{ "bbox": [ -74.05, 40.55, -73.7, 40.92 ], "center": [ -73.95, 40.72 ], "country": "United States", "defaultZoom": 10, "homeCurrency": "USD", "id": "nyc", "lines": [ { "cityId": "nyc", "color": "#EE352E", "displayNumber": "IRT Broadway–Seventh Avenue Line", "id": "nyc-line-irt-broadway-seventh-avenue-line", "name": { "en": "IRT Broadway–Seventh Avenue Line" }, "phases": [ { "confidence": "medium", "constructionStart": "1900", "geometryRef": "nyc-IRT Broadway–Seventh Avenue Line", "id": "nyc-irt-broadway-seventh-avenue-line-19041027-0", "kind": "initial", "label": { "en": "Original IRT subway opens: City Hall → 145th Street (West Side Branch, Contract 1)" }, "notes": "[Date chase 2026-06-12] Walker, Fifty Years of Rapid Transit (1918), archive.org: 'On March 24, 1900, ground was broken in front of the City Hall for the new subway' — primary-source corroboration of the 1900 construction start (Degnon-McLean Company first to begin work, March 24, 1900).", "opened": "1904-10-27", "segment": { "fromStopIndex": 11, "toStopIndex": 24 }, "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260611123903/https://en.wikipedia.org/wiki/IRT_Broadway%E2%80%93Seventh_Avenue_Line", "kind": "wikipedia", "quote": "Operation of the first subway began on October 27, 1904, with the opening of all stations from City Hall to 145th Street on the West Side Branch.", "tier": "tertiary", "title": "IRT Broadway–Seventh Avenue Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IRT_Broadway%E2%80%93Seventh_Avenue_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260427172840/https://en.wikipedia.org/wiki/Early_history_of_the_IRT_subway", "kind": "wikipedia", "quote": "$35 million would be provided for the total cost of the line ... The city government started construction on the first IRT subway in 1900 ... A formal groundbreaking ceremony was done City Hall on March 24.", "tier": "tertiary", "title": "Early history of the IRT subway — Wikipedia", "url": "https://en.wikipedia.org/wiki/Early_history_of_the_IRT_subway" }, { "accessedAt": "2026-06-12", "kind": "primary", "publisher": "Law Printing Company", "quote": "On March 24, 1900, ground was broken in front of the City Hall for the new subway, although actual construction lagged for several months while the Rapid Transit Commission was recruiting its engineering staff and the contractor was planning his work. … The Degnon-McLean Company, which had the two contracts extending from City Hall to Great Jones and Centre streets, was the first to begin work, which was started on March 24, 1900.", "tier": "primary", "title": "Fifty Years of Rapid Transit, 1864–1917 — James Blaine Walker (1918)", "url": "https://archive.org/details/fiftyyearsrapid01walkgoog", "via": "https://en.wikipedia.org/wiki/Early_history_of_the_IRT_subway" } ] }, { "confidence": "low", "geometryRef": "nyc-IRT Broadway–Seventh Avenue Line", "id": "nyc-irt-broadway-seventh-avenue-line-19041112-1", "kind": "extension", "label": { "en": "Extension: 145th Street → 157th Street" }, "notes": "Service ran to 157th St for a football game on 12 Nov 1904 before the station fully opened; the 157th Street station officially opened 4 December 1904. Using the 12 Nov initial-service date. [Opening-date chase 2026-06-13] Partial-then-full: 157th Street saw special-event/partial service Nov 12, 1904 (football game) before full station opening; one source dates the official station opening to Dec 4, 1904. Curated Nov 12 reflects start of service to the terminus.", "opened": "1904-11-12", "segment": { "fromStopIndex": 10, "toStopIndex": 11 }, "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260427172840/https://en.wikipedia.org/wiki/Early_history_of_the_IRT_subway", "kind": "wikipedia", "quote": "Service was extended to 157th Street for a football game on November 12, 1904, before the station had fully opened. The 157th Street station officially opened on December 4.", "tier": "tertiary", "title": "Early history of the IRT subway — Wikipedia", "url": "https://en.wikipedia.org/wiki/Early_history_of_the_IRT_subway" } ], "stationCount": 1 }, { "confidence": "low", "geometryRef": "nyc-IRT Broadway–Seventh Avenue Line", "id": "nyc-irt-broadway-seventh-avenue-line-19060312-2", "kind": "extension", "label": { "en": "Extension: 157th Street → 221st Street (temporary terminus)" }, "notes": "Operated as a shuttle between 157th and 221st Streets; initially only Dyckman Street, 215th Street and 221st Street stations opened on this date, with intermediate stations (168th St 14 Apr 1906, 181st St 30 May 1906, 191st St 1911) following later.", "opened": "1906-03-12", "segment": { "fromStopIndex": 3, "toStopIndex": 10 }, "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260427172840/https://en.wikipedia.org/wiki/Early_history_of_the_IRT_subway", "kind": "wikipedia", "quote": "The West Side Branch was extended northward to a temporary terminus of 221st Street and Broadway on March 12, 1906.", "tier": "tertiary", "title": "Early history of the IRT subway — Wikipedia", "url": "https://en.wikipedia.org/wiki/Early_history_of_the_IRT_subway" } ] }, { "confidence": "low", "geometryRef": "nyc-IRT Broadway–Seventh Avenue Line", "id": "nyc-irt-broadway-seventh-avenue-line-19070127-3", "kind": "extension", "label": { "en": "Extension: 221st Street → 230th Street (temporary terminus, via Broadway Bridge over Harlem Ship Canal)" }, "notes": "Trains crossed the Harlem Ship Canal via the Broadway Bridge from 14 Jan 1907 to 225th Street; the 221st Street station closed. Service reached the temporary 230th Street terminus on 27 Jan 1907.", "opened": "1907-01-27", "segment": { "fromStopIndex": 2, "toStopIndex": 3 }, "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260427172840/https://en.wikipedia.org/wiki/Early_history_of_the_IRT_subway", "kind": "wikipedia", "quote": "Service was extended to the temporary terminus at 230th Street on January 27, 1907.", "tier": "tertiary", "title": "Early history of the IRT subway — Wikipedia", "url": "https://en.wikipedia.org/wiki/Early_history_of_the_IRT_subway" } ] }, { "confidence": "medium", "geometryRef": "nyc-IRT Broadway–Seventh Avenue Line", "id": "nyc-irt-broadway-seventh-avenue-line-19080801-4", "kind": "extension", "label": { "en": "Extension: 230th Street → 242nd Street–Van Cortlandt Park (final Contract 1 northern terminus)" }, "notes": "Completed the West Side Branch northern extension to its permanent terminus at 242nd Street/Van Cortlandt Park.", "opened": "1908-08-01", "segment": { "fromStopIndex": 0, "toStopIndex": 2 }, "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260427172840/https://en.wikipedia.org/wiki/Early_history_of_the_IRT_subway", "kind": "wikipedia", "quote": "This extension opened on August 1, 1908.", "tier": "tertiary", "title": "Early history of the IRT subway — Wikipedia", "url": "https://en.wikipedia.org/wiki/Early_history_of_the_IRT_subway" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20251031060317/https://www.nytimes.com/1908/08/02/archives/our-first-subway-completed-at-last-opening-of-the-van-cortlandt.html", "kind": "news", "publisher": "The New York Times", "quote": "[Dateline August 2, 1908, reporting on the opening of the Van Cortlandt extension the previous day — paywalled but title confirms August 1 opening]", "tier": "secondary", "title": "Our First Subway Completed At Last — Opening of the Van Cortlandt Extension Finishes System Begun in 1900", "url": "https://www.nytimes.com/1908/08/02/archives/our-first-subway-completed-at-last-opening-of-the-van-cortlandt.html", "via": "https://en.wikipedia.org/wiki/Early_history_of_the_IRT_subway" } ] }, { "confidence": "low", "cost": { "basis": "estimate", "confidence": "medium", "nominal": { "currency": "USD", "isEstimate": true, "value": 14793419, "year": 1917 }, "notes": "Estimated cost ($14,793,419) for the ENTIRE Seventh Avenue extension south of Times Square (eight sections), not the 1917 shuttle stub alone; this segment opened in stages 1917–1918. Equivalent to ~$437.7M in 2025 per Wikipedia. [Citation chase 2026-06-11] Figure is a contemporary estimate sourced to Engineering News-record, Vol. 75 (1916); the underlying primary source (Google Books) is paywalled and the IRT 1916–1917 annual report (HathiTrust) is access-blocked, so the value rests on Wikipedia's secondary citation alone. Note the dollar vintage is 1916 (estimate year), not 1917.", "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260611123903/https://en.wikipedia.org/wiki/IRT_Broadway%E2%80%93Seventh_Avenue_Line", "kind": "wikipedia", "quote": "On June 3, 1917, the first portion of the Broadway–Seventh Avenue Line south of Times Square–42nd Street, a shuttle to 34th Street–Penn Station, opened; a separate shuttle service, running between 42nd and 34th Streets, was created.", "tier": "tertiary", "title": "IRT Broadway–Seventh Avenue Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IRT_Broadway%E2%80%93Seventh_Avenue_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260611123903/https://en.wikipedia.org/wiki/IRT_Broadway%E2%80%93Seventh_Avenue_Line", "kind": "wikipedia", "quote": "The entire line, consisting of eight sections, was expected to cost $14,793,419 (equivalent to $437,695,195 in 2025).", "tier": "tertiary", "title": "IRT Broadway–Seventh Avenue Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IRT_Broadway%E2%80%93Seventh_Avenue_Line" } ] }, "geometryRef": "nyc-IRT Broadway–Seventh Avenue Line", "id": "nyc-irt-broadway-seventh-avenue-line-19170603-5", "kind": "extension", "label": { "en": "Seventh Avenue subway opens south of Times Square: Times Square–42nd St → 34th St–Penn Station (shuttle, Dual Contracts)" }, "notes": "[Opening-date chase 2026-06-13] Opened as a shuttle (42nd–34th St) with only the northern part of the 34th St platform in service; June 3, 1917 is the revenue-service date.", "opened": "1917-06-03", "segment": { "fromStopIndex": 24, "toStopIndex": 25 }, "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260611123903/https://en.wikipedia.org/wiki/IRT_Broadway%E2%80%93Seventh_Avenue_Line", "kind": "wikipedia", "quote": "On June 3, 1917, the first portion of the Broadway–Seventh Avenue Line south of Times Square–42nd Street, a shuttle to 34th Street–Penn Station, opened; a separate shuttle service, running between 42nd and 34th Streets, was created.", "tier": "tertiary", "title": "IRT Broadway–Seventh Avenue Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IRT_Broadway%E2%80%93Seventh_Avenue_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260611123903/https://en.wikipedia.org/wiki/IRT_Broadway%E2%80%93Seventh_Avenue_Line", "kind": "wikipedia", "quote": "The entire line, consisting of eight sections, was expected to cost $14,793,419 (equivalent to $437,695,195 in 2025).", "tier": "tertiary", "title": "IRT Broadway–Seventh Avenue Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IRT_Broadway%E2%80%93Seventh_Avenue_Line" } ], "stationCount": 1 }, { "confidence": "low", "geometryRef": "nyc-IRT Broadway–Seventh Avenue Line", "id": "nyc-irt-broadway-seventh-avenue-line-19180701-6", "kind": "extension", "label": { "en": "Extension: 34th St–Penn Station → South Ferry, with Brooklyn branch shuttle (Chambers St – Wall St)" }, "notes": "The Times Square shuttle was extended south to South Ferry, and a shorter shuttle began on the Brooklyn branch between Chambers Street and Wall Street. Announced by the Public Service Commission on 27 June 1918.", "opened": "1918-07-01", "segment": { "fromStopIndex": 25, "toStopIndex": 37 }, "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260611123903/https://en.wikipedia.org/wiki/IRT_Broadway%E2%80%93Seventh_Avenue_Line", "kind": "wikipedia", "quote": "On June 27, 1918, the Public Service Commission (PSC) announced that on July 1, the shuttle would be extended south to South Ferry, with a shorter shuttle on the Brooklyn branch between Chambers Street and Wall Street, on July 1, 1918.", "tier": "tertiary", "title": "IRT Broadway–Seventh Avenue Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IRT_Broadway%E2%80%93Seventh_Avenue_Line" } ] }, { "confidence": "low", "geometryRef": null, "id": "nyc-irt-broadway-seventh-avenue-line-19180801-7", "kind": "renumber", "label": { "en": "\"H\" system implemented: two halves of the Broadway–Seventh Avenue Line joined at Times Square" }, "notes": "Reconfiguration (not a new track segment) joining the northern West Side Branch and the southern Seventh Avenue line through Times Square, routing all West Side trains south; effectively doubled IRT capacity. Recorded as a service/route reorganization phase.", "opened": "1918-08-01", "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260611123903/https://en.wikipedia.org/wiki/IRT_Broadway%E2%80%93Seventh_Avenue_Line", "kind": "wikipedia", "quote": "The new 'H' system was implemented on August 1, 1918, joining the two halves of the Broadway–Seventh Avenue Line and sending all West Side trains south from Times Square.", "tier": "tertiary", "title": "IRT Broadway–Seventh Avenue Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IRT_Broadway%E2%80%93Seventh_Avenue_Line" } ] }, { "confidence": "medium", "constructionStart": "1914", "cost": { "basis": "budget", "confidence": "high", "nominal": { "currency": "USD", "isEstimate": false, "value": 6470000, "year": 1914 }, "notes": "$6.47M contract awarded July 1914 to Booth & Flinn Ltd. and O'Rourke Engineering Construction Company for the Clark Street Tunnel between Old Slip (Manhattan) and Clark Street (Brooklyn); construction began 12 October 1914. [Citation chase 2026-06-11] The exact contract figure was $6,469,916.25 (NYT, July 17, 1914), representing a nominal 1914-dollar contract award rather than a final out-turn cost; a separate $5,974,809.50 BRT East River tunnel contract (Whitehall St to Montague St) was awarded to the same contractors in the same article and should not be conflated with this figure.", "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260611123903/https://en.wikipedia.org/wiki/IRT_Broadway%E2%80%93Seventh_Avenue_Line", "kind": "wikipedia", "quote": "The local tracks ran to South Ferry, while the express tracks used the Brooklyn branch to Wall Street, extended to Atlantic Avenue in Brooklyn via the Clark Street Tunnel on April 15, 1919.", "tier": "tertiary", "title": "IRT Broadway–Seventh Avenue Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IRT_Broadway%E2%80%93Seventh_Avenue_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260611123903/https://en.wikipedia.org/wiki/IRT_Broadway%E2%80%93Seventh_Avenue_Line", "kind": "wikipedia", "quote": "Booth & Flinn Ltd. and the O'Rourke Engineering Construction Company received a $6.47 million contract in July 1914 to build a tunnel between Old Slip in Manhattan and Clark Street in Brooklyn. Construction of the tunnel began on October 12, 1914", "tier": "tertiary", "title": "IRT Broadway–Seventh Avenue Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IRT_Broadway%E2%80%93Seventh_Avenue_Line" }, { "accessedAt": "2026-06-11", "archivedUrl": "https://web.archive.org/web/20251102113918/https://www.nytimes.com/1914/07/17/archives/21000000-for-subways-contracts-signed-for-east-river-tunnels-and.html", "kind": "news", "publisher": "The New York Times", "quote": "Interborough East River tunnel from Old Slip to Clark Street, Brooklyn, to the same two contractors, $6,469,916.25.", "tier": "primary", "title": "$21,000,000 for Subways; Contracts Signed for East River Tunnels and Other Work.", "url": "https://www.nytimes.com/1914/07/17/archives/21000000-for-subways-contracts-signed-for-east-river-tunnels-and.html", "via": "https://en.wikipedia.org/wiki/IRT_Broadway%E2%80%93Seventh_Avenue_Line" } ] }, "geometryRef": null, "id": "nyc-irt-broadway-seventh-avenue-line-19190415-8", "kind": "extension", "label": { "en": "Clark Street Tunnel opens: Wall Street → Atlantic Avenue, Brooklyn (express tracks under East River)" }, "notes": "[Date chase 2026-06-12] Clark Street Tunnel construction began Oct 12, 1914 (NYT 'Work Begins on New Tubes Under River,' Oct 11, 1914); the $6.47M Booth & Flinn / O'Rourke contract was signed July 1914 (NYT 'Contracts Signed for East River Tunnels,' July 17, 1914). Both NYT sources are paywalled but corroborate the 1914 start.", "opened": "1919-04-15", "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260611123903/https://en.wikipedia.org/wiki/IRT_Broadway%E2%80%93Seventh_Avenue_Line", "kind": "wikipedia", "quote": "The local tracks ran to South Ferry, while the express tracks used the Brooklyn branch to Wall Street, extended to Atlantic Avenue in Brooklyn via the Clark Street Tunnel on April 15, 1919.", "tier": "tertiary", "title": "IRT Broadway–Seventh Avenue Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IRT_Broadway%E2%80%93Seventh_Avenue_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260611123903/https://en.wikipedia.org/wiki/IRT_Broadway%E2%80%93Seventh_Avenue_Line", "kind": "wikipedia", "quote": "Booth & Flinn Ltd. and the O'Rourke Engineering Construction Company received a $6.47 million contract in July 1914 to build a tunnel between Old Slip in Manhattan and Clark Street in Brooklyn. Construction of the tunnel began on October 12, 1914", "tier": "tertiary", "title": "IRT Broadway–Seventh Avenue Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IRT_Broadway%E2%80%93Seventh_Avenue_Line" }, { "accessedAt": "2026-06-12", "archivedUrl": "https://web.archive.org/web/20251006002111/https://www.nytimes.com/1914/10/11/archives/work-begins-on-new-tubes-under-river-engineer-tells-how-subway.html", "kind": "news", "publisher": "The New York Times", "quote": "Work Begins on New Tubes Under River — Engineer Tells How Subway Tunnels Will Be Cut Through to Brooklyn — Will Burrow in Shield — Steel Ring Pushed Forward Under Hydraulic Pressure of 6,000,000 Pounds [article dated October 11, 1914; Wikipedia states construction began October 12, 1914 citing this article]", "tier": "primary", "title": "Work Begins on New Tubes Under River — Engineer Tells How Subway Tunnels Will Be Cut Through to Brooklyn", "url": "https://www.nytimes.com/1914/10/11/archives/work-begins-on-new-tubes-under-river-engineer-tells-how-subway.html", "via": "https://en.wikipedia.org/wiki/IRT_Broadway%E2%80%93Seventh_Avenue_Line" }, { "accessedAt": "2026-06-12", "archivedUrl": "https://web.archive.org/web/20251102113918/https://www.nytimes.com/1914/07/17/archives/21000000-for-subways-contracts-signed-for-east-river-tunnels-and.html", "kind": "news", "publisher": "The New York Times", "quote": "[Title confirms contracts signed July 1914; full article text paywalled but title corroborates the Wikipedia statement that Booth & Flinn received a $6.47 million contract in July 1914]", "tier": "primary", "title": "$21,000,000 for Subways; Contracts Signed for East River Tunnels and Other Work", "url": "https://www.nytimes.com/1914/07/17/archives/21000000-for-subways-contracts-signed-for-east-river-tunnels-and.html", "via": "https://en.wikipedia.org/wiki/IRT_Broadway%E2%80%93Seventh_Avenue_Line" } ] }, { "confidence": "medium", "geometryRef": null, "id": "nyc-irt-broadway-seventh-avenue-line-20090316-9", "kind": "extension", "label": { "en": "New South Ferry terminal station opens (replaces original balloon-loop terminal)" }, "notes": "New two-track South Ferry terminal replaced the original five-car balloon-loop station. (The new station was flooded by Hurricane Sandy in Oct 2012 and the original loop was temporarily reactivated; the rebuilt new station reopened in 2017.)", "opened": "2009-03-16", "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260611123903/https://en.wikipedia.org/wiki/IRT_Broadway%E2%80%93Seventh_Avenue_Line", "kind": "wikipedia", "quote": "On March 16, 2009, the new South Ferry station opened", "tier": "tertiary", "title": "IRT Broadway–Seventh Avenue Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IRT_Broadway%E2%80%93Seventh_Avenue_Line" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20230321060108/https://www.mta.info/press-release/mta-headquarters/mta-opens-new-south-ferry-subway-terminal", "kind": "primary", "publisher": "Metropolitan Transportation Authority", "quote": "[MTA press release dated March 16, 2009, archived at https://web.archive.org/web/20151223111621/http://www.mta.info/press-release/mta-headquarters/mta-opens-new-south-ferry-subway-terminal — live URL is dead; WebFetch of archive copy was blocked]", "tier": "primary", "title": "MTA Opens New South Ferry Subway Terminal", "url": "http://www.mta.info/press-release/mta-headquarters/mta-opens-new-south-ferry-subway-terminal", "via": "https://en.wikipedia.org/wiki/IRT_Broadway%E2%80%93Seventh_Avenue_Line" } ], "stationCount": 1 } ], "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260611123903/https://en.wikipedia.org/wiki/IRT_Broadway%E2%80%93Seventh_Avenue_Line", "kind": "wikipedia", "quote": "Operation of the first subway began on October 27, 1904, with the opening of all stations from City Hall to 145th Street on the West Side Branch.", "tier": "tertiary", "title": "IRT Broadway–Seventh Avenue Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IRT_Broadway%E2%80%93Seventh_Avenue_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260427172840/https://en.wikipedia.org/wiki/Early_history_of_the_IRT_subway", "kind": "wikipedia", "quote": "$35 million would be provided for the total cost of the line ... The city government started construction on the first IRT subway in 1900 ... A formal groundbreaking ceremony was done City Hall on March 24.", "tier": "tertiary", "title": "Early history of the IRT subway — Wikipedia", "url": "https://en.wikipedia.org/wiki/Early_history_of_the_IRT_subway" } ] }, { "cityId": "nyc", "color": "#00933C", "displayNumber": "IRT Lexington Avenue Line", "id": "nyc-line-irt-lexington-avenue-line", "name": { "en": "IRT Lexington Avenue Line" }, "phases": [ { "confidence": "high", "constructionStart": "1900", "cost": { "basis": "budget", "confidence": "high", "nominal": { "currency": "USD", "isEstimate": false, "value": 35000000, "year": 1900 }, "notes": "Contract figure for the ENTIRE original IRT subway (the H/main line including the West Side and Lenox/Broadway branches), NOT this segment alone. Brooklyn Bridge–City Hall, Worth St (closed), Spring St, Bleecker St, Astor Place, 14th St–Union Sq, 18th St (closed), 23rd St, 28th St, 33rd St, Grand Central–42nd St opened this date; ~8 of these survive on the present Lexington line south of 42nd St. [Citation chase 2026-06-11] The $35,000,000 is the fixed lump-sum price of Contract 1 (awarded Feb 21, 1900), confirmed by the Board of Rapid Transit Railroad Commissioners 1904 annual report (primary) and Walker, Fifty Years of Rapid Transit, 1918 (McDonald's $35M bid vs Onderdonk's $39.3M). Equipment — rolling stock, signals, and power plant — was furnished separately by the contractor at its own expense and was not included in this $35M.", "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260116100433/https://en.wikipedia.org/wiki/IRT_Lexington_Avenue_Line", "kind": "wikipedia", "quote": "The part of the line from City Hall to just south of 42nd Street was part of the original IRT line, opened on October 27, 1904.", "tier": "tertiary", "title": "IRT Lexington Avenue Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IRT_Lexington_Avenue_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260427172840/https://en.wikipedia.org/wiki/Early_history_of_the_IRT_subway", "kind": "wikipedia", "quote": "$35 million would be provided for the total cost of the line, and the Rapid Transit Construction Company would provide the cost of necessary equipment, including signals, rolling stock, and power plants.", "tier": "tertiary", "title": "Early history of the IRT subway — Wikipedia", "url": "https://en.wikipedia.org/wiki/Early_history_of_the_IRT_subway" }, { "accessedAt": "2026-06-11", "kind": "other", "publisher": "Law Printing, New York, N.Y.", "quote": "Mr. McDonald offered to build the whole road for $35,000,000; Onderdonk for $39,300,000. ... While the city agreed to pay McDonald $35,000,000 for the work, it was obligated also to purchase the real estate required for terminals and stations.", "tier": "secondary", "title": "Fifty Years of Rapid Transit — 1864 to 1917", "url": "https://archive.org/details/fiftyyearsrapid00walkgoog", "via": "https://en.wikipedia.org/wiki/Early_history_of_the_IRT_subway" }, { "accessedAt": "2026-06-11", "kind": "primary", "publisher": "Board of Rapid Transit Railroad Commissioners", "quote": "The price was a fixed lump sum of $35,000,000, to cover the total cost of the railway complete, ready for operation. In addition to this lump sum, interest during construction was to be funded, and added to the contract price, to give the total amount on which the lessee company is to pay interest as rental.", "tier": "primary", "title": "Report of the Board of Rapid Transit Railroad Commissioners for the City of New York For The Year Ending December 31, 1904 Accompanied By Reports of the Chief Engineer and of the Auditor", "url": "https://archive.org/details/cu31924022794253/page/n253/mode/2up", "via": "https://en.wikipedia.org/wiki/Early_history_of_the_IRT_subway" } ] }, "geometryRef": "nyc-IRT Lexington Avenue Line", "id": "nyc-irt-lexington-avenue-line-19041027-0", "kind": "initial", "label": { "en": "Original IRT opens: City Hall → south of 42nd Street (east-side trunk later forming the Lexington Avenue Line south leg)" }, "notes": "[Date chase 2026-06-12] Construction on the original IRT (Contract 1) began in 1900: contract executed February 21, 1900; formal groundbreaking at City Hall and start of Section 1 work both March 24, 1900; confirmed by a March 25, 1900 NYT report of the official groundbreaking. The NYT timesmachine primary source is paywalled and the 1904 Board of Rapid Transit Railroad Commissioners report rendered catalog-only, but both corroborate 1900 via their cited titles/metadata. [Opening-date chase 2026-06-13] Mayor McClellan ran the first official train Oct 27, 1904, but ~150,000 of the public also rode that same day (NYT, Oct 28, 1904) — ceremonial and revenue/public opening were the same date.", "opened": "1904-10-27", "segment": { "fromStopIndex": 10, "toStopIndex": 19 }, "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260116100433/https://en.wikipedia.org/wiki/IRT_Lexington_Avenue_Line", "kind": "wikipedia", "quote": "The part of the line from City Hall to just south of 42nd Street was part of the original IRT line, opened on October 27, 1904.", "tier": "tertiary", "title": "IRT Lexington Avenue Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IRT_Lexington_Avenue_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260427172840/https://en.wikipedia.org/wiki/Early_history_of_the_IRT_subway", "kind": "wikipedia", "quote": "$35 million would be provided for the total cost of the line, and the Rapid Transit Construction Company would provide the cost of necessary equipment, including signals, rolling stock, and power plants.", "tier": "tertiary", "title": "Early history of the IRT subway — Wikipedia", "url": "https://en.wikipedia.org/wiki/Early_history_of_the_IRT_subway" }, { "accessedAt": "2026-06-12", "archivedUrl": "https://web.archive.org/web/20221027030208/https://timesmachine.nytimes.com/timesmachine/1900/03/25/102581493.pdf", "kind": "news", "publisher": "The New York Times", "quote": "Rapid Transit Tunnel Begun — Ground Officially Broken by the Mayor with a Silver Spade (dated March 25, 1900)", "tier": "primary", "title": "Rapid Transit Tunnel Begun — Ground Officially Broken by the Mayor with a Silver Spade — Felicitations and Speeches — Ceremonies Witnessed by Immense Unruly Crowd Eager for Souvenirs.", "url": "https://timesmachine.nytimes.com/timesmachine/1900/03/25/102581493.pdf", "via": "https://en.wikipedia.org/wiki/IRT_Lexington_Avenue_Line" }, { "accessedAt": "2026-06-12", "kind": "primary", "publisher": "Board of Rapid Transit Railroad Commissioners", "quote": "Contract 1 executed February 21, 1900; groundbreaking March 24, 1900 (as cited via Wikipedia's Early history of the IRT subway article; full text not directly verified due to catalog-only page rendering at archive.org)", "tier": "primary", "title": "Report of the Board of Rapid Transit Railroad Commissioners for the City of New York For The Year Ending December 31, 1904", "url": "https://archive.org/details/cu31924022794253/page/n253/mode/2up", "via": "https://en.wikipedia.org/wiki/Early_history_of_the_IRT_subway" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20180202102236/https://query.nytimes.com/gst/abstract.html?res=9E06EFD71230EE32A2575BC2A9669D946597D6CF&legacy=true", "kind": "news", "publisher": "The New York Times", "quote": "Our Subway Open, 150,000 Try It — Mayor McClellan Runs the First Official Train — Big Crowds Ride At Night — Average of 25,000 an Hour from 7 P.M. Till Past Midnight (dated October 28, 1904, reporting on October 27, 1904 opening)", "tier": "secondary", "title": "Our Subway Open, 150,000 Try It — Mayor McClellan Runs the First Official Train — Big Crowds Ride At Night — Average of 25,000 an Hour from 7 P.M. Till Past Midnight — Exercises in the City Hall", "url": "https://query.nytimes.com/gst/abstract.html?res=9E06EFD71230EE32A2575BC2A9669D946597D6CF&legacy=true", "via": "https://en.wikipedia.org/wiki/IRT_Lexington_Avenue_Line" } ], "stationCount": 8 }, { "confidence": "medium", "geometryRef": null, "id": "nyc-irt-lexington-avenue-line-19050116-1", "kind": "extension", "label": { "en": "Southern extension: Brooklyn Bridge → Fulton Street" }, "notes": "[Opening-date chase 2026-06-13] Partial opening: only the northbound platform at Fulton Street opened Jan 16, 1905; the southbound platform followed on June 12, 1905.", "opened": "1905-01-16", "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260116100433/https://en.wikipedia.org/wiki/IRT_Lexington_Avenue_Line", "kind": "wikipedia", "quote": "A 0.3 miles (0.48 km) extension to Fulton Street opened at 12:01 a.m. on January 16, 1905.", "tier": "tertiary", "title": "IRT Lexington Avenue Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IRT_Lexington_Avenue_Line" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20221027030224/https://timesmachine.nytimes.com/timesmachine/1905/01/14/101318642.pdf", "kind": "news", "publisher": "The New York Times", "quote": "Fulton St. Trains Monday (article dated January 14, 1905, previewing the Monday January 16, 1905 opening)", "tier": "secondary", "title": "Fulton St. Trains Monday — New Style of Subway Platform Will Be Tried There", "url": "https://timesmachine.nytimes.com/timesmachine/1905/01/14/101318642.pdf", "via": "https://en.wikipedia.org/wiki/IRT_Lexington_Avenue_Line" } ], "stationCount": 1 }, { "confidence": "medium", "geometryRef": null, "id": "nyc-irt-lexington-avenue-line-19050612-2", "kind": "extension", "label": { "en": "Southern extension: Fulton Street → Wall Street" }, "notes": "[Opening-date chase 2026-06-13] June 12, 1905 opened Wall Street station plus the previously-missing southbound platform at Fulton Street.", "opened": "1905-06-12", "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260116100433/https://en.wikipedia.org/wiki/IRT_Lexington_Avenue_Line", "kind": "wikipedia", "quote": "The next station, Wall Street, was opened on June 12, 1905, as well as the southbound platform at Fulton Street.", "tier": "tertiary", "title": "IRT Lexington Avenue Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IRT_Lexington_Avenue_Line" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20241212160150/https://www.nytimes.com/1905/06/13/archives/subway-trains-run-again-this-morning-through-service-promised-for.html", "kind": "news", "publisher": "The New York Times", "quote": "Subway Trains Run Again This Morning (article dated June 13, 1905, covering Wall Street station opening on June 12, 1905)", "tier": "secondary", "title": "Subway Trains Run Again This Morning — Through Service Promised for the Rush-Hour Crowds — Tunnel Pumped Out At Last", "url": "https://www.nytimes.com/1905/06/13/archives/subway-trains-run-again-this-morning-through-service-promised-for.html", "via": "https://en.wikipedia.org/wiki/Early_history_of_the_IRT_subway" } ], "stationCount": 1 }, { "confidence": "medium", "geometryRef": null, "id": "nyc-irt-lexington-avenue-line-19050710-3", "kind": "extension", "label": { "en": "Southern extension: Wall Street → Bowling Green / South Ferry" }, "notes": "Date conflict: the Lexington Avenue Line article states the first revenue train left South Ferry at 11:59 p.m. on July 9, 1905; the Early-history IRT article and Bowling Green station article give July 10, 1905. Both reflect the same late-night opening; using the widely-cited July 10 1905 date. Added Bowling Green and the South Ferry loop terminal. [Opening-date chase 2026-06-13] First revenue train left South Ferry at 11:59 p.m. on July 9, but service formally opened at midnight; NYT (July 10, 1905) confirms 'Open at Midnight' — curated July 10, 1905 is correct.", "opened": "1905-07-10", "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260427172840/https://en.wikipedia.org/wiki/Early_history_of_the_IRT_subway", "kind": "wikipedia", "quote": "and to Bowling Green and South Ferry on July 10, 1905", "tier": "tertiary", "title": "Early history of the IRT subway — Wikipedia", "url": "https://en.wikipedia.org/wiki/Early_history_of_the_IRT_subway" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260116100433/https://en.wikipedia.org/wiki/IRT_Lexington_Avenue_Line", "kind": "wikipedia", "quote": "The first revenue train on the South Ferry extension left South Ferry at 11:59 p.m. on July 9, 1905.", "tier": "tertiary", "title": "IRT Lexington Avenue Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IRT_Lexington_Avenue_Line" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20231011191921/https://www.nytimes.com/1905/07/10/archives/subway-trains-running-from-bronx-to-battery-west-farms-and-south.html", "kind": "news", "publisher": "The New York Times", "quote": "West Farms and South Ferry Stations Open at Midnight — Start Without a Hitch — Bowling Green Station Also Opened (article dated July 10, 1905)", "tier": "secondary", "title": "Subway Trains Running From Bronx to Battery — West Farms and South Ferry Stations Open at Midnight — Start Without a Hitch — Bowling Green Station Also Opened — Lenox Avenue Locals Take City Hall Loop Hereafter", "url": "https://www.nytimes.com/1905/07/10/archives/subway-trains-running-from-bronx-to-battery-west-farms-and-south.html", "via": "https://en.wikipedia.org/wiki/Early_history_of_the_IRT_subway" } ], "stationCount": 2 }, { "confidence": "medium", "geometryRef": null, "id": "nyc-irt-lexington-avenue-line-19080109-4", "kind": "extension", "label": { "en": "Joralemon Street Tunnel extension: Bowling Green → Borough Hall (Brooklyn)" }, "notes": "First underwater subway tunnel connecting Manhattan and Brooklyn. Borough Hall and the Brooklyn segment beyond are today operated as part of the IRT Eastern Parkway Line, but were the original IRT's first Brooklyn extension off this east-side trunk. [Opening-date chase 2026-06-13] Joralemon Street Tunnel (first underwater Manhattan-Brooklyn subway tunnel) carried its first regular passenger train ~12:45 a.m. Jan 9, 1908 — revenue service, with the formal Gov. Hughes celebration following later that day.", "opened": "1908-01-09", "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260427172840/https://en.wikipedia.org/wiki/Early_history_of_the_IRT_subway", "kind": "wikipedia", "quote": "the Joralemon Street Tunnel, which was the first underwater subway tunnel connecting Manhattan and Brooklyn, and it opened on January 9, 1908, extending the subway from Bowling Green to Borough Hall.", "tier": "tertiary", "title": "Early history of the IRT subway — Wikipedia", "url": "https://en.wikipedia.org/wiki/Early_history_of_the_IRT_subway" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260116100433/https://en.wikipedia.org/wiki/IRT_Lexington_Avenue_Line", "kind": "wikipedia", "quote": "The first train ran through the Joralemon Street Tunnel to Brooklyn about 12:45 a.m. on January 9, 1908.", "tier": "tertiary", "title": "IRT Lexington Avenue Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IRT_Lexington_Avenue_Line" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20230519161407/https://www.nytimes.com/1908/01/09/archives/subway-to-brooklyn-opened-for-traffic-first-regular-passenger-train.html", "kind": "news", "publisher": "The New York Times", "quote": "Subway to Brooklyn Opened for Traffic — First Regular Passenger Train Went Under the East River Early This Morning (article dated January 9, 1908; first train at about 12:45 a.m.)", "tier": "secondary", "title": "Subway to Brooklyn Opened for Traffic — First Regular Passenger Train Went Under the East River Early This Morning — Not a Hitch in the Service — Gov. Hughes and Brooklyn Officials to Join in a Formal Celebration of Event To-day", "url": "https://www.nytimes.com/1908/01/09/archives/subway-to-brooklyn-opened-for-traffic-first-regular-passenger-train.html", "via": "https://en.wikipedia.org/wiki/Early_history_of_the_IRT_subway" } ], "stationCount": 1 }, { "confidence": "high", "cost": { "basis": "outturn", "confidence": "medium", "nominal": { "currency": "USD", "isEstimate": false, "value": 58000000, "year": 1918 }, "notes": "Cost of the Lexington Avenue extension north from Grand Central, built under the Dual Contracts. Eleven new stations: 51st St, 59th St, 68th St–Hunter College, 77th St, 86th St, 96th St, 103rd St, 110th St, 116th St, 125th St (express), plus the new diagonal Grand Central express station. [Citation chase 2026-06-11] Figure rests on a single secondary source (Wikipedia); its underlying citation, the NYT July 11, 1918 article (p.20), is paywalled and the accessible excerpt confirms the line's opening/scope but does not itself surface the $58M figure, so the number is uncorroborated by an independent or primary source.", "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260116100433/https://en.wikipedia.org/wiki/IRT_Lexington_Avenue_Line", "kind": "wikipedia", "quote": "The cost of the extension from Grand Central was $58 million.", "tier": "tertiary", "title": "IRT Lexington Avenue Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IRT_Lexington_Avenue_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260116100433/https://en.wikipedia.org/wiki/IRT_Lexington_Avenue_Line", "kind": "wikipedia", "quote": "The segment north of Grand Central opened on July 17, 1918, adding eleven new stations in Manhattan: 51st Street, 59th Street, 68th Street–Hunter College, 77th Street, 86th Street, 96th Street, 103rd Street, 110th Street–Central Park North, 116th Street, and 125th Street.", "tier": "tertiary", "title": "IRT Lexington Avenue Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IRT_Lexington_Avenue_Line" } ] }, "geometryRef": "nyc-IRT Lexington Avenue Line", "id": "nyc-irt-lexington-avenue-line-19180717-5", "kind": "extension", "label": { "en": "Dual Contracts northern extension opens: Grand Central–42nd Street → 125th Street (the Lexington Avenue Line proper)" }, "notes": "Opened July 17, 1918 but ran only as a shuttle on the local tracks (42nd St to 167th St on the Jerome Ave Line) until the evening of August 1, 1918, when the 'H system' reorganization made the Lexington Avenue Line a through route and split off the 42nd Street Shuttle. North of 125th St the line crosses the Harlem River into the Bronx, splitting into the IRT Jerome Avenue Line and IRT Pelham Line. [Opening-date chase 2026-06-13] July 17, 1918 was a genuine revenue opening of the Grand Central-to-125th Street segment, but it initially ran as a local-track shuttle (terminating at 42nd St and at 167th St on the Jerome Avenue Line) until the H-system through-routing on Aug 1, 1918.", "opened": "1918-07-17", "segment": { "fromStopIndex": 0, "toStopIndex": 10 }, "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260116100433/https://en.wikipedia.org/wiki/IRT_Lexington_Avenue_Line", "kind": "wikipedia", "quote": "The cost of the extension from Grand Central was $58 million.", "tier": "tertiary", "title": "IRT Lexington Avenue Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IRT_Lexington_Avenue_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260116100433/https://en.wikipedia.org/wiki/IRT_Lexington_Avenue_Line", "kind": "wikipedia", "quote": "The segment north of Grand Central opened on July 17, 1918, adding eleven new stations in Manhattan: 51st Street, 59th Street, 68th Street–Hunter College, 77th Street, 86th Street, 96th Street, 103rd Street, 110th Street–Central Park North, 116th Street, and 125th Street.", "tier": "tertiary", "title": "IRT Lexington Avenue Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IRT_Lexington_Avenue_Line" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20211227184649/https://timesmachine.nytimes.com/timesmachine/1918/07/17/102723156.pdf", "kind": "news", "publisher": "The New York Times", "quote": "Lexington Av. Line to be Opened Today — Subway Service to East Side of Harlem and the Bronx Expected to Relieve Congestion — Begins With Local Trains (article dated July 17, 1918)", "tier": "secondary", "title": "Lexington Av. Line to be Opened Today — Subway Service to East Side of Harlem and the Bronx Expected to Relieve Congestion — Begins With Local Trains — Running of Express Trains to Await Opening of Seventh Avenue Line of H System", "url": "https://timesmachine.nytimes.com/timesmachine/1918/07/17/102723156.pdf", "via": "https://en.wikipedia.org/wiki/IRT_Lexington_Avenue_Line" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20170813190643/http://query.nytimes.com/gst/abstract.html?res=9802EFDC143EE433A2575BC1A9619C946996D6CF&legacy=true", "kind": "news", "publisher": "The New York Times", "quote": "Mayor Runs First Lexington Av Train — Goes Back to His Old Job on the Initial Trip from 42d Street to the Bronx (article dated July 18, 1918, reporting on July 17, 1918 opening)", "tier": "secondary", "title": "Mayor Runs First Lexington Av Train — Goes Back to His Old Job on the Initial Trip from 42d Street to the Bronx — Interboro Ready to Pool", "url": "https://query.nytimes.com/gst/abstract.html?res=9802EFDC143EE433A2575BC1A9619C946996D6CF&legacy=true", "via": "https://en.wikipedia.org/wiki/IRT_Lexington_Avenue_Line" } ], "stationCount": 11 }, { "confidence": "medium", "geometryRef": null, "id": "nyc-irt-lexington-avenue-line-19180801-6", "kind": "renumber", "label": { "en": "'H system' reorganization: Lexington Avenue Line becomes a through route (42nd Street Shuttle split off)" }, "notes": "On August 1, 1918 service patterns were changed: the Lexington Avenue Line (and the Broadway–Seventh Avenue Line) switched from shuttle operation to through service, the 42nd Street Shuttle was formed, and the system took on its 'H' shape. This created the Lexington Avenue Line as a distinct service rather than adding new track/stations. [Opening-date chase 2026-06-13] Aug 1, 1918 is a service-pattern reorganization (the 'H system'), not a new-segment opening: the Lexington Avenue Line became a through route and the 42nd Street Shuttle was split off. NYT (Aug 2, 1918) confirms the date.", "opened": "1918-08-01", "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260116100433/https://en.wikipedia.org/wiki/IRT_Lexington_Avenue_Line", "kind": "wikipedia", "quote": "On August 1, service patterns were changed, and the Lexington Avenue Line became a through route...the IRT 42nd Street Shuttle was formed...Due to the shape of the system, it was referred to as the 'H system'.", "tier": "tertiary", "title": "IRT Lexington Avenue Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IRT_Lexington_Avenue_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260116100433/https://en.wikipedia.org/wiki/IRT_Lexington_Avenue_Line", "kind": "wikipedia", "quote": "until the evening of August 1, 1918, it ran as a shuttle on the local tracks only, terminating at 42nd Street and at 167th Street on the IRT Jerome Avenue Line.", "tier": "tertiary", "title": "IRT Lexington Avenue Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IRT_Lexington_Avenue_Line" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20251030114821/https://timesmachine.nytimes.com/timesmachine/1918/08/02/97011929.pdf", "kind": "news", "publisher": "The New York Times", "quote": "Open New Subway Lines to Traffic; Called a Triumph — Great H System Put in Operation Marks an Era in Railroad Construction (article dated August 2, 1918, reporting on August 1, 1918 reorganization)", "tier": "secondary", "title": "Open New Subway Lines to Traffic; Called a Triumph — Great H System Put in Operation Marks an Era in Railroad Construction — No Hitch in the Plans — But Public Gropes Blindly to Find the Way in Maze of New Stations", "url": "https://timesmachine.nytimes.com/timesmachine/1918/08/02/97011929.pdf", "via": "https://en.wikipedia.org/wiki/IRT_Lexington_Avenue_Line" } ] } ], "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260116100433/https://en.wikipedia.org/wiki/IRT_Lexington_Avenue_Line", "kind": "wikipedia", "quote": "The part of the line from City Hall to just south of 42nd Street was part of the original IRT line, opened on October 27, 1904.", "tier": "tertiary", "title": "IRT Lexington Avenue Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IRT_Lexington_Avenue_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260427172840/https://en.wikipedia.org/wiki/Early_history_of_the_IRT_subway", "kind": "wikipedia", "quote": "$35 million would be provided for the total cost of the line, and the Rapid Transit Construction Company would provide the cost of necessary equipment, including signals, rolling stock, and power plants.", "tier": "tertiary", "title": "Early history of the IRT subway — Wikipedia", "url": "https://en.wikipedia.org/wiki/Early_history_of_the_IRT_subway" } ] }, { "cityId": "nyc", "color": "#B933AD", "displayNumber": "IRT Flushing Line", "id": "nyc-line-irt-flushing-line", "name": { "en": "IRT Flushing Line" }, "phases": [ { "confidence": "high", "constructionStart": "1892", "geometryRef": "nyc-IRT Flushing Line", "id": "nyc-irt-flushing-line-19150622-0", "kind": "initial", "label": { "en": "Steinway Tunnel opens for subway service: Grand Central → Vernon–Jackson Avenues" }, "notes": "Steinway Tunnel construction commenced 3 June 1892, halted 1893, resumed 1905. The City purchased the tunnels from Belmont on 3 April 1913 under the Dual Contracts for $3 million and placed them under IRT operation. First test trip by IRT cars 13 June 1915; passenger service began 22 June 1915. [Date chase 2026-06-12] Construction of the Steinway Tunnel began June 3, 1892, but was halted in 1893 and resumed in 1905; active subway construction effectively ran 1905-1915. The DB's 1892 constructionStart records the original commencement, consistent with Wikipedia and Hood 2004 (p. 164). [Opening-date chase 2026-06-13] NYT (June 23, 1915) reports the tunnel 'officially opened' with speeches; this ceremonial element was concurrent with the revenue-service opening — no separate earlier revenue date found.", "opened": "1915-06-22", "segment": { "fromStopIndex": 3, "toStopIndex": 4 }, "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260517010220/https://en.wikipedia.org/wiki/IRT_Flushing_Line", "kind": "wikipedia", "quote": "The tunnel opened for subway use on June 22, 1915, with service running between Grand Central and Vernon–Jackson Avenues.", "tier": "tertiary", "title": "IRT Flushing Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IRT_Flushing_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260517010220/https://en.wikipedia.org/wiki/IRT_Flushing_Line", "kind": "wikipedia", "quote": "On June 3, 1892, construction of the tunnel commenced.", "tier": "tertiary", "title": "IRT Flushing Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IRT_Flushing_Line" }, { "accessedAt": "2026-06-12", "archivedUrl": "https://web.archive.org/web/20250904080408/https://books.google.com/books?id=Az6dEkuGhccC", "kind": "other", "publisher": "Johns Hopkins University Press", "quote": "On June 3, 1892, construction of the tunnel commenced near the intersection of 50th Avenue and Vernon and Jackson Avenues. [cited to Hood2004, p. 164]", "tier": "secondary", "title": "722 Miles: The Building of the Subways and How They Transformed New York (Centennial ed., 2004) — Clifton Hood", "url": "https://books.google.com/books?id=Az6dEkuGhccC", "via": "https://en.wikipedia.org/wiki/IRT_Flushing_Line" }, { "accessedAt": "2026-06-12", "archivedUrl": "https://web.archive.org/web/20251205005416/https://www.nycsubway.org/wiki/IRT_Flushing_Line", "kind": "other", "publisher": "nycsubway.org", "quote": "On June 3rd, 1892, groundbreaking occurred at 50th Ave between Vernon and Jackson Avenues.", "tier": "tertiary", "title": "IRT Flushing Line — nycsubway.org", "url": "http://www.nycsubway.org/wiki/IRT_Flushing_Line", "via": "https://en.wikipedia.org/wiki/IRT_Flushing_Line" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20260613162209/https://timesmachine.nytimes.com/timesmachine/1915/06/23/100163384.pdf", "kind": "news", "publisher": "The New York Times", "quote": "Article dated June 23, 1915 (day-after reporting). Headline 'Queensboro Tunnel Officially Opened' with mention of speeches. Wikipedia body text states this was when the tunnel 'opened for subway use', i.e., revenue service.", "tier": "secondary", "title": "Queensboro Tunnel Officially Opened — Subway, Started Twenty-Three Years Ago, Links Grand Central and Long Island City", "url": "https://timesmachine.nytimes.com/timesmachine/1915/06/23/100163384.pdf", "via": "https://en.wikipedia.org/wiki/IRT_Flushing_Line" } ] }, { "confidence": "medium", "geometryRef": "nyc-IRT Flushing Line", "id": "nyc-irt-flushing-line-19160215-1", "kind": "extension", "label": { "en": "Extension east: Vernon–Jackson Avenues → Hunters Point Avenue" }, "notes": "[Opening-date chase 2026-06-13] nycsubway.org's opening table erroneously lists Hunters Point Avenue as 11/5/1916; the Feb 16, 1916 NYT 'Subway Extension Open' article confirms Feb 15, 1916.", "opened": "1916-02-15", "segment": { "fromStopIndex": 4, "toStopIndex": 5 }, "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260517010220/https://en.wikipedia.org/wiki/IRT_Flushing_Line", "kind": "wikipedia", "quote": "The Flushing Line was extended one stop from Vernon–Jackson Avenues to Hunters Point Avenue on February 15, 1916.", "tier": "tertiary", "title": "IRT Flushing Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IRT_Flushing_Line" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20230722153214/https://timesmachine.nytimes.com/timesmachine/1916/02/16/100192409.pdf", "kind": "news", "publisher": "The New York Times", "quote": "Article dated February 16, 1916 with headline 'Subway Extension Open.; Many Use New Hunters Point Avenue Station' — day-after reporting confirming the extension was already open to passengers by February 16, consistent with February 15, 1916.", "tier": "secondary", "title": "Subway Extension Open – Many Use New Hunters Point Avenue Station", "url": "https://timesmachine.nytimes.com/timesmachine/1916/02/16/100192409.pdf", "via": "https://en.wikipedia.org/wiki/IRT_Flushing_Line" } ], "stationCount": 1 }, { "confidence": "medium", "geometryRef": "nyc-IRT Flushing Line", "id": "nyc-irt-flushing-line-19161105-2", "kind": "extension", "label": { "en": "Extension east: Hunters Point Avenue → Queensboro Plaza" }, "notes": "[Opening-date chase 2026-06-13] Internal Wikipedia day-level discrepancy: Queensboro Plaza station article states Nov 16 while citing the Nov 5, 1916 NYT source; curated Nov 5 aligns with the main line article and the same-day NYT report. Year is firm (1916).", "opened": "1916-11-05", "segment": { "fromStopIndex": 5, "toStopIndex": 7 }, "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260517010220/https://en.wikipedia.org/wiki/IRT_Flushing_Line", "kind": "wikipedia", "quote": "On November 5, 1916, the Flushing Line was extended two more stops to the east to the Queensboro Plaza station.", "tier": "tertiary", "title": "IRT Flushing Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IRT_Flushing_Line" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20221228022856/https://timesmachine.nytimes.com/timesmachine/1916/11/05/104027201.pdf", "kind": "news", "publisher": "The New York Times", "quote": "NYT article dated November 5, 1916, titled 'New Subway Link' — cited by the IRT Flushing Line main article to support November 5, 1916. Same-day publication consistent with a November 5 opening.", "tier": "secondary", "title": "New Subway Link", "url": "https://timesmachine.nytimes.com/timesmachine/1916/11/05/104027201.pdf", "via": "https://en.wikipedia.org/wiki/IRT_Flushing_Line" } ], "stationCount": 2 }, { "confidence": "medium", "geometryRef": "nyc-IRT Flushing Line", "id": "nyc-irt-flushing-line-19170421-3", "kind": "extension", "label": { "en": "Extension east: Queensboro Plaza → Alburtis Avenue (now 103rd Street–Corona Plaza)" }, "notes": "[Opening-date chase 2026-06-13] NYT headline 'Opened to the Public' explicitly confirms public revenue service on April 21, 1917.", "opened": "1917-04-21", "segment": { "fromStopIndex": 7, "toStopIndex": 18 }, "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260517010220/https://en.wikipedia.org/wiki/IRT_Flushing_Line", "kind": "wikipedia", "quote": "The line was opened from Queensboro Plaza to Alburtis Avenue on April 21, 1917.", "tier": "tertiary", "title": "IRT Flushing Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IRT_Flushing_Line" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20231223113022/https://timesmachine.nytimes.com/timesmachine/1917/04/22/102336714.pdf", "kind": "news", "publisher": "The New York Times", "quote": "NYT article dated April 22, 1917, headline 'Transit Service on Corona Extension of Dual Subway System Opened to the Public' — day-after reporting confirming April 21, 1917 as the public revenue service opening.", "tier": "secondary", "title": "Transit Service on Corona Extension of Dual Subway System Opened to the Public", "url": "https://timesmachine.nytimes.com/timesmachine/1917/04/22/102336714.pdf", "via": "https://en.wikipedia.org/wiki/IRT_Flushing_Line" } ] }, { "confidence": "medium", "geometryRef": "nyc-IRT Flushing Line", "id": "nyc-irt-flushing-line-19260322-4", "kind": "extension", "label": { "en": "Manhattan western extension: Grand Central → Fifth Avenue (temporary terminal)" }, "notes": "[Opening-date chase 2026-06-13] Library-ceremony noted in NYT was same-day as public service opening, not a prior VIP run. Fifth Avenue served as temporary terminus until the Times Square extension (March 14, 1927).", "opened": "1926-03-22", "segment": { "fromStopIndex": 2, "toStopIndex": 3 }, "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260517010220/https://en.wikipedia.org/wiki/IRT_Flushing_Line", "kind": "wikipedia", "quote": "The Fifth Avenue station opened on March 22, 1926, extending the IRT Flushing Line one stop to the west from the line's previous terminus at Grand Central.", "tier": "tertiary", "title": "IRT Flushing Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IRT_Flushing_Line" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20251105083529/https://www.nytimes.com/1926/03/23/archives/fifth-av-station-of-subway-opened-ceremonies-at-library-mark.html", "kind": "news", "publisher": "The New York Times", "quote": "NYT article dated March 23, 1926, headline 'Fifth Av. Station of Subway Opened; Ceremonies at Library Mark Completion of First Part of Queensboro Extension' — day-after reporting confirming March 22, 1926 opening.", "tier": "secondary", "title": "Fifth Av. Station of Subway Opened; Ceremonies at Library Mark Completion of First Part of Queensboro Extension", "url": "https://www.nytimes.com/1926/03/23/archives/fifth-av-station-of-subway-opened-ceremonies-at-library-mark.html", "via": "https://en.wikipedia.org/wiki/IRT_Flushing_Line" } ], "stationCount": 1 }, { "confidence": "medium", "geometryRef": "nyc-IRT Flushing Line", "id": "nyc-irt-flushing-line-19251013-5", "kind": "extension", "label": { "en": "Eastern extension: Alburtis Avenue → 111th Street" }, "notes": "Initially operated as shuttle service between 111th Street and the previous terminal at Alburtis Avenue. [Opening-date chase 2026-06-13] Service from day one was shuttle-only (Manhattan-bound track) but was public revenue service.", "opened": "1925-10-13", "segment": { "fromStopIndex": 18, "toStopIndex": 19 }, "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260517010220/https://en.wikipedia.org/wiki/IRT_Flushing_Line", "kind": "wikipedia", "quote": "Service to 111th Street was inaugurated on October 13, 1925, with shuttle service running between 111th Street and the previous terminal at Alburtis Avenue.", "tier": "tertiary", "title": "IRT Flushing Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IRT_Flushing_Line" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20260513040545/https://www.newspapers.com/image/59882105/?terms=%22111th%2BStreet%22%2Bsubway%2Bqueens%2Bcorona", "kind": "news", "publisher": "Brooklyn Daily Eagle", "quote": "Brooklyn Daily Eagle article dated October 5, 1925, headline 'First Trains to be Run on Flushing Tube Line Oct. 13: Shuttle Operation Ordered to 111th Street Station on New Extension' — advance reporting confirming October 13, 1925 as the planned service start date.", "tier": "secondary", "title": "First Trains to be Run on Flushing Tube Line Oct. 13: Shuttle Operation Ordered to 111th Street Station on New Extension", "url": "https://www.newspapers.com/image/59882105/?terms=%22111th%2BStreet%22%2Bsubway%2Bqueens%2Bcorona", "via": "https://en.wikipedia.org/wiki/IRT_Flushing_Line" } ], "stationCount": 1 }, { "confidence": "medium", "geometryRef": "nyc-IRT Flushing Line", "id": "nyc-irt-flushing-line-19270314-6", "kind": "extension", "label": { "en": "Manhattan western extension: Fifth Avenue → Times Square (via 42nd Street–Bryant Park)" }, "notes": "Added the intermediate station under Bryant Park (Fifth Avenue) and the Times Square terminal. [Opening-date chase 2026-06-13] NYT 'Service Starts at Once After a Celebration' confirms revenue service and celebration were simultaneous on March 14; the Board of Transportation's originally-set March 15 date was moved up one day.", "opened": "1927-03-14", "segment": { "fromStopIndex": 1, "toStopIndex": 2 }, "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260517010220/https://en.wikipedia.org/wiki/IRT_Flushing_Line", "kind": "wikipedia", "quote": "The Flushing Line was extended to Times Square on March 14, 1927.", "tier": "tertiary", "title": "IRT Flushing Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IRT_Flushing_Line" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20240117073246/https://www.nytimes.com/1927/03/15/archives/new-queens-subway-opened-to-times-sq-service-starts-at-once-after-a.html", "kind": "news", "publisher": "The New York Times", "quote": "NYT article dated March 15, 1927, headline 'New Queens Subway Opened to Times Sq.; Service Starts at Once After a Celebration by City and Civic Leaders' — day-after reporting confirming March 14, 1927. 'Service Starts at Once' confirms revenue service opened simultaneously with the celebration.", "tier": "secondary", "title": "New Queens Subway Opened to Times Sq.; Service Starts at Once After a Celebration by City and Civic Leaders", "url": "https://www.nytimes.com/1927/03/15/archives/new-queens-subway-opened-to-times-sq-service-starts-at-once-after-a.html", "via": "https://en.wikipedia.org/wiki/IRT_Flushing_Line" } ], "stationCount": 2 }, { "confidence": "medium", "geometryRef": "nyc-IRT Flushing Line", "id": "nyc-irt-flushing-line-19270507-7", "kind": "extension", "label": { "en": "Eastern extension: 111th Street → Willets Point Boulevard (now Mets–Willets Point)" }, "notes": "[Opening-date chase 2026-06-13] Partial-then-full: revenue passengers could first board via shuttle on May 7, 1927; through service began May 14, 1927 (same year).", "opened": "1927-05-07", "segment": { "fromStopIndex": 19, "toStopIndex": 20 }, "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260517010220/https://en.wikipedia.org/wiki/IRT_Flushing_Line", "kind": "wikipedia", "quote": "the line was extended to Willets Point Boulevard on May 7, 1927.", "tier": "tertiary", "title": "IRT Flushing Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IRT_Flushing_Line" }, { "accessedAt": "2026-06-13", "kind": "news", "publisher": "The New York Times", "quote": "NYT article dated May 8, 1927, headline 'Corona Subway Extended' — day-after reporting confirming May 7, 1927 as the extension opening date.", "tier": "secondary", "title": "Corona Subway Extended", "url": "https://timesmachine.nytimes.com/timesmachine/1927/05/08/96646501.pdf", "via": "https://en.wikipedia.org/wiki/IRT_Flushing_Line" } ], "stationCount": 1 }, { "confidence": "medium", "geometryRef": "nyc-IRT Flushing Line", "id": "nyc-irt-flushing-line-19280121-8", "kind": "extension", "label": { "en": "Eastern extension to terminus: Willets Point Boulevard → Flushing–Main Street" }, "notes": "Completed the line's eastern terminus. The remaining (Corona Yard) tracks opened 16 April 1928. [Opening-date chase 2026-06-13] The 'remaining tracks opened April 16, 1928' note refers to Corona Yard infrastructure tracks, not a passenger station opening; Jan 21, 1928 is the revenue-service opening.", "opened": "1928-01-21", "segment": { "fromStopIndex": 20, "toStopIndex": 21 }, "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260517010220/https://en.wikipedia.org/wiki/IRT_Flushing_Line", "kind": "wikipedia", "quote": "The eastern extension to Flushing–Main Street opened on January 21, 1928.", "tier": "tertiary", "title": "IRT Flushing Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IRT_Flushing_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260517010220/https://en.wikipedia.org/wiki/IRT_Flushing_Line", "kind": "wikipedia", "quote": "The remaining tracks opened on April 16, 1928.", "tier": "tertiary", "title": "IRT Flushing Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IRT_Flushing_Line" }, { "accessedAt": "2026-06-13", "kind": "news", "publisher": "The New York Times", "quote": "NYT article dated January 22, 1928, headline 'Flushing Rejoices as Subway Opens – Service by B.M.T. and I.R.T. Begins as Soon as Official Train Makes First Run' — day-after reporting confirming January 21, 1928. 'Begins as Soon as Official Train Makes First Run' confirms public service opened same day.", "tier": "secondary", "title": "Flushing Rejoices as Subway Opens – Service by B.M.T. and I.R.T. Begins as Soon as Official Train Makes First Run", "url": "https://timesmachine.nytimes.com/timesmachine/1928/01/22/94122788.pdf", "via": "https://en.wikipedia.org/wiki/IRT_Flushing_Line" }, { "accessedAt": "2026-06-13", "kind": "news", "publisher": "The New York Times", "quote": "NYT article dated January 12, 1928, headline 'Flushing Line Opens Jan. 21' — advance reporting confirming January 21, 1928 as the planned opening date.", "tier": "secondary", "title": "Flushing Line Opens Jan. 21", "url": "https://timesmachine.nytimes.com/timesmachine/1928/01/12/94119334.pdf", "via": "https://en.wikipedia.org/wiki/IRT_Flushing_Line" } ], "stationCount": 1 }, { "confidence": "high", "constructionStart": "2007", "cost": { "basis": "budget", "confidence": "medium", "nominal": { "currency": "USD", "isEstimate": false, "value": 2400000000, "year": 2015 }, "notes": "Total project cost $2.4 billion, funded with NYC municipal Tax Increment Financing (TIF) bond sales (earlier estimate $2.1 billion). Includes a $1.145 billion tunnelling contract awarded October 2007. Only the 34th St–Hudson Yards station was built; the planned 10th Avenue station was eliminated. Construction launch ceremony held 3 December 2007. [Citation chase 2026-06-11] The $2.4 billion is the revised budget cap after October 2007 cost overruns (the 10th Ave station was cut to stay within it); the $2–2.1 billion figures cited in 2006–2007 sources are the earlier estimates at bond issuance and groundbreaking. A clean primary source for the $2.4 billion final cost (e.g., the NYT \"Higher Costs Force Cutback\" Oct 20, 2007) was not reachable and would strengthen this record.", "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260609055432/https://en.wikipedia.org/wiki/7_Subway_Extension", "kind": "wikipedia", "quote": "The extension opened to the public on September 13, 2015.", "tier": "tertiary", "title": "7 Subway Extension — Wikipedia", "url": "https://en.wikipedia.org/wiki/7_Subway_Extension" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260609055432/https://en.wikipedia.org/wiki/7_Subway_Extension", "kind": "wikipedia", "quote": "The $2.4 billion extension was funded with New York City funds from municipal Tax Increment Financing (TIF) bond sales.", "tier": "tertiary", "title": "7 Subway Extension — Wikipedia", "url": "https://en.wikipedia.org/wiki/7_Subway_Extension" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260609055432/https://en.wikipedia.org/wiki/7_Subway_Extension", "kind": "wikipedia", "quote": "On December 3, 2007, the MTA conducted a ceremony at the Times Square subway station marking the launch of construction of the 7 train extension.", "tier": "tertiary", "title": "7 Subway Extension — Wikipedia", "url": "https://en.wikipedia.org/wiki/7_Subway_Extension" }, { "accessedAt": "2026-06-11", "archivedUrl": "https://web.archive.org/web/20250814155545/https://web.archive.org/web/20071011125730/http://www.ny1.com/ny1/content/index.jsp?stid=5&aid=64913", "kind": "news", "publisher": "NY1", "quote": "There is no turning back now for the Number 7 line. Wednesday, the project got all the funding it will need to move forward, when the city sold $2 billion worth of bonds. ... Altogether, the project will cost $2 billion, and extend the line from Times Square over to 11th Avenue and down to 34th Street.", "tier": "secondary", "title": "City Raises $2 Billion In Bonds For No. 7 Line Extension", "url": "https://web.archive.org/web/20071011125730/http://www.ny1.com/ny1/content/index.jsp?stid=5&aid=64913", "via": "https://en.wikipedia.org/wiki/7_Subway_Extension" }, { "accessedAt": "2026-06-11", "archivedUrl": "https://web.archive.org/web/20251227233623/https://www.nyc.gov/html/om/html/2007b/pr437-07.html", "kind": "primary", "publisher": "Mayor of New York City's Office", "quote": "The $2.1 billion project will foster transit oriented development in one of Manhattan's most underserved and underdeveloped areas... The first $1.14 billion contract for tunnel boring was approved by the MTA on October 24, 2007.", "tier": "primary", "title": "Mayor Bloomberg and Governor Spitzer Announce Start of Construction On #7 Subway Extension", "url": "https://www.nyc.gov/html/om/html/2007b/pr437-07.html", "via": "https://en.wikipedia.org/wiki/7_Subway_Extension" } ] }, "geometryRef": "nyc-IRT Flushing Line", "id": "nyc-irt-flushing-line-20150913-9", "kind": "extension", "label": { "en": "7 Subway Extension: Times Square → 34th Street–Hudson Yards" }, "notes": "[Opening-date chase 2026-06-13] Ribbon-cutting (~1 p.m.) and public revenue service were simultaneous on Sep 13, 2015. The December 2013 Bloomberg 'inaugural run' was a construction-phase tunnel preview, not a public opening.", "opened": "2015-09-13", "segment": { "fromStopIndex": 0, "toStopIndex": 1 }, "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260609055432/https://en.wikipedia.org/wiki/7_Subway_Extension", "kind": "wikipedia", "quote": "The extension opened to the public on September 13, 2015.", "tier": "tertiary", "title": "7 Subway Extension — Wikipedia", "url": "https://en.wikipedia.org/wiki/7_Subway_Extension" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260609055432/https://en.wikipedia.org/wiki/7_Subway_Extension", "kind": "wikipedia", "quote": "The $2.4 billion extension was funded with New York City funds from municipal Tax Increment Financing (TIF) bond sales.", "tier": "tertiary", "title": "7 Subway Extension — Wikipedia", "url": "https://en.wikipedia.org/wiki/7_Subway_Extension" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260609055432/https://en.wikipedia.org/wiki/7_Subway_Extension", "kind": "wikipedia", "quote": "On December 3, 2007, the MTA conducted a ceremony at the Times Square subway station marking the launch of construction of the 7 train extension.", "tier": "tertiary", "title": "7 Subway Extension — Wikipedia", "url": "https://en.wikipedia.org/wiki/7_Subway_Extension" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20200224054737/https://web.archive.org/web/20160304003930/http://web.mta.info/capital/no7_alt.html", "kind": "primary", "publisher": "Metropolitan Transportation Authority", "quote": "The new station opened September 13, 2015. [quoted verbatim in 7 Subway Extension wikitext]", "tier": "primary", "title": "New 34 St-Hudson Yards 7 Station Opens — MTA Building for the Future", "url": "https://web.archive.org/web/20160304003930/http://web.mta.info/capital/no7_alt.html", "via": "https://en.wikipedia.org/wiki/7_Subway_Extension" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20251125183003/https://www.wsj.com/articles/new-subway-station-opens-on-nycs-far-west-side-1442171470", "kind": "news", "publisher": "Wall Street Journal", "quote": "WSJ article dated September 13, 2015, headline 'New Subway Station Opens on NYC's Far West Side' — same-day reporting confirming September 13, 2015 as the public opening date.", "tier": "secondary", "title": "New Subway Station Opens on NYC's Far West Side", "url": "https://www.wsj.com/articles/new-subway-station-opens-on-nycs-far-west-side-1442171470", "via": "https://en.wikipedia.org/wiki/7_Subway_Extension" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20210914102231/https://abc7ny.com/980231/", "kind": "news", "publisher": "ABC7 New York", "quote": "Article dated September 13, 2015: 'City officials cut the ribbon Sunday for the No. 7 line leading from Times Square to Manhattan's far West Side at 34th Street.'", "tier": "secondary", "title": "New 7 line subway extension to the West Side opens", "url": "http://abc7ny.com/980231/", "via": "https://en.wikipedia.org/wiki/7_Subway_Extension" } ], "stationCount": 1 } ], "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260517010220/https://en.wikipedia.org/wiki/IRT_Flushing_Line", "kind": "wikipedia", "quote": "The tunnel opened for subway use on June 22, 1915, with service running between Grand Central and Vernon–Jackson Avenues.", "tier": "tertiary", "title": "IRT Flushing Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IRT_Flushing_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260609055432/https://en.wikipedia.org/wiki/7_Subway_Extension", "kind": "wikipedia", "quote": "The extension opened to the public on September 13, 2015.", "tier": "tertiary", "title": "7 Subway Extension — Wikipedia", "url": "https://en.wikipedia.org/wiki/7_Subway_Extension" } ] }, { "cityId": "nyc", "color": "#6D6E71", "displayNumber": "IRT 42nd Street Line", "id": "nyc-line-irt-42nd-street-line", "name": { "en": "IRT 42nd Street Line" }, "phases": [ { "confidence": "medium", "geometryRef": "nyc-IRT 42nd Street Line", "id": "nyc-irt-42nd-street-line-19041027-0", "kind": "initial", "label": { "en": "Original line opens as part of first IRT subway: Times Square → Grand Central (42nd St cross-town section)" }, "notes": "Not originally a shuttle. On 1904-10-27 the 42nd Street cross-town segment opened as the through-routed elbow of the city's first subway (City Hall → up Lexington/Park to 42nd St → west across 42nd St → up Broadway). The two stations later isolated as the shuttle (Times Square and Grand Central) date from this opening. [Opening-date chase 2026-06-13] Ceremonial and public revenue service both began October 27, 1904; ~150,000 riders day one per NYT.", "opened": "1904-10-27", "segment": { "fromStopIndex": 0, "toStopIndex": 1 }, "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260417013834/https://en.wikipedia.org/wiki/42nd_Street_Shuttle", "kind": "wikipedia", "quote": "The subway through which the shuttle runs was opened on October 27, 1904, by the Interborough Rapid Transit Company (IRT), the first day of subway service in Manhattan.", "tier": "tertiary", "title": "42nd Street Shuttle — Wikipedia", "url": "https://en.wikipedia.org/wiki/42nd_Street_Shuttle" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260427172840/https://en.wikipedia.org/wiki/Early_history_of_the_IRT_subway", "kind": "wikipedia", "quote": "The original subway line ran north from City Hall on what is now the IRT Lexington Avenue Line to 42nd Street, from where it turned west to run across 42nd Street.", "tier": "tertiary", "title": "Early history of the IRT subway — Wikipedia", "url": "https://en.wikipedia.org/wiki/Early_history_of_the_IRT_subway" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20250816010719/https://www.nytimes.com/1904/10/28/archives/our-subway-open-150000-try-it-mayor-mcclellan-runs-the-first.html", "kind": "news", "publisher": "The New York Times", "quote": "Our Subway Open, 150,000 Try It — Mayor McClellan Runs the First Official Train — Big Crowds Ride At Night — Average of 25,000 An Hour from 7 P.M. Till Past Midnight [dateline October 28, 1904, reporting on October 27 opening]", "tier": "secondary", "title": "Our Subway Open, 150,000 Try It — Mayor McClellan Runs the First Official Train — Big Crowds Ride At Night — Average of 25,000 An Hour from 7 P.M. Till Past Midnight", "url": "https://www.nytimes.com/1904/10/28/archives/our-subway-open-150000-try-it-mayor-mcclellan-runs-the-first.html", "via": "https://en.wikipedia.org/wiki/42nd_Street_Shuttle" } ], "stationCount": 2 }, { "closed": "1918-08-02", "confidence": "medium", "geometryRef": null, "id": "nyc-irt-42nd-street-line-19180801-1", "kind": "renumber", "label": { "en": "H-system conversion: 42nd St segment becomes the shuttle (Times Square – Grand Central)" }, "notes": "Not a new line; a reconfiguration. With completion of the Lexington Avenue Line north of 42nd St and the Broadway–Seventh Avenue Line south of 42nd St, the Dual Contracts 'H system' split the original line into two trunks, leaving the 42nd St cross-town elbow to operate as a standalone shuttle. Tagged 'renumber' as the closest kind to a service reconfiguration of an existing segment. The shuttle was ordered closed by the Public Service Commission the day after opening (Aug 2, 1918) due to dangerous overcrowding. [Opening-date chase 2026-06-13] Live public/revenue launch (not ceremonial); station incomplete with temporary wooden flooring, and PSC ordered it closed the next day (Aug 2) for overcrowding.", "opened": "1918-08-01", "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260417013834/https://en.wikipedia.org/wiki/42nd_Street_Shuttle", "kind": "wikipedia", "quote": "On August 1, 1918, the Dual System's 'H system' was put into service, with through trains over the IRT Lexington Avenue Line and IRT Broadway–Seventh Avenue Line, and only shuttle trains under 42nd Street.", "tier": "tertiary", "title": "42nd Street Shuttle — Wikipedia", "url": "https://en.wikipedia.org/wiki/42nd_Street_Shuttle" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260417013834/https://en.wikipedia.org/wiki/42nd_Street_Shuttle", "kind": "wikipedia", "quote": "The shuttle was heavily used, and the crowding conditions were so bad that the shuttle was ordered closed the next day by the Public Service Commission.", "tier": "tertiary", "title": "42nd Street Shuttle — Wikipedia", "url": "https://en.wikipedia.org/wiki/42nd_Street_Shuttle" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20251030114821/https://timesmachine.nytimes.com/timesmachine/1918/08/02/97011929.pdf", "kind": "news", "publisher": "The New York Times", "quote": "[Article dated August 2, 1918, reporting on August 1 opening of H system including 42nd Street shuttle service]", "tier": "secondary", "title": "Open New Subway Lines to Traffic; Called a Triumph", "url": "https://timesmachine.nytimes.com/timesmachine/1918/08/02/97011929.pdf", "via": "https://en.wikipedia.org/wiki/42nd_Street_Shuttle" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20221108164119/https://timesmachine.nytimes.com/timesmachine/1918/08/03/97012303.pdf", "kind": "news", "publisher": "The New York Times", "quote": "[Article dated August 3, 1918, confirming shuttle opened August 1, then was ordered closed the next day by the Public Service Commission due to severe overcrowding]", "tier": "secondary", "title": "Drop Shuttle Plan as Subway Crush Becomes a Peril", "url": "https://timesmachine.nytimes.com/timesmachine/1918/08/03/97012303.pdf", "via": "https://en.wikipedia.org/wiki/42nd_Street_Shuttle" } ], "stationCount": 0 }, { "closed": "1918-08-02", "confidence": "high", "geometryRef": null, "id": "nyc-irt-42nd-street-line-19180928-2", "kind": "reopening", "label": { "en": "Shuttle reopens with improved passageways and platforms" }, "notes": "Reopening after the ~8-week closure that the Public Service Commission ordered on 1918-08-02 over overcrowding/safety. The 'closed' date here is the Aug 2, 1918 shutdown that began this closure-and-reopening cycle. [Opening-date chase 2026-06-13] Permanent reopening with improved passageways/platforms; IRT advance notice dated Sept 27 (Princeton PUDL link now dead) is a pre-announcement, not an earlier opening.", "opened": "1918-09-28", "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260417013834/https://en.wikipedia.org/wiki/42nd_Street_Shuttle", "kind": "wikipedia", "quote": "The shuttle reopened on September 28, 1918, with improved passageways and platforms.", "tier": "tertiary", "title": "42nd Street Shuttle — Wikipedia", "url": "https://en.wikipedia.org/wiki/42nd_Street_Shuttle" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20250828024713/https://pudl.princeton.edu/sheetreader.php?obj=7e1011bd-d756-4cde-9fa8-fdda2ce8d6e3", "kind": "primary", "publisher": "Interborough Rapid Transit Company", "quote": "[IRT operational notice titled 'Shuttle Service In Operation', dated September 27, 1918 — advance notice of the September 28 service resumption]", "tier": "primary", "title": "Shuttle Service In Operation", "url": "http://pudl.princeton.edu/sheetreader.php?obj=7e1011bd-d756-4cde-9fa8-fdda2ce8d6e3", "via": "https://en.wikipedia.org/wiki/42nd_Street_Shuttle" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20260613162316/https://timesmachine.nytimes.com/timesmachine/1918/09/28/102839331.pdf", "kind": "news", "publisher": "The New York Times", "quote": "[NYT article dated September 28, 1918, page 17, confirming shuttle resumes service on that date with improved passageways and platforms]", "tier": "secondary", "title": "Subway Shuttle Resumes Today", "url": "https://timesmachine.nytimes.com/timesmachine/1918/09/28/102839331.pdf", "via": "https://en.wikipedia.org/wiki/42nd_Street_Shuttle" } ] }, { "closed": "2020-04-06", "confidence": "high", "constructionStart": "2019", "cost": { "basis": "estimate", "confidence": "high", "nominal": { "currency": "USD", "isEstimate": true, "value": 264340000, "year": 2019 }, "notes": "Two-part figure: $235.41M reconfiguration + $28.93M Times Square access improvements = $264.34M. From MTA project estimates as reported by Wikipedia; this is the budgeted/estimated cost rather than a confirmed final outturn. Separately, the broader '42 St Connection' corridor program was estimated around $750M, which is wider in scope than this shuttle reconstruction. [Citation chase 2026-06-11] The $264.34M figure is directly verified in the MTA FFY2017 Public Hearing \"Description of Projects Booklet\" as two \"Estimated Federal Request\" line items (T7041307 = $235.41M, T7041404 = $28.93M), confirming these are 2016 capital-program estimates rather than a final outturn; a later Jan 2020 CPOC document shows a revised bundled shuttle budget of about $253M after post-award re-scoping.", "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260417013834/https://en.wikipedia.org/wiki/42nd_Street_Shuttle", "kind": "wikipedia", "quote": "On August 2, 2019, the MTA announced that work on the project would begin on August 16.", "tier": "tertiary", "title": "42nd Street Shuttle — Wikipedia", "url": "https://en.wikipedia.org/wiki/42nd_Street_Shuttle" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260417013834/https://en.wikipedia.org/wiki/42nd_Street_Shuttle", "kind": "wikipedia", "quote": "The new platforms finally opened on September 7, 2021.", "tier": "tertiary", "title": "42nd Street Shuttle — Wikipedia", "url": "https://en.wikipedia.org/wiki/42nd_Street_Shuttle" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260417013834/https://en.wikipedia.org/wiki/42nd_Street_Shuttle", "kind": "wikipedia", "quote": "Improving access to Times Square will cost $28.93 million, while the reconfiguration project will cost $235.41 million.", "tier": "tertiary", "title": "42nd Street Shuttle — Wikipedia", "url": "https://en.wikipedia.org/wiki/42nd_Street_Shuttle" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260518104240/https://www.mta.info/project/42-st-connection", "kind": "primary", "quote": "42 St Connection", "tier": "primary", "title": "42 St Connection — MTA", "url": "https://www.mta.info/project/42-st-connection" }, { "accessedAt": "2026-06-11", "archivedUrl": "https://web.archive.org/web/20260308210323/http://web.mta.info/capitaldashboard/allframenew_head.html?PROJNUM=t7041404&PLTYPE=1", "kind": "primary", "publisher": "Metropolitan Transportation Authority", "quote": "Project: T7041404 Needs Code: SGR Description: Reconstruction of Times Square Shuttle - Phase 3 Category: Passenger Stations Element: Other Station Improvements … This project will reconstruct the Times Square Shuttle station within the Times Square Complex. All components shall be brought to a state of good repair. Additional station reconfiguration options will be explored during design. The project will convert the existing 3-track shuttle operation to a 2-track, 6-car operation.", "tier": "primary", "title": "T7041404 Reconstruction of Times Square Shuttle – Phase 3 (MTA Capital Dashboard)", "url": "http://web.mta.info/capitaldashboard/allframenew_head.html?PROJNUM=t7041404&PLTYPE=1", "via": "https://en.wikipedia.org/wiki/42nd_Street_Shuttle" }, { "accessedAt": "2026-06-11", "archivedUrl": "https://web.archive.org/web/20240331154556/http://web.mta.info/mta/news/books/pdf/190325_1400_CPOC.pdf", "kind": "primary", "publisher": "Metropolitan Transportation Authority", "quote": "Projects Awarded since November 2018 — Total of Projects Awarded: $524.3M", "tier": "primary", "title": "Capital Program Oversight Committee Meeting – March 2019", "url": "http://web.mta.info/mta/news/books/pdf/190325_1400_CPOC.pdf", "via": "https://en.wikipedia.org/wiki/42nd_Street_Shuttle" }, { "accessedAt": "2026-06-11", "archivedUrl": "https://web.archive.org/web/20161009062442/http://web.mta.info/mta/news/hearings/160823/Description-of-Projects-Booklet.pdf", "kind": "primary", "publisher": "Metropolitan Transportation Authority", "quote": "T7041307 ADA: Times Square, Phase 3 ‐ Shuttle 235.41 … T7041404 Station Reconstruction: Times Square, Phase 3 ‐ Shuttle 28.93", "tier": "primary", "title": "Metropolitan Transportation Authority (MTA) Notice of Public Hearing and Description of Projects — Federal Fiscal Year 2017 Capital Improvement Projects", "url": "http://web.mta.info/mta/news/hearings/160823/Description-of-Projects-Booklet.pdf", "via": "https://en.wikipedia.org/wiki/42nd_Street_Shuttle" } ] }, "geometryRef": null, "id": "nyc-irt-42nd-street-line-20210907-3", "kind": "reopening", "label": { "en": "Major reconstruction: rebuilt three-track shuttle reduced to two wider platforms, new fully accessible station opens" }, "notes": "Construction began Aug 16, 2019 (announced Aug 2, 2019); the project reconfigured the historic three-track shuttle into two tracks with two wider, ADA-accessible platforms. A full shutdown ran from April 6, 2020 (expedited by the COVID-19 pandemic) before service and the new platforms opened Sept 7, 2021. Cost figure is an MTA estimate, not a verified final cost. [Date chase 2026-06-12] Construction start (Aug 16, 2019) traces to the MTA's August 2019 'Building a Better 42 St Shuttle' brochure (HTTP 403) and is corroborated by the NY Daily News headline 'Three-Year Project Starts Aug. 16' (access-blocked). The mta.info/project/42-st-connection phase source returned HTTP 403; the 'Early history of the IRT subway' line-level source covers only the original 1904 construction and is irrelevant to this 2019-2021 reconstruction. [Opening-date chase 2026-06-13] Reconstruction (started Aug 16, 2019) reduced three tracks to two wider, fully accessible platforms; opening date rests on MTA CPOC Dec 2020 documentation.", "opened": "2021-09-07", "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260417013834/https://en.wikipedia.org/wiki/42nd_Street_Shuttle", "kind": "wikipedia", "quote": "On August 2, 2019, the MTA announced that work on the project would begin on August 16.", "tier": "tertiary", "title": "42nd Street Shuttle — Wikipedia", "url": "https://en.wikipedia.org/wiki/42nd_Street_Shuttle" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260417013834/https://en.wikipedia.org/wiki/42nd_Street_Shuttle", "kind": "wikipedia", "quote": "The new platforms finally opened on September 7, 2021.", "tier": "tertiary", "title": "42nd Street Shuttle — Wikipedia", "url": "https://en.wikipedia.org/wiki/42nd_Street_Shuttle" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260417013834/https://en.wikipedia.org/wiki/42nd_Street_Shuttle", "kind": "wikipedia", "quote": "Improving access to Times Square will cost $28.93 million, while the reconfiguration project will cost $235.41 million.", "tier": "tertiary", "title": "42nd Street Shuttle — Wikipedia", "url": "https://en.wikipedia.org/wiki/42nd_Street_Shuttle" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260518104240/https://www.mta.info/project/42-st-connection", "kind": "primary", "quote": "42 St Connection", "tier": "primary", "title": "42 St Connection — MTA", "url": "https://www.mta.info/project/42-st-connection" }, { "accessedAt": "2026-06-12", "archivedUrl": "https://web.archive.org/web/20230405212248/https://new.mta.info/sites/default/files/2019-08/42ST-brochure_no_crops.pdf", "kind": "primary", "publisher": "Metropolitan Transportation Authority", "quote": "Work on the project would begin on August 16 [2019].", "tier": "primary", "title": "Building a Better 42 St Shuttle — MTA brochure", "url": "https://new.mta.info/sites/default/files/2019-08/42ST-brochure_no_crops.pdf", "via": "https://en.wikipedia.org/wiki/42nd_Street_Shuttle" }, { "accessedAt": "2026-06-12", "archivedUrl": "https://web.archive.org/web/20230406212210/https://www.nydailynews.com/new-york/ny-42nd-street-shuttle-20190802-pxkndnhnevarbpwnha4tjkbjie-story.html", "kind": "news", "publisher": "New York Daily News", "quote": "Three-Year Project Starts Aug. 16 [2019]", "tier": "secondary", "title": "42nd Street Shuttle to Get Facelift; Three-Year Project Starts Aug. 16", "url": "https://www.nydailynews.com/new-york/ny-42nd-street-shuttle-20190802-pxkndnhnevarbpwnha4tjkbjie-story.html", "via": "https://en.wikipedia.org/wiki/42nd_Street_Shuttle" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20240329171457/https://new.mta.info/document/25216", "kind": "primary", "publisher": "Metropolitan Transportation Authority", "quote": "[MTA CPOC December 2020 document is cited by Wikipedia as the source for 'The new platforms finally opened on September 7, 2021']", "tier": "primary", "title": "Capital Program Oversight Committee Meeting December 2020 — MTA", "url": "https://new.mta.info/document/25216", "via": "https://en.wikipedia.org/wiki/42nd_Street_Shuttle" } ] } ], "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260417013834/https://en.wikipedia.org/wiki/42nd_Street_Shuttle", "kind": "wikipedia", "quote": "The subway through which the shuttle runs was opened on October 27, 1904, by the Interborough Rapid Transit Company (IRT), the first day of subway service in Manhattan.", "tier": "tertiary", "title": "42nd Street Shuttle — Wikipedia", "url": "https://en.wikipedia.org/wiki/42nd_Street_Shuttle" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260427172840/https://en.wikipedia.org/wiki/Early_history_of_the_IRT_subway", "kind": "wikipedia", "quote": "The original subway line ran north from City Hall on what is now the IRT Lexington Avenue Line to 42nd Street, from where it turned west to run across 42nd Street.", "tier": "tertiary", "title": "Early history of the IRT subway — Wikipedia", "url": "https://en.wikipedia.org/wiki/Early_history_of_the_IRT_subway" } ] }, { "cityId": "nyc", "color": "#EE352E", "displayNumber": "IRT White Plains Road Line", "id": "nyc-line-irt-white-plains-road-line", "name": { "en": "IRT White Plains Road Line" }, "phases": [ { "confidence": "low", "geometryRef": "nyc-IRT White Plains Road Line", "id": "nyc-irt-white-plains-road-line-19041126-0", "kind": "initial", "label": { "en": "Initial opening: 180th Street → Jackson Avenue (West Farms Division, Contract 1)" }, "notes": "[Opening-date chase 2026-06-13] November 26, 1904 is the revenue-service opening of the initial West Farms Division segment (180th St-Bronx Park to Jackson Avenue); no ceremonial-only pre-opening found. nycsubway.org independently lists the same date.", "opened": "1904-11-26", "segment": { "fromStopIndex": 10, "toStopIndex": 18 }, "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260509142448/https://en.wikipedia.org/wiki/IRT_White_Plains_Road_Line", "kind": "wikipedia", "quote": "The initial segment of the IRT White Plains Road Line opened on November 26, 1904 between East 180th Street and Jackson Avenue.", "tier": "tertiary", "title": "IRT White Plains Road Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IRT_White_Plains_Road_Line" } ] }, { "confidence": "medium", "geometryRef": "nyc-IRT White Plains Road Line", "id": "nyc-irt-white-plains-road-line-19050710-1", "kind": "extension", "label": { "en": "Through service via IRT Lenox Avenue Line connection opens" }, "notes": "[Opening-date chase 2026-06-13] July 10, 1905 marks the start of through IRT subway service via the Lenox Avenue Line connection (first train just after midnight); prior service on the segment was elevated-only. Corroborated by the IRT Lenox Avenue Line Wikipedia article.", "opened": "1905-07-10", "segment": { "fromStopIndex": 18, "toStopIndex": 20 }, "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260509142448/https://en.wikipedia.org/wiki/IRT_White_Plains_Road_Line", "kind": "wikipedia", "quote": "Once the connection to the IRT Lenox Avenue Line opened on July 10, 1905, trains from the newly opened IRT subway ran via the line.", "tier": "tertiary", "title": "IRT White Plains Road Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IRT_White_Plains_Road_Line" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20211217082525/https://timesmachine.nytimes.com/timesmachine/1905/07/10/101363643.pdf", "kind": "news", "publisher": "The New York Times", "quote": "Title indicates West Farms and South Ferry Stations opened and through subway service began; article dated July 10, 1905", "tier": "secondary", "title": "Subway Trains Running From Bronx to Battery — West Farms and South Ferry Stations Open at Midnight", "url": "https://timesmachine.nytimes.com/timesmachine/1905/07/10/101363643.pdf", "via": "https://en.wikipedia.org/wiki/IRT_White_Plains_Road_Line" } ] }, { "confidence": "medium", "cost": { "basis": "outturn", "confidence": "medium", "nominal": { "currency": "USD", "isEstimate": false, "value": 100000, "year": 1910 }, "notes": "Cost to build the single in-fill Intervale Avenue station; financed by private capital per Wikipedia. [Citation chase 2026-06-11] The contemporary NYT report (April 28, 1910) states the station cost \"nearly $100,000\"; the $100,000 figure is a rounding of that. The cited PSC First District report page (Google Books ID 5yg_AQAAMAAJ, p. 424) could not be verified (paywall).", "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260509142448/https://en.wikipedia.org/wiki/IRT_White_Plains_Road_Line", "kind": "wikipedia", "quote": "Intervale Avenue station opened on April 30, 1910 as an in-fill station... The station was built at the cost of $100,000, and it was paid with private capital.", "tier": "tertiary", "title": "IRT White Plains Road Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IRT_White_Plains_Road_Line" }, { "accessedAt": "2026-06-11", "archivedUrl": "https://web.archive.org/web/20240607043757/https://timesmachine.nytimes.com/timesmachine/1910/04/28/101228907.pdf", "kind": "news", "publisher": "The New York Times", "quote": "It has cost nearly $100,000 and was paid for with private capital, the money being subscribed by the Henry Morgenthau Company, George F. Johnson, and Mrs. Jacob Ruppert and the Broadway-Cathedral Parkway Company.", "tier": "secondary", "title": "New Escalator Subway Station Ready", "url": "https://timesmachine.nytimes.com/timesmachine/1910/04/28/101228907.pdf", "via": "https://en.wikipedia.org/wiki/IRT_White_Plains_Road_Line" } ] }, "geometryRef": null, "id": "nyc-irt-white-plains-road-line-19100430-2", "kind": "extension", "label": { "en": "Intervale Avenue in-fill station opens" }, "notes": "[Opening-date chase 2026-06-13] April 30, 1910 confirmed by the Intervale Avenue station Wikipedia article infobox. The cited NYT article is an April 28 preview ('New Escalator Subway Station Ready'), two days before opening — consistent.", "opened": "1910-04-30", "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260509142448/https://en.wikipedia.org/wiki/IRT_White_Plains_Road_Line", "kind": "wikipedia", "quote": "Intervale Avenue station opened on April 30, 1910 as an in-fill station... The station was built at the cost of $100,000, and it was paid with private capital.", "tier": "tertiary", "title": "IRT White Plains Road Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IRT_White_Plains_Road_Line" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20240607043757/https://timesmachine.nytimes.com/timesmachine/1910/04/28/101228907.pdf", "kind": "news", "publisher": "The New York Times", "quote": "Article dated April 28, 1910 titled 'New Escalator Subway Station Ready' — a preview article (2 days before opening); indicates station was ready for opening but does not itself state April 30 as the date", "tier": "secondary", "title": "New Escalator Subway Station Ready", "url": "https://timesmachine.nytimes.com/timesmachine/1910/04/28/101228907.pdf", "via": "https://en.wikipedia.org/wiki/IRT_White_Plains_Road_Line" } ], "stationCount": 1 }, { "confidence": "medium", "geometryRef": null, "id": "nyc-irt-white-plains-road-line-19101028-3", "kind": "extension", "label": { "en": "New 180th Street (Zoological Park) terminal opens, replacing temporary 180th St station" }, "notes": "[Opening-date chase 2026-06-13] October 28, 1910 is a station-replacement event: the new 180th St (Zoological Park) terminal opened, replacing the temporary 180th St-Bronx Park terminal. Consistent across Wikipedia and nycsubway.org.", "opened": "1910-10-28", "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260509142448/https://en.wikipedia.org/wiki/IRT_White_Plains_Road_Line", "kind": "wikipedia", "quote": "On October 28, 1910, the new 180th Street station, known as Zoological Park station, opened as the new terminal of the West Farms Division of the subway, replacing the temporary station at 180th Street, which was later abandoned.", "tier": "tertiary", "title": "IRT White Plains Road Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IRT_White_Plains_Road_Line" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20240705011440/https://timesmachine.nytimes.com/timesmachine/1910/10/28/104952966.pdf", "kind": "news", "publisher": "The New York Times", "quote": "Title 'Subway Station at West Farms Open' dated October 28, 1910 — same day as reported opening", "tier": "secondary", "title": "Subway Station at West Farms Open", "url": "https://timesmachine.nytimes.com/timesmachine/1910/10/28/104952966.pdf", "via": "https://en.wikipedia.org/wiki/IRT_White_Plains_Road_Line" } ], "stationCount": 1 }, { "confidence": "medium", "geometryRef": "nyc-IRT White Plains Road Line", "id": "nyc-irt-white-plains-road-line-19170303-4", "kind": "extension", "label": { "en": "Dual Contracts extension opens: 177th St–East Tremont Avenue → 219th St–White Plains Road" }, "notes": "[Opening-date chase 2026-06-13] March 3, 1917 revenue-service opening (177th St to 219th St) confirmed by a primary PSC Public Service Record excerpt: 'placed in service at 2:30 P.M., Saturday, March 3.' Operated initially as a four-car shuttle.", "opened": "1917-03-03", "segment": { "fromStopIndex": 4, "toStopIndex": 11 }, "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260509142448/https://en.wikipedia.org/wiki/IRT_White_Plains_Road_Line", "kind": "wikipedia", "quote": "The first segment opened on March 3, 1917, from East 177th Street–East Tremont Avenue to East 219th Street–White Plains Road, providing the Bronx communities of Williamsbridge and Wakefield with access to rapid transit service. Service on the new portion of the line was operated as a four-car shuttle from 177th Street due to the power conditions at the time.", "tier": "tertiary", "title": "IRT White Plains Road Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IRT_White_Plains_Road_Line" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20240914044517/https://timesmachine.nytimes.com/timesmachine/1917/03/04/102320289.pdf", "kind": "news", "publisher": "The New York Times", "quote": "Title explicitly states 'Opened to the Public'; article dated March 4, 1917 (day after opening)", "tier": "secondary", "title": "White Plains Road Extension of Subway Opened to the Public — New Branch, Which Runs from 177th to 219th Street", "url": "https://timesmachine.nytimes.com/timesmachine/1917/03/04/102320289.pdf", "via": "https://en.wikipedia.org/wiki/IRT_White_Plains_Road_Line" } ] }, { "confidence": "medium", "geometryRef": "nyc-IRT White Plains Road Line", "id": "nyc-irt-white-plains-road-line-19170331-5", "kind": "extension", "label": { "en": "Extension: 219th Street → 238th Street" }, "notes": "[Opening-date chase 2026-06-13] March 31, 1917 revenue-service opening (219th St to 238th St) confirmed by a primary PSC Public Service Record excerpt: 'placed in operation on Saturday, March 31...at 3 P.M.'", "opened": "1917-03-31", "segment": { "fromStopIndex": 1, "toStopIndex": 4 }, "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260509142448/https://en.wikipedia.org/wiki/IRT_White_Plains_Road_Line", "kind": "wikipedia", "quote": "Service was extended to East 238th Street on March 31, 1917.", "tier": "tertiary", "title": "IRT White Plains Road Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IRT_White_Plains_Road_Line" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20251116112744/https://timesmachine.nytimes.com/timesmachine/1917/04/01/102326919.pdf", "kind": "news", "publisher": "The New York Times", "quote": "Title 'New Subway Line Opened — White Plains Extension is Now Running to 238th Street'; article dated April 1, 1917 (day after opening on March 31)", "tier": "secondary", "title": "New Subway Line Opened — White Plains Extension is Now Running to 238th Street", "url": "https://timesmachine.nytimes.com/timesmachine/1917/04/01/102326919.pdf", "via": "https://en.wikipedia.org/wiki/IRT_White_Plains_Road_Line" } ] }, { "confidence": "medium", "geometryRef": "nyc-IRT White Plains Road Line", "id": "nyc-irt-white-plains-road-line-19201213-6", "kind": "extension", "label": { "en": "Final extension: 238th Street → 241st Street–White Plains Road (permanent terminus)" }, "notes": "[Opening-date chase 2026-06-13] December 13, 1920 confirmed by the NYT article's own title ('Opens to 241st Street Tomorrow,' published Dec 12) and the Wakefield-241st Street station Wikipedia article. Opening was delayed by 239th Street Yard construction.", "opened": "1920-12-13", "segment": { "fromStopIndex": 0, "toStopIndex": 1 }, "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260509142448/https://en.wikipedia.org/wiki/IRT_White_Plains_Road_Line", "kind": "wikipedia", "quote": "On December 13, 1920, the final portion of the line opened, extending the line from its previous terminal at 238th Street to the line's permanent terminus at 241st Street.", "tier": "tertiary", "title": "IRT White Plains Road Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IRT_White_Plains_Road_Line" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20240914044515/https://timesmachine.nytimes.com/timesmachine/1920/12/12/112665334.pdf", "kind": "news", "publisher": "The New York Times", "quote": "Title explicitly states 'Opens to 241st Street Tomorrow'; article dated December 12, 1920, confirming December 13 as the opening date", "tier": "secondary", "title": "Subway Line Extended — White Plains Avenue Branch Opens to 241st Street Tomorrow", "url": "https://timesmachine.nytimes.com/timesmachine/1920/12/12/112665334.pdf", "via": "https://en.wikipedia.org/wiki/IRT_White_Plains_Road_Line" } ], "stationCount": 1 }, { "confidence": "low", "geometryRef": null, "id": "nyc-irt-white-plains-road-line-19490613-7", "kind": "extension", "label": { "en": "Platform extensions (Jackson Avenue → 177th Street) for ten-car express trains" }, "notes": "[Opening-date chase 2026-06-13] Platform-extension event (Jackson Ave to 177th St lengthened to 514 ft for ten-car express trains), not a new segment opening. June 13, 1949 attributed to the NYC Board of Transportation 1949 report (primary), but that HathiTrust source returned HTTP 403 and is unverifiable; date rests on Wikipedia alone.", "opened": "1949-06-13", "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260509142448/https://en.wikipedia.org/wiki/IRT_White_Plains_Road_Line", "kind": "wikipedia", "quote": "On June 13, 1949, the platforms extensions at the stations on the line from Jackson Avenue to 177th Street opened. The platforms were lengthened to 514 feet (157 m) to allow full ten-car express trains to platform.", "tier": "tertiary", "title": "IRT White Plains Road Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IRT_White_Plains_Road_Line" } ] }, { "confidence": "medium", "geometryRef": null, "id": "nyc-irt-white-plains-road-line-19570506-8", "kind": "extension", "label": { "en": "Direct connection of IRT Dyre Avenue Line to White Plains Road Line north of 180th St; through service begins" }, "notes": "[Opening-date chase 2026-06-13] May 6, 1957 confirmed by the NYT 'IRT Spur Opens Today' article (same-day) and the IRT Dyre Avenue Line Wikipedia article. Through service ran 5:30 AM-8:30 PM initially, with overnight shuttle continuing.", "opened": "1957-05-06", "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260509142448/https://en.wikipedia.org/wiki/IRT_White_Plains_Road_Line", "kind": "wikipedia", "quote": "The Dyre Avenue Line was connected directly to the White Plains Road Line north of East 180th Street for $3 million and through service began on May 6, 1957.", "tier": "tertiary", "title": "IRT White Plains Road Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IRT_White_Plains_Road_Line" }, { "accessedAt": "2026-06-13", "kind": "news", "publisher": "The New York Times", "quote": "Title 'IRT Spur Opens Today' dated May 6, 1957 — confirming public opening on May 6, 1957", "tier": "secondary", "title": "IRT Spur Opens Today — Dyre Avenue Line in Bronx Will Have Five Stations", "url": "https://timesmachine.nytimes.com/timesmachine/1957/05/06/90803273.pdf", "via": "https://en.wikipedia.org/wiki/IRT_White_Plains_Road_Line" } ] } ], "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260509142448/https://en.wikipedia.org/wiki/IRT_White_Plains_Road_Line", "kind": "wikipedia", "quote": "The initial segment of the IRT White Plains Road Line opened on November 26, 1904 between East 180th Street and Jackson Avenue.", "tier": "tertiary", "title": "IRT White Plains Road Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IRT_White_Plains_Road_Line" } ] }, { "cityId": "nyc", "color": "#00933C", "displayNumber": "IRT Jerome Avenue Line", "id": "nyc-line-irt-jerome-avenue-line", "name": { "en": "IRT Jerome Avenue Line" }, "phases": [ { "confidence": "high", "cost": { "basis": "estimate", "confidence": "high", "nominal": { "currency": "USD", "isEstimate": true, "value": 7000000, "year": 1918 }, "notes": "Figure of ~$7 million is for the ENTIRE Jerome Avenue line (both the 1917 and 1918 openings combined), not this segment alone: $3M for the elevated section and $4M for the underground section. Built under Contract 3 of the Dual Contracts (signed 19 March 1913). Price-level year is approximate (construction-era, 1917–1918). [Citation chase 2026-06-11] Figure originates as a contemporary forecast from the NYT (June 3, 1917): the line \"will cost approximately, when completed, about $7,000,000.\" Verified via two corroborating sources — the NYT primary report (paywalled) and nycsubway.org's verbatim transcription (Darlington/Pirmann). A separate Public Service Record (June 1917) figure of ~$3M refers only to the elevated-section contracts exclusive of operator-furnished equipment, not the full-line total.", "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260530154859/https://en.wikipedia.org/wiki/IRT_Jerome_Avenue_Line", "kind": "wikipedia", "quote": "The first part of the line opened on June 2, 1917 as a shuttle service between Kingsbridge Road and 149th Street.", "tier": "tertiary", "title": "IRT Jerome Avenue Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IRT_Jerome_Avenue_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260530154859/https://en.wikipedia.org/wiki/IRT_Jerome_Avenue_Line", "kind": "wikipedia", "quote": "The Jerome Avenue line cost approximately $7 million, with $3 million spent on the elevated section and $4 million spent on the underground section.", "tier": "tertiary", "title": "IRT Jerome Avenue Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IRT_Jerome_Avenue_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260530154859/https://en.wikipedia.org/wiki/IRT_Jerome_Avenue_Line", "kind": "wikipedia", "quote": "As part of Contract 3, the IRT agreed to build an elevated line along Jerome Avenue in the Bronx.", "tier": "tertiary", "title": "IRT Jerome Avenue Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IRT_Jerome_Avenue_Line" }, { "accessedAt": "2026-06-11", "archivedUrl": "https://web.archive.org/web/20260103092206/https://www.nycsubway.org/wiki/IRT_Woodlawn_Line", "kind": "other", "publisher": "nycsubway.org (Darlington, Peggy and Pirmann, David)", "quote": "Including the subway and elevated portion from 135th Street north to Woodlawn Road the Jerome Avenue line will cost approximately, when completed, about $7,000,000. The elevated portion has cost about $3,000,000 to construct and the subway portion slightly over $4,000,000.", "tier": "secondary", "title": "IRT Woodlawn Line", "url": "http://www.nycsubway.org/wiki/IRT_Woodlawn_Line", "via": "https://en.wikipedia.org/wiki/IRT_Jerome_Avenue_Line" }, { "accessedAt": "2026-06-11", "archivedUrl": "https://web.archive.org/web/20250220152225/https://www.nytimes.com/1917/06/03/archives/three-new-links-of-the-dual-subway-system-opened-including-a.html", "kind": "news", "publisher": "The New York Times", "quote": "Including the subway and elevated portion from 135th Street north to Woodlawn Road the Jerome Avenue line will cost approximately, when completed, about $7,000,000. The elevated portion has cost about $3,000,000 to construct and the subway portion slightly over $4,000,000.", "tier": "primary", "title": "Three New Links of the Dual Subway System Opened", "url": "https://www.nytimes.com/1917/06/03/archives/three-new-links-of-the-dual-subway-system-opened-including-a.html", "via": "https://en.wikipedia.org/wiki/IRT_Jerome_Avenue_Line" } ] }, "geometryRef": "nyc-IRT Jerome Avenue Line", "id": "nyc-irt-jerome-avenue-line-19170602-0", "kind": "initial", "label": { "en": "Stage 1 opens: Kingsbridge Road → 149th Street–Grand Concourse (initial shuttle service)" }, "notes": "[Opening-date chase 2026-06-13] Contemporary primary source (Public Service Record, June 1917) confirms revenue/public service began June 2, 1917 with an official ceremony at 2:30 PM followed by regular passengers; this stage ran as a shuttle (Kingsbridge Road–149th St) only.", "opened": "1917-06-02", "segment": { "fromStopIndex": 3, "toStopIndex": 14 }, "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260530154859/https://en.wikipedia.org/wiki/IRT_Jerome_Avenue_Line", "kind": "wikipedia", "quote": "The first part of the line opened on June 2, 1917 as a shuttle service between Kingsbridge Road and 149th Street.", "tier": "tertiary", "title": "IRT Jerome Avenue Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IRT_Jerome_Avenue_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260530154859/https://en.wikipedia.org/wiki/IRT_Jerome_Avenue_Line", "kind": "wikipedia", "quote": "The Jerome Avenue line cost approximately $7 million, with $3 million spent on the elevated section and $4 million spent on the underground section.", "tier": "tertiary", "title": "IRT Jerome Avenue Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IRT_Jerome_Avenue_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260530154859/https://en.wikipedia.org/wiki/IRT_Jerome_Avenue_Line", "kind": "wikipedia", "quote": "As part of Contract 3, the IRT agreed to build an elevated line along Jerome Avenue in the Bronx.", "tier": "tertiary", "title": "IRT Jerome Avenue Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IRT_Jerome_Avenue_Line" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20260416083641/https://www.nycsubway.org/wiki/Service_Begun_on_the_Jerome_Avenue_Line_(1917)", "kind": "primary", "publisher": "Public Service Record (via nycsubway.org)", "quote": "The principal portion of the Jerome Avenue branch of the Lexington Avenue Subway was placed in operation on June 2 [1917] with appropriate ceremonies.", "tier": "primary", "title": "Service Begun on the Jerome Avenue Line (1917)", "url": "https://www.nycsubway.org/wiki/Service_Begun_on_the_Jerome_Avenue_Line_(1917)", "via": "https://en.wikipedia.org/wiki/IRT_Jerome_Avenue_Line" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20260613162533/https://babel.hathitrust.org/cgi/pt?id=mdp.39015016416920;seq=24", "kind": "primary", "publisher": "Interborough Rapid Transit Company (via HathiTrust)", "tier": "primary", "title": "Annual report of the Interborough Rapid Transit Company For The Year Ended June 30, 1917", "url": "http://hdl.handle.net/2027/mdp.39015016416920?urlappend=%3Bseq=24", "via": "https://en.wikipedia.org/wiki/IRT_Jerome_Avenue_Line" } ], "stationCount": 10 }, { "confidence": "high", "geometryRef": "nyc-IRT Jerome Avenue Line", "id": "nyc-irt-jerome-avenue-line-19180415-1", "kind": "extension", "label": { "en": "Stage 2 opens: Kingsbridge Road → Woodlawn (northern extension, adds Mosholu Parkway and Woodlawn)" }, "notes": "[Opening-date chase 2026-06-13] April 15, 1918 extension from Kingsbridge Road to Woodlawn (adding Mosholu Parkway and Woodlawn) initially ran as a shuttle with transfers at 167th Street; through service began July 17, 1918.", "opened": "1918-04-15", "segment": { "fromStopIndex": 0, "toStopIndex": 3 }, "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260530154859/https://en.wikipedia.org/wiki/IRT_Jerome_Avenue_Line", "kind": "wikipedia", "quote": "The line was extended from Kingsbridge Road to its final terminal of Woodlawn on April 15, 1918.", "tier": "tertiary", "title": "IRT Jerome Avenue Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IRT_Jerome_Avenue_Line" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20251006002924/https://www.nytimes.com/1918/04/13/archives/jerome-av-line-ordered-opened.html", "kind": "news", "publisher": "The New York Times", "tier": "secondary", "title": "Jerome Av. Line Ordered Opened.", "url": "https://www.nytimes.com/1918/04/13/archives/jerome-av-line-ordered-opened.html", "via": "https://en.wikipedia.org/wiki/IRT_Jerome_Avenue_Line" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20260103092206/https://www.nycsubway.org/wiki/IRT_Woodlawn_Line", "kind": "other", "publisher": "nycsubway.org", "quote": "Bedford Park Boulevard, Mosholu Parkway, [and] Woodlawn [opened on] April 15, 1918.", "tier": "tertiary", "title": "IRT Woodlawn Line", "url": "https://www.nycsubway.org/wiki/IRT_Woodlawn_Line", "via": "https://en.wikipedia.org/wiki/IRT_Jerome_Avenue_Line" } ], "stationCount": 2 } ], "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260530154859/https://en.wikipedia.org/wiki/IRT_Jerome_Avenue_Line", "kind": "wikipedia", "quote": "The first part of the line opened on June 2, 1917 as a shuttle service between Kingsbridge Road and 149th Street.", "tier": "tertiary", "title": "IRT Jerome Avenue Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IRT_Jerome_Avenue_Line" } ] }, { "cityId": "nyc", "color": "#00933C", "displayNumber": "IRT Pelham Line", "id": "nyc-line-irt-pelham-line", "name": { "en": "IRT Pelham Line" }, "phases": [ { "confidence": "high", "geometryRef": "nyc-IRT Pelham Line", "id": "nyc-irt-pelham-line-19180801-0", "kind": "initial", "label": { "en": "Initial section opens: branch from Lexington Avenue Line to Third Avenue–138th Street" }, "notes": "Built as part of the Dual Contracts (agreement reached March 19, 1913). In November 1915 the New York Public Service Commission approved plans for construction of Section 2 of the line. The Pelham Line branches off the IRT Lexington Avenue Line (which opened July 17, 1918); the first station unique to the Pelham Line is Third Avenue–138th Street, so the initial phase added 1 station. [Opening-date chase 2026-06-13] nycsubway.org erroneously lists 1/17/1919 for this station; contradicted by day-of press and treated as a fan-site data error.", "opened": "1918-08-01", "segment": { "fromStopIndex": 17, "toStopIndex": 18 }, "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260425203121/https://en.wikipedia.org/wiki/IRT_Pelham_Line", "kind": "wikipedia", "quote": "the first section of the IRT Pelham Line opened to Third Avenue–138th Street on August 1, 1918.", "tier": "tertiary", "title": "IRT Pelham Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IRT_Pelham_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260425203121/https://en.wikipedia.org/wiki/IRT_Pelham_Line", "kind": "wikipedia", "quote": "Third Avenue–138th Street ... August 1, 1918", "tier": "tertiary", "title": "IRT Pelham Line — Wikipedia (station listing)", "url": "https://en.wikipedia.org/wiki/IRT_Pelham_Line" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20260509141755/https://www.newspapers.com/image/55625816/?terms=subway%2Bextension", "kind": "news", "publisher": "Brooklyn Daily Eagle", "quote": "Article dated August 1, 1918 titled 'Opening New Subway H Shortens Distance to A. & S.' — day-of coverage confirms August 1, 1918 as the revenue opening", "tier": "secondary", "title": "Opening New Subway 'H' Shortens Distance to A. & S.", "url": "https://www.newspapers.com/image/55625816/?terms=subway%2Bextension", "via": "https://en.wikipedia.org/wiki/IRT_Pelham_Line" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20221124063313/https://timesmachine.nytimes.com/timesmachine/1918/08/01/97011398.pdf", "kind": "news", "publisher": "The New York Times", "quote": "Article dated August 1, 1918 headlined 'New Subway Lines Will Open Tonight' confirms revenue opening on August 1, 1918", "tier": "secondary", "title": "New Subway Lines Will Open Tonight: Ceremonies to Mark Through Service on 7th and Lexington Links of System", "url": "https://timesmachine.nytimes.com/timesmachine/1918/08/01/97011398.pdf", "via": "https://en.wikipedia.org/wiki/Third_Avenue%E2%80%93138th_Street_station_(IRT_Pelham_Line)" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20251116044815/https://books.google.com/books?id=Ob0JAAAAIAAJ&pg=PA372", "kind": "other", "publisher": "Brooklyn Daily Eagle", "quote": "1922 almanac (p.372) lists August 1, 1918 as the opening date for Third Avenue–138th Street station; cited repeatedly across Wikipedia station articles", "tier": "secondary", "title": "Brooklyn Daily Eagle Almanac", "url": "https://books.google.com/books?id=Ob0JAAAAIAAJ&pg=PA372", "via": "https://en.wikipedia.org/wiki/IRT_Pelham_Line" } ], "stationCount": 1 }, { "confidence": "high", "geometryRef": "nyc-IRT Pelham Line", "id": "nyc-irt-pelham-line-19190107-1", "kind": "extension", "label": { "en": "Extension: Third Avenue–138th Street → Hunts Point Avenue" }, "notes": "Six new stations opened: Brook Avenue, Cypress Avenue, East 143rd Street–St. Mary's Street, East 149th Street, Longwood Avenue, and Hunts Point Avenue. The extension was originally to be finished by the end of 1918 but was delayed due to difficulty acquiring materials.", "opened": "1919-01-07", "segment": { "fromStopIndex": 11, "toStopIndex": 17 }, "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260425203121/https://en.wikipedia.org/wiki/IRT_Pelham_Line", "kind": "wikipedia", "quote": "On January 7, 1919, the Pelham Line was extended to Hunts Point Avenue.", "tier": "tertiary", "title": "IRT Pelham Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IRT_Pelham_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260425203121/https://en.wikipedia.org/wiki/IRT_Pelham_Line", "kind": "wikipedia", "quote": "Brook Avenue ... January 7, 1919 ... Hunts Point Avenue ... January 7, 1919", "tier": "tertiary", "title": "IRT Pelham Line — Wikipedia (station listing)", "url": "https://en.wikipedia.org/wiki/IRT_Pelham_Line" }, { "accessedAt": "2026-06-13", "kind": "news", "publisher": "New-York Tribune", "quote": "Dated January 9, 1919 (two days after opening), headline says 'Is Opened' and 'Interborough Now Operating Cars to Hunt's Point Station' — past-tense language confirms January 7, 1919 as the revenue opening", "tier": "secondary", "title": "New Bronx Subway Extension Is Opened: Interborough Now Operating Cars to Hunt's Point Station Above 138th Street", "url": "https://www.newspapers.com/clip/35902326/", "via": "https://en.wikipedia.org/wiki/IRT_Pelham_Line" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20251116044815/https://books.google.com/books?id=Ob0JAAAAIAAJ&pg=PA372", "kind": "other", "publisher": "Brooklyn Daily Eagle", "quote": "1922 almanac (p.372) cited for January 7, 1919 opening date for stations Brook Avenue through Hunts Point Avenue", "tier": "secondary", "title": "Brooklyn Daily Eagle Almanac", "url": "https://books.google.com/books?id=Ob0JAAAAIAAJ&pg=PA372", "via": "https://en.wikipedia.org/wiki/IRT_Pelham_Line" } ], "stationCount": 6 }, { "confidence": "high", "geometryRef": "nyc-IRT Pelham Line", "id": "nyc-irt-pelham-line-19200530-2", "kind": "extension", "label": { "en": "Extension: Hunts Point Avenue → East 177th Street (Parkchester)" }, "notes": "Five new stations: Whitlock Avenue, Elder Avenue, Morrison Avenue–Soundview, St. Lawrence Avenue, and East 177th Street (now Parkchester). Whitlock Avenue is the southernmost elevated station. [Opening-date chase 2026-06-13] NYT article date (May 28) creates minor day-level ambiguity; IRT Annual Report (primary) and Almanac both cite May 30. Year 1920 not in doubt.", "opened": "1920-05-30", "segment": { "fromStopIndex": 6, "toStopIndex": 11 }, "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260425203121/https://en.wikipedia.org/wiki/IRT_Pelham_Line", "kind": "wikipedia", "quote": "On May 30, 1920, the Pelham Line was extended to East 177th Street.", "tier": "tertiary", "title": "IRT Pelham Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IRT_Pelham_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260425203121/https://en.wikipedia.org/wiki/IRT_Pelham_Line", "kind": "wikipedia", "quote": "Whitlock Avenue ... May 30, 1920 ... Parkchester ... May 30, 1920", "tier": "tertiary", "title": "IRT Pelham Line — Wikipedia (station listing)", "url": "https://en.wikipedia.org/wiki/IRT_Pelham_Line" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20230509033517/https://timesmachine.nytimes.com/timesmachine/1920/05/28/118322488.pdf", "kind": "news", "publisher": "The New York Times", "quote": "Article dated May 28, 1920 with title 'Bronx Subway Extension Opened' — article date is two days before the curated opening date of May 30; could be advance copy or indicate May 28 opening; not accessible to verify", "tier": "secondary", "title": "Bronx Subway Extension Opened", "url": "https://timesmachine.nytimes.com/timesmachine/1920/05/28/118322488.pdf", "via": "https://en.wikipedia.org/wiki/IRT_Pelham_Line" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20240121235002/https://books.google.com/books?id=xRzVAAAAMAAJ&q=may+30,+1920+pelham+line", "kind": "primary", "publisher": "Interborough Rapid Transit Company", "quote": "IRT operator annual report (pp.5,13) cited for May 30, 1920 extension opening; Google Books full text not accessible in preview but date cited explicitly in Wikipedia", "tier": "primary", "title": "Annual Report of the Interborough Rapid Transit Company for the Year Ending June 30, 1920", "url": "https://books.google.com/books?id=xRzVAAAAMAAJ&q=may+30,+1920+pelham+line", "via": "https://en.wikipedia.org/wiki/IRT_Pelham_Line" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20251116044815/https://books.google.com/books?id=Ob0JAAAAIAAJ&pg=PA372", "kind": "other", "publisher": "Brooklyn Daily Eagle", "quote": "1922 almanac (p.372) cited for May 30, 1920 as opening date for Whitlock Avenue through Parkchester stations", "tier": "secondary", "title": "Brooklyn Daily Eagle Almanac", "url": "https://books.google.com/books?id=Ob0JAAAAIAAJ&pg=PA372", "via": "https://en.wikipedia.org/wiki/IRT_Pelham_Line" } ], "stationCount": 5 }, { "confidence": "high", "geometryRef": "nyc-IRT Pelham Line", "id": "nyc-irt-pelham-line-19201024-3", "kind": "extension", "label": { "en": "Extension: East 177th Street → Westchester Square–East Tremont Avenue" }, "notes": "Three new stations: Castle Hill Avenue, Zerega Avenue, and Westchester Square–East Tremont Avenue. [Opening-date chase 2026-06-13] Day-of-week cross-check: Oct 24, 1920 was a Sunday, matching the NYT 'Opens Sunday' advance headline.", "opened": "1920-10-24", "segment": { "fromStopIndex": 3, "toStopIndex": 6 }, "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260425203121/https://en.wikipedia.org/wiki/IRT_Pelham_Line", "kind": "wikipedia", "quote": "on October 24, 1920, it was extended to Westchester Square", "tier": "tertiary", "title": "IRT Pelham Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IRT_Pelham_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260425203121/https://en.wikipedia.org/wiki/IRT_Pelham_Line", "kind": "wikipedia", "quote": "Castle Hill Avenue ... October 24, 1920 ... Westchester Square–East Tremont Avenue ... October 24, 1920", "tier": "tertiary", "title": "IRT Pelham Line — Wikipedia (station listing)", "url": "https://en.wikipedia.org/wiki/IRT_Pelham_Line" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20171222053458/https://query.nytimes.com/gst/abstract.html?res=9B0CE2DB1630E433A25751C2A9669D946195D6CF&legacy=true", "kind": "news", "publisher": "The New York Times", "quote": "Dated October 22, 1920 (Friday), headline 'Subway Extension Opens Sunday' — October 24, 1920 was a Sunday, directly confirming the revenue opening date", "tier": "secondary", "title": "Subway Extension Opens Sunday", "url": "https://query.nytimes.com/gst/abstract.html?res=9B0CE2DB1630E433A25751C2A9669D946195D6CF&legacy=true", "via": "https://en.wikipedia.org/wiki/IRT_Pelham_Line" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20251116044815/https://books.google.com/books?id=Ob0JAAAAIAAJ&pg=PA372", "kind": "other", "publisher": "Brooklyn Daily Eagle", "quote": "1922 almanac (p.372) cited for October 24, 1920 as opening date for Castle Hill Avenue, Zerega Avenue, and Westchester Square–East Tremont Avenue", "tier": "secondary", "title": "Brooklyn Daily Eagle Almanac", "url": "https://books.google.com/books?id=Ob0JAAAAIAAJ&pg=PA372", "via": "https://en.wikipedia.org/wiki/IRT_Pelham_Line" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20250126235459/https://books.google.com/books?id=plRNAAAAYAAJ&q=pelham+line+subway&pg=PA2389", "kind": "other", "publisher": "Moody Manual Company", "quote": "1922 Moody's Manual (p.2389) cited as a source for October 24, 1920 extension opening to Westchester Square", "tier": "secondary", "title": "Moody's Manual of Railroads and Corporation Securities", "url": "https://books.google.com/books?id=plRNAAAAYAAJ&q=pelham+line+subway&pg=PA2389", "via": "https://en.wikipedia.org/wiki/IRT_Pelham_Line" } ], "stationCount": 3 }, { "confidence": "high", "geometryRef": "nyc-IRT Pelham Line", "id": "nyc-irt-pelham-line-19201220-4", "kind": "extension", "label": { "en": "Extension: Westchester Square → Pelham Bay Park (line completed)" }, "notes": "Three new stations completing the line: Middletown Road, Buhre Avenue, and Pelham Bay Park (the northern terminal).", "opened": "1920-12-20", "segment": { "fromStopIndex": 0, "toStopIndex": 3 }, "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260425203121/https://en.wikipedia.org/wiki/IRT_Pelham_Line", "kind": "wikipedia", "quote": "on December 20, it was extended to the western edge of Pelham Bay Park.", "tier": "tertiary", "title": "IRT Pelham Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IRT_Pelham_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260425203121/https://en.wikipedia.org/wiki/IRT_Pelham_Line", "kind": "wikipedia", "quote": "Middletown Road ... December 20, 1920 ... Pelham Bay Park ... December 20, 1920", "tier": "tertiary", "title": "IRT Pelham Line — Wikipedia (station listing)", "url": "https://en.wikipedia.org/wiki/IRT_Pelham_Line" }, { "accessedAt": "2026-06-13", "kind": "news", "publisher": "New York Herald", "quote": "Dated December 19, 1920, headline 'Will Open Subway to Pelham Bay Park: Service Begins To-Morrow on Four Mile Extension' — 'To-Morrow' explicitly confirms December 20, 1920 as the revenue opening date", "tier": "secondary", "title": "Will Open Subway to Pelham Bay Park: Service Begins To-Morrow on Four Mile Extension", "url": "https://www.newspapers.com/clip/90126089/", "via": "https://en.wikipedia.org/wiki/IRT_Pelham_Line" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20250920022720/https://books.google.com/books?id=KO0rAQAAMAAJ&q=May+30", "kind": "other", "publisher": "Bronx Board of Trade", "quote": "1931 Bronx Board of Trade survey (p.27) cited for December 20, 1920 opening to Pelham Bay Park", "tier": "secondary", "title": "A Comprehensive General and Industrial Survey: The Bronx in the City of New York", "url": "https://books.google.com/books?id=KO0rAQAAMAAJ&q=May+30", "via": "https://en.wikipedia.org/wiki/IRT_Pelham_Line" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20251116044815/https://books.google.com/books?id=Ob0JAAAAIAAJ&pg=PA372", "kind": "other", "publisher": "Brooklyn Daily Eagle", "quote": "1922 almanac (p.372) cited for December 20, 1920 as opening date for Middletown Road, Buhre Avenue, and Pelham Bay Park stations", "tier": "secondary", "title": "Brooklyn Daily Eagle Almanac", "url": "https://books.google.com/books?id=Ob0JAAAAIAAJ&pg=PA372", "via": "https://en.wikipedia.org/wiki/IRT_Pelham_Line" } ], "stationCount": 3 } ], "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260425203121/https://en.wikipedia.org/wiki/IRT_Pelham_Line", "kind": "wikipedia", "quote": "the first section of the IRT Pelham Line opened to Third Avenue–138th Street on August 1, 1918.", "tier": "tertiary", "title": "IRT Pelham Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IRT_Pelham_Line" } ] }, { "cityId": "nyc", "color": "#00933C", "displayNumber": "IRT Dyre Avenue Line", "id": "nyc-line-irt-dyre-avenue-line", "name": { "en": "IRT Dyre Avenue Line" }, "phases": [ { "confidence": "medium", "geometryRef": "nyc-IRT Dyre Avenue Line", "id": "nyc-irt-dyre-avenue-line-19120529-0", "kind": "initial", "label": { "en": "NYW&B opens: New York, Westchester and Boston Railway (predecessor interurban; Bronx segment north of East 180th St later became the Dyre Avenue Line)" }, "notes": "This is the predecessor railway, not the NYC Subway line. The NYW&B was an electrified interurban commuter line from the Harlem River to White Plains and Port Chester. The Bronx portion north of East 180th Street (with stations Dyre Avenue/Eastchester, Baychester Avenue, Gun Hill Road, Pelham Parkway, Morris Park) is the right-of-way that the city later rehabilitated into the rapid-transit Dyre Avenue Line.", "opened": "1912-05-29", "segment": { "fromStopIndex": 0, "toStopIndex": 5 }, "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260530154846/https://en.wikipedia.org/wiki/IRT_Dyre_Avenue_Line", "kind": "wikipedia", "quote": "The NYW&B opened on May 29, 1912.", "tier": "tertiary", "title": "IRT Dyre Avenue Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IRT_Dyre_Avenue_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260202070045/https://en.wikipedia.org/wiki/Eastchester%E2%80%93Dyre_Avenue_station", "kind": "wikipedia", "quote": "The Eastchester–Dyre Avenue station initially opened as a New York, Westchester and Boston Railway station on May 29, 1912.", "tier": "tertiary", "title": "Eastchester–Dyre Avenue station — Wikipedia", "url": "https://en.wikipedia.org/wiki/Eastchester%E2%80%93Dyre_Avenue_station" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20260207172607/https://en.wikipedia.org/wiki/New_York,_Westchester_and_Boston_Railway", "kind": "other", "publisher": "Wikipedia", "quote": "Passenger service began on May 29, 1912, between Adams Street in the Bronx (the modern East 180th Street station) and North Avenue in New Rochelle.", "tier": "tertiary", "title": "New York, Westchester and Boston Railway — Wikipedia", "url": "https://en.wikipedia.org/wiki/New_York,_Westchester_and_Boston_Railway", "via": "https://en.wikipedia.org/wiki/IRT_Dyre_Avenue_Line" } ] }, { "closed": "1937-12-31", "confidence": "medium", "geometryRef": null, "id": "nyc-irt-dyre-avenue-line-19371231-1", "kind": "reopening", "label": { "en": "NYW&B abandoned: entire railway closes due to bankruptcy" }, "notes": "Closure phase. The English IRT Dyre Avenue Line article gives the abandonment date as December 31, 1937; the Eastchester–Dyre Avenue station article gives December 12, 1937 for the station's closure. Using the widely-cited line-level date Dec 31, 1937 and recording the Dec 12 station-closure discrepancy here. (Schema 'kind' has no 'closure' value; recorded here as the closure that the 1941 reopening reverses.) [Opening-date chase 2026-06-13] This phase records the NYW&B abandonment (closure), not a revenue-service opening. The Eastchester-Dyre Avenue station article gives a contradictory Dec 12, 1937 (vs Dec 31) — likely an editorial error; Dec 31, 1937 is the better-attested cessation date.", "opened": "1937-12-31", "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260530154846/https://en.wikipedia.org/wiki/IRT_Dyre_Avenue_Line", "kind": "wikipedia", "quote": "The NYW&B was abandoned on December 31, 1937 due to bankruptcy.", "tier": "tertiary", "title": "IRT Dyre Avenue Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IRT_Dyre_Avenue_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260202070045/https://en.wikipedia.org/wiki/Eastchester%E2%80%93Dyre_Avenue_station", "kind": "wikipedia", "quote": "It closed December 12, 1937 when the railway went bankrupt.", "tier": "tertiary", "title": "Eastchester–Dyre Avenue station — Wikipedia", "url": "https://en.wikipedia.org/wiki/Eastchester%E2%80%93Dyre_Avenue_station" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20260207172607/https://en.wikipedia.org/wiki/New_York,_Westchester_and_Boston_Railway", "kind": "other", "publisher": "Wikipedia", "quote": "The NYW&B ceased operations on December 31, 1937.", "tier": "tertiary", "title": "New York, Westchester and Boston Railway — Wikipedia", "url": "https://en.wikipedia.org/wiki/New_York,_Westchester_and_Boston_Railway", "via": "https://en.wikipedia.org/wiki/IRT_Dyre_Avenue_Line" } ] }, { "confidence": "low", "cost": { "basis": "outturn", "confidence": "medium", "nominal": { "currency": "USD", "isEstimate": false, "value": 1800000, "year": 1940 }, "notes": "$1,800,000 was the April 1940 PURCHASE price the NYC Board of Transportation paid for the NYW&B right-of-way in the Bronx north of East 180th Street; the line was then rehabilitated (rehabilitation cost not separately itemized) and reopened as a shuttle on May 15, 1941. Five stations on the shuttle: Eastchester–Dyre Avenue, Baychester Avenue, Gun Hill Road, Pelham Parkway, Morris Park. [Citation chase 2026-06-11] The $1,800,000 figure traces to a single secondary source (Wikipedia), whose lone supporting citation — Cudahy, \"A Century of Subways\" (Fordham UP, 2003), pp. 59–60 — is paywalled and could not be independently verified; no contemporary source confirming the dollar amount was accessible, so the curated \"high\" confidence is not fully supported.", "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260530154846/https://en.wikipedia.org/wiki/IRT_Dyre_Avenue_Line", "kind": "wikipedia", "quote": "The New York City Board of Transportation (BOT) bought the NYW&B within the Bronx north of East 180th Street in April 1940 for $1,800,000 and rehabilitated the line.", "tier": "tertiary", "title": "IRT Dyre Avenue Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IRT_Dyre_Avenue_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260530154846/https://en.wikipedia.org/wiki/IRT_Dyre_Avenue_Line", "kind": "wikipedia", "quote": "On May 15, 1941, a shuttle service was implemented between Dyre Avenue and East 180th Street using IRT gate cars.", "tier": "tertiary", "title": "IRT Dyre Avenue Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IRT_Dyre_Avenue_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260202070045/https://en.wikipedia.org/wiki/Eastchester%E2%80%93Dyre_Avenue_station", "kind": "wikipedia", "quote": "The station was then rebuilt and reopened as a NYC Subway station on May 15, 1941.", "tier": "tertiary", "title": "Eastchester–Dyre Avenue station — Wikipedia", "url": "https://en.wikipedia.org/wiki/Eastchester%E2%80%93Dyre_Avenue_station" } ] }, "geometryRef": null, "id": "nyc-irt-dyre-avenue-line-19410515-2", "kind": "reopening", "label": { "en": "Dyre Avenue shuttle opens: Dyre Avenue → East 180th Street (NYC Subway shuttle on rebuilt NYW&B Bronx segment)" }, "opened": "1941-05-15", "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260530154846/https://en.wikipedia.org/wiki/IRT_Dyre_Avenue_Line", "kind": "wikipedia", "quote": "The New York City Board of Transportation (BOT) bought the NYW&B within the Bronx north of East 180th Street in April 1940 for $1,800,000 and rehabilitated the line.", "tier": "tertiary", "title": "IRT Dyre Avenue Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IRT_Dyre_Avenue_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260530154846/https://en.wikipedia.org/wiki/IRT_Dyre_Avenue_Line", "kind": "wikipedia", "quote": "On May 15, 1941, a shuttle service was implemented between Dyre Avenue and East 180th Street using IRT gate cars.", "tier": "tertiary", "title": "IRT Dyre Avenue Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IRT_Dyre_Avenue_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260202070045/https://en.wikipedia.org/wiki/Eastchester%E2%80%93Dyre_Avenue_station", "kind": "wikipedia", "quote": "The station was then rebuilt and reopened as a NYC Subway station on May 15, 1941.", "tier": "tertiary", "title": "Eastchester–Dyre Avenue station — Wikipedia", "url": "https://en.wikipedia.org/wiki/Eastchester%E2%80%93Dyre_Avenue_station" } ], "stationCount": 5 }, { "confidence": "low", "cost": { "basis": "outturn", "confidence": "low", "nominal": { "currency": "USD", "isEstimate": false, "value": 3000000, "year": 1957 }, "notes": "$3 million paid to build the physical connection between the Dyre Avenue Line and the IRT White Plains Road Line north of East 180th Street, enabling through (non-shuttle) service. Operation transferred from the IND Division to the IRT Division on May 4, 1957 (making it the IRT Dyre Avenue–East 174th Street Line); through service began two days later on May 6, 1957. [Citation chase 2026-06-11] The $3M figure rests solely on Wikipedia's single citation (NYT, May 7, 1957, p. 37), which is paywalled and could not be verified; the contemporaneous NYCTA 1956-57 Annual Report confirms the connection project and 1957 through service but does not itemize this cost. Figure is nominal 1957 USD for the physical flyover connection only and excludes the 1940-41 acquisition/rehabilitation of the former NYW&B right-of-way.", "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260530154846/https://en.wikipedia.org/wiki/IRT_Dyre_Avenue_Line", "kind": "wikipedia", "quote": "The Dyre Avenue Line was connected directly to the White Plains Road Line north of East 180th Street for $3 million and through service began on May 6, 1957.", "tier": "tertiary", "title": "IRT Dyre Avenue Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IRT_Dyre_Avenue_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260530154846/https://en.wikipedia.org/wiki/IRT_Dyre_Avenue_Line", "kind": "wikipedia", "quote": "On May 4, 1957, the operation of the line was transferred from the IND Division to the IRT Division, making it the IRT Dyre Avenue–East 174th Street Line.", "tier": "tertiary", "title": "IRT Dyre Avenue Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IRT_Dyre_Avenue_Line" } ] }, "geometryRef": null, "id": "nyc-irt-dyre-avenue-line-19570506-3", "kind": "renumber", "label": { "en": "Through service / IRT integration: connected to IRT White Plains Road Line north of East 180th St; line transferred to IRT Division" }, "notes": "[Opening-date chase 2026-06-13] The May 4, 1957 transfer from IND to IRT Division was administrative; public through-service to Manhattan (replacing the shuttle) began May 6, 1957.", "opened": "1957-05-06", "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260530154846/https://en.wikipedia.org/wiki/IRT_Dyre_Avenue_Line", "kind": "wikipedia", "quote": "The Dyre Avenue Line was connected directly to the White Plains Road Line north of East 180th Street for $3 million and through service began on May 6, 1957.", "tier": "tertiary", "title": "IRT Dyre Avenue Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IRT_Dyre_Avenue_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260530154846/https://en.wikipedia.org/wiki/IRT_Dyre_Avenue_Line", "kind": "wikipedia", "quote": "On May 4, 1957, the operation of the line was transferred from the IND Division to the IRT Division, making it the IRT Dyre Avenue–East 174th Street Line.", "tier": "tertiary", "title": "IRT Dyre Avenue Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IRT_Dyre_Avenue_Line" } ] } ], "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260530154846/https://en.wikipedia.org/wiki/IRT_Dyre_Avenue_Line", "kind": "wikipedia", "quote": "The NYW&B opened on May 29, 1912.", "tier": "tertiary", "title": "IRT Dyre Avenue Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IRT_Dyre_Avenue_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260202070045/https://en.wikipedia.org/wiki/Eastchester%E2%80%93Dyre_Avenue_station", "kind": "wikipedia", "quote": "The Eastchester–Dyre Avenue station initially opened as a New York, Westchester and Boston Railway station on May 29, 1912.", "tier": "tertiary", "title": "Eastchester–Dyre Avenue station — Wikipedia", "url": "https://en.wikipedia.org/wiki/Eastchester%E2%80%93Dyre_Avenue_station" } ] }, { "cityId": "nyc", "color": "#EE352E", "displayNumber": "IRT Lenox Avenue Line", "id": "nyc-line-irt-lenox-avenue-line", "name": { "en": "IRT Lenox Avenue Line" }, "phases": [ { "confidence": "high", "constructionStart": "1900", "geometryRef": "nyc-IRT Lenox Avenue Line", "id": "nyc-irt-lenox-avenue-line-19041123-0", "kind": "initial", "label": { "en": "Initial opening: 110th Street → 145th Street (East Side Branch / Contract 1)" }, "notes": "[Date chase 2026-06-12] Construction start 1900 corroborated by two primary sources cited in Wikipedia: 1905 Board of Rapid Transit Railroad Commissioners Report (archive.org, pp. 229-236) and 1978 HAER Civil Engineering record (LoC, p. 252). Earliest Section 8 start: August 30, 1900. [Opening-date chase 2026-06-13] Revenue service began 'just after midnight' Nov 23, 1904; corroborated by the NYT front-page article 'East Side Subway Open' (Nov 23, 1904). No ceremonial-only pre-opening.", "opened": "1904-11-23", "segment": { "fromStopIndex": 1, "toStopIndex": 6 }, "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260523135008/https://en.wikipedia.org/wiki/145th_Street_station_(IRT_Lenox_Avenue_Line)", "kind": "wikipedia", "quote": "On November 23, 1904, the East Side Branch opened to 145th Street.", "tier": "tertiary", "title": "145th Street station (IRT Lenox Avenue Line) — Wikipedia", "url": "https://en.wikipedia.org/wiki/145th_Street_station_(IRT_Lenox_Avenue_Line)" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260502150846/https://en.wikipedia.org/wiki/IRT_Lenox_Avenue_Line", "kind": "wikipedia", "quote": "The line opened south of 145th Street just after midnight on November 23, 1904, as part of the IRT's original system.", "tier": "tertiary", "title": "IRT Lenox Avenue Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IRT_Lenox_Avenue_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260502150846/https://en.wikipedia.org/wiki/IRT_Lenox_Avenue_Line", "kind": "wikipedia", "quote": "The company began building the section from 110th Street to 135th Street on August 30, 1900, and the section from 103rd Street to 110th Street and Lenox Avenue on October 2, 1900.", "tier": "tertiary", "title": "IRT Lenox Avenue Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IRT_Lenox_Avenue_Line" }, { "accessedAt": "2026-06-12", "kind": "primary", "publisher": "Board of Rapid Transit Railroad Commissioners", "quote": "Cited at pages 229–236 of the 1905 report as the source for Farrell & Hopper beginning Section 8 construction on August 30, 1900 (110th–135th St) and October 2, 1900 (103rd–110th St and Lenox Avenue). Full text accessible via Internet Archive; PDF too large to retrieve directly but metadata confirms document existence.", "tier": "primary", "title": "Report of the Board of Rapid Transit Railroad Commissioners for the City of New York For The Year Ending December 31, 1904", "url": "https://archive.org/details/cu31924022794253/page/n253/mode/2up?q=april+28", "via": "https://en.wikipedia.org/wiki/IRT_Lenox_Avenue_Line" }, { "accessedAt": "2026-06-12", "archivedUrl": "https://web.archive.org/web/20260221085621/https://tile.loc.gov/storage-services/master/pnp/habshaer/ny/ny0300/ny0387/data/ny0387data.pdf", "kind": "primary", "publisher": "Historic American Engineering Record / Library of Congress", "quote": "Cited at page 252 as a source for construction start dates for Section 8 (Lenox Avenue Line). Wikipedia's wikitext cites this alongside the 1905 Commissioners Report for the August 30, 1900 and October 2, 1900 start dates.", "tier": "primary", "title": "Design and Construction of the IRT: Civil Engineering (HAER)", "url": "https://tile.loc.gov/storage-services/master/pnp/habshaer/ny/ny0300/ny0387/data/ny0387data.pdf", "via": "https://en.wikipedia.org/wiki/IRT_Lenox_Avenue_Line" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20160305040825/http://query.nytimes.com/gst/abstract.html?res=9C00E7D6113DE633A25750C2A9679D946597D6CF", "kind": "news", "publisher": "The New York Times", "quote": "East Side Subway Open [headline dated November 23, 1904, page 1] — cited in Wikipedia wikitext as the source for the November 23, 1904 opening date.", "tier": "secondary", "title": "East Side Subway Open — Train from 145th Street to Broadway in 9 Minutes and 40 Seconds", "url": "https://query.nytimes.com/gst/abstract.html?res=9C00E7D6113DE633A25750C2A9679D946597D6CF", "via": "https://en.wikipedia.org/wiki/IRT_Lenox_Avenue_Line" } ], "stationCount": 5 }, { "confidence": "medium", "geometryRef": null, "id": "nyc-irt-lenox-avenue-line-19050710-1", "kind": "extension", "label": { "en": "Service extended onto IRT White Plains Road Line (West Farms Branch connection)" }, "notes": "[Opening-date chase 2026-06-13] July 10, 1905 is the revenue opening of through-service onto the IRT White Plains Road Line (West Farms Branch); NYT headline confirms stations opened at midnight. This is a service extension/connection rather than a new physical segment of the Lenox Avenue Line.", "opened": "1905-07-10", "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260502150846/https://en.wikipedia.org/wiki/IRT_Lenox_Avenue_Line", "kind": "wikipedia", "quote": "The first train ran from the line onto the IRT White Plains Road Line (known as the West Farms Branch or the West Farms Extension) just after midnight on July 10, 1905.", "tier": "tertiary", "title": "IRT Lenox Avenue Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IRT_Lenox_Avenue_Line" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20160305075547/http://query.nytimes.com/gst/abstract.html?res=9F01E1DC103AE733A25753C1A9619C946497D6CF", "kind": "news", "publisher": "The New York Times", "quote": "Subway Trains Running From Bronx to Battery — West Farms and South Ferry Stations Open at Midnight [headline dated July 10, 1905, page 1] — cited in Wikipedia wikitext as the source for the July 10, 1905 extension date.", "tier": "secondary", "title": "Subway Trains Running From Bronx to Battery — West Farms and South Ferry Stations Open at Midnight — Start Without a Hitch", "url": "https://query.nytimes.com/gst/abstract.html?res=9F01E1DC103AE733A25753C1A9619C946497D6CF", "via": "https://en.wikipedia.org/wiki/IRT_Lenox_Avenue_Line" } ] }, { "confidence": "high", "cost": { "basis": "outturn", "confidence": "low", "nominal": { "currency": "USD", "isEstimate": false, "value": 8021000, "year": 1968 }, "notes": "Total for the 148th St terminal project: station $1.29M + track improvements $3.178M + signaling $3.553M = ~$8.02M. Built economically on existing Lenox Yard tracks rather than new excavation. Originally named Lenox Terminal–148th Street. [Citation chase 2026-06-11] The full $8.021M breakdown rests on a single Wikipedia citation (a New York Amsterdam News article via fultonhistory.com) that could not be reached and has no Wayback snapshot; the NYT and ERA Bulletin refs cover only the opening dates, not cost, so the figure is currently unverified.", "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260611124156/https://en.wikipedia.org/wiki/Harlem%E2%80%93148th_Street_station", "kind": "wikipedia", "quote": "Trains began operating without passengers to the 148th Street station on May 5, 1968, and the station officially opened on May 13, 1968.", "tier": "tertiary", "title": "Harlem–148th Street station — Wikipedia", "url": "https://en.wikipedia.org/wiki/Harlem%E2%80%93148th_Street_station" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260611124156/https://en.wikipedia.org/wiki/Harlem%E2%80%93148th_Street_station", "kind": "wikipedia", "quote": "The station cost $1.29 million, track improvements cost $3.178 million, and signaling cost $3.553 million.", "tier": "tertiary", "title": "Harlem–148th Street station — Wikipedia", "url": "https://en.wikipedia.org/wiki/Harlem%E2%80%93148th_Street_station" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260502150846/https://en.wikipedia.org/wiki/IRT_Lenox_Avenue_Line", "kind": "wikipedia", "quote": "The Harlem–148th Street station was opened on May 13, 1968, on land that had been part of the Lenox Yard; the station was originally called Lenox Terminal–148th Street.", "tier": "tertiary", "title": "IRT Lenox Avenue Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IRT_Lenox_Avenue_Line" } ] }, "geometryRef": "nyc-IRT Lenox Avenue Line", "id": "nyc-irt-lenox-avenue-line-19680513-2", "kind": "extension", "label": { "en": "Harlem–148th Street terminal opens (built on former Lenox Yard land)" }, "notes": "[Opening-date chase 2026-06-13] Curated date is the public/revenue opening. Trains ran without passengers in a test on May 5, 1968; official passenger opening was May 13, 1968 (both same year). NYT (May 14, 1968) confirms passengers first used the station May 13. The test-run date does not affect the curated year.", "opened": "1968-05-13", "segment": { "fromStopIndex": 0, "toStopIndex": 1 }, "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260611124156/https://en.wikipedia.org/wiki/Harlem%E2%80%93148th_Street_station", "kind": "wikipedia", "quote": "Trains began operating without passengers to the 148th Street station on May 5, 1968, and the station officially opened on May 13, 1968.", "tier": "tertiary", "title": "Harlem–148th Street station — Wikipedia", "url": "https://en.wikipedia.org/wiki/Harlem%E2%80%93148th_Street_station" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260611124156/https://en.wikipedia.org/wiki/Harlem%E2%80%93148th_Street_station", "kind": "wikipedia", "quote": "The station cost $1.29 million, track improvements cost $3.178 million, and signaling cost $3.553 million.", "tier": "tertiary", "title": "Harlem–148th Street station — Wikipedia", "url": "https://en.wikipedia.org/wiki/Harlem%E2%80%93148th_Street_station" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260502150846/https://en.wikipedia.org/wiki/IRT_Lenox_Avenue_Line", "kind": "wikipedia", "quote": "The Harlem–148th Street station was opened on May 13, 1968, on land that had been part of the Lenox Yard; the station was originally called Lenox Terminal–148th Street.", "tier": "tertiary", "title": "IRT Lenox Avenue Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IRT_Lenox_Avenue_Line" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20251113125656/https://erausa.org/pdf/bulletin/1980s/1985/1985-07-bulletin.pdf", "kind": "other", "publisher": "Electric Railroaders' Association (The Bulletin, vol. 28 no. 7)", "quote": "Cited at page 11 for both the May 5, 1968 passenger-free test operations and the May 13, 1968 official opening. PDF too large to retrieve directly (exceeded size limit) but citation confirmed in wikitext.", "tier": "secondary", "title": "Eighty Years of Subway Service to the Bronx", "url": "https://erausa.org/pdf/bulletin/1980s/1985/1985-07-bulletin.pdf", "via": "https://en.wikipedia.org/wiki/Harlem%E2%80%93148th_Street_station" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20250126091146/https://www.nytimes.com/1968/05/14/archives/irt-passengers-get-new-148th-st-station.html", "kind": "news", "publisher": "The New York Times", "quote": "IRT Passengers Get New 148th St. Station [headline dated May 14, 1968, page 95] — reported on the opening to passengers, confirming May 13, 1968 as the public/revenue-service date.", "tier": "secondary", "title": "IRT Passengers Get New 148th St. Station", "url": "https://www.nytimes.com/1968/05/14/archives/irt-passengers-get-new-148th-st-station.html", "via": "https://en.wikipedia.org/wiki/Harlem%E2%80%93148th_Street_station" } ], "stationCount": 1 } ], "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260502150846/https://en.wikipedia.org/wiki/IRT_Lenox_Avenue_Line", "kind": "wikipedia", "quote": "The line opened south of 145th Street just after midnight on November 23, 1904, as part of the IRT's original system.", "tier": "tertiary", "title": "IRT Lenox Avenue Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IRT_Lenox_Avenue_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260611124156/https://en.wikipedia.org/wiki/Harlem%E2%80%93148th_Street_station", "kind": "wikipedia", "quote": "Trains began operating without passengers to the 148th Street station on May 5, 1968, and the station officially opened on May 13, 1968.", "tier": "tertiary", "title": "Harlem–148th Street station — Wikipedia", "url": "https://en.wikipedia.org/wiki/Harlem%E2%80%93148th_Street_station" } ] }, { "cityId": "nyc", "color": "#00933C", "displayNumber": "IRT Eastern Parkway Line", "id": "nyc-line-irt-eastern-parkway-line", "name": { "en": "IRT Eastern Parkway Line" }, "phases": [ { "confidence": "high", "constructionStart": "1915", "cost": { "basis": "budget", "confidence": "medium", "nominal": { "currency": "USD", "isEstimate": true, "value": 2195000, "year": 1915 }, "notes": "Per-SECTION construction-contract low bids, NOT the whole line: Cranford Co. ~$2.2M (March 1914); a Transit Company low bid of $2.195M; Inter-Continental Co. $2.7M; Rodgers & Hagerty $2.17M for the Nostrand–Buffalo Avenues contract (July 1915). The line was built as Route 12 (1915–1918) under Dual Contracts Contract 3; figures here are individual section bids, not a single line-wide total. Value entered is the $2.195M section bid as a representative sourced figure. [Citation chase 2026-06-11] Source basis is a winning low bid (authorized contract price), dated June 1914, not a forecast estimate or final outturn. The sole supporting figure traces to one Wikipedia statement whose underlying primary ref (Times Union, Brooklyn, June 16, 1914) is paywalled and could not be directly verified.", "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260611124142/https://en.wikipedia.org/wiki/IRT_Eastern_Parkway_Line", "kind": "wikipedia", "quote": "At 12:40 a.m. on August 23, 1920, the Eastern Parkway Line was extended from Atlantic Avenue to Utica Avenue.", "tier": "tertiary", "title": "IRT Eastern Parkway Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IRT_Eastern_Parkway_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260611124142/https://en.wikipedia.org/wiki/IRT_Eastern_Parkway_Line", "kind": "wikipedia", "quote": "Trains did not make stops between Atlantic Avenue and Franklin Avenue because of the failure of the contractor to perform work as scheduled on the local stations.", "tier": "tertiary", "title": "IRT Eastern Parkway Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IRT_Eastern_Parkway_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260611124142/https://en.wikipedia.org/wiki/IRT_Eastern_Parkway_Line", "kind": "wikipedia", "quote": "The IRT Eastern Parkway Line was built as part of Route 12 from 1915 to 1918, from the section east of the Atlantic Avenue station to Utica Avenue.", "tier": "tertiary", "title": "IRT Eastern Parkway Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IRT_Eastern_Parkway_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260611124142/https://en.wikipedia.org/wiki/IRT_Eastern_Parkway_Line", "kind": "wikipedia", "quote": "the Transit Company made a low bid of $2.195 million for this contract.", "tier": "tertiary", "title": "IRT Eastern Parkway Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IRT_Eastern_Parkway_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260201021942/https://en.wikipedia.org/wiki/Kingston_Avenue_station", "kind": "wikipedia", "quote": "which opened on August 23, 1920, as part of an extension of the IRT Eastern Parkway Line by the Interborough Rapid Transit Company", "tier": "tertiary", "title": "Kingston Avenue station — Wikipedia", "url": "https://en.wikipedia.org/wiki/Kingston_Avenue_station" } ] }, "geometryRef": "nyc-IRT Eastern Parkway Line", "id": "nyc-irt-eastern-parkway-line-19200823-0", "kind": "initial", "label": { "en": "Initial section opens: Atlantic Avenue → Crown Heights–Utica Avenue (Franklin, Nostrand, Kingston, Utica)" }, "notes": "[Date chase 2026-06-12] A May 23, 1914 ceremonial groundbreaking (first sod) preceded actual construction by several weeks and covered only section 1A; the curated 1915 reflects the start of contracted construction (Route 12, 1915-1918). [Opening-date chase 2026-06-13] Aug 20, 1920 Mayor Hylan ride was a ceremonial pre-opening inspection; revenue service began 12:40 a.m. Aug 23, 1920 as a partial opening (Bergen St, Grand Army Plaza, and Eastern Parkway–Brooklyn Museum did not yet open due to contractor delays).", "opened": "1920-08-23", "segment": { "fromStopIndex": 0, "toStopIndex": 13 }, "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260611124142/https://en.wikipedia.org/wiki/IRT_Eastern_Parkway_Line", "kind": "wikipedia", "quote": "At 12:40 a.m. on August 23, 1920, the Eastern Parkway Line was extended from Atlantic Avenue to Utica Avenue.", "tier": "tertiary", "title": "IRT Eastern Parkway Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IRT_Eastern_Parkway_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260611124142/https://en.wikipedia.org/wiki/IRT_Eastern_Parkway_Line", "kind": "wikipedia", "quote": "Trains did not make stops between Atlantic Avenue and Franklin Avenue because of the failure of the contractor to perform work as scheduled on the local stations.", "tier": "tertiary", "title": "IRT Eastern Parkway Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IRT_Eastern_Parkway_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260611124142/https://en.wikipedia.org/wiki/IRT_Eastern_Parkway_Line", "kind": "wikipedia", "quote": "The IRT Eastern Parkway Line was built as part of Route 12 from 1915 to 1918, from the section east of the Atlantic Avenue station to Utica Avenue.", "tier": "tertiary", "title": "IRT Eastern Parkway Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IRT_Eastern_Parkway_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260611124142/https://en.wikipedia.org/wiki/IRT_Eastern_Parkway_Line", "kind": "wikipedia", "quote": "the Transit Company made a low bid of $2.195 million for this contract.", "tier": "tertiary", "title": "IRT Eastern Parkway Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IRT_Eastern_Parkway_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260201021942/https://en.wikipedia.org/wiki/Kingston_Avenue_station", "kind": "wikipedia", "quote": "which opened on August 23, 1920, as part of an extension of the IRT Eastern Parkway Line by the Interborough Rapid Transit Company", "tier": "tertiary", "title": "Kingston Avenue station — Wikipedia", "url": "https://en.wikipedia.org/wiki/Kingston_Avenue_station" }, { "accessedAt": "2026-06-12", "archivedUrl": "https://web.archive.org/web/20241202022735/https://www.nytimes.com/1914/05/24/archives/subway-festival-held-in-brooklyn-mccall-turns-the-first-sod-for.html", "kind": "news", "publisher": "The New York Times", "tier": "primary", "title": "Subway Festival Held in Brooklyn; McCall Turns the First Sod for Interborough Extension from Atlantic Ave.", "url": "https://www.nytimes.com/1914/05/24/archives/subway-festival-held-in-brooklyn-mccall-turns-the-first-sod-for.html", "via": "https://en.wikipedia.org/wiki/IRT_Eastern_Parkway_Line" }, { "accessedAt": "2026-06-12", "archivedUrl": "https://web.archive.org/web/20230707234702/https://www.newspapers.com/article/the-brooklyn-daily-eagle-line-begun-toda/127730775/", "kind": "news", "publisher": "Brooklyn Daily Eagle", "tier": "primary", "title": "Line Begun Today Taps Big Section — The Brooklyn Daily Eagle, May 23, 1914", "url": "https://www.newspapers.com/article/the-brooklyn-daily-eagle-line-begun-toda/127730775/", "via": "https://en.wikipedia.org/wiki/IRT_Eastern_Parkway_Line" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20251104164048/https://timesmachine.nytimes.com/timesmachine/1920/08/23/96895483.pdf", "kind": "news", "publisher": "New York Times", "quote": "Brooklyn Tube Extensions Open: I.R.T. Begins Service on Eastern Parkway and Nostrand Avenue Lines", "tier": "secondary", "title": "Brooklyn Tube Extensions Open: I.R.T. Begins Service on Eastern Parkway and Nostrand Avenue Lines", "url": "https://timesmachine.nytimes.com/timesmachine/1920/08/23/96895483.pdf", "via": "https://en.wikipedia.org/wiki/IRT_Eastern_Parkway_Line" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20241204194355/https://www.newspapers.com/article/new-york-tribune-new-brooklyn-subways-op/125079917/", "kind": "news", "publisher": "New-York Tribune", "quote": "New Brooklyn Subways Open (article dated August 24, 1920, reporting on the August 23 opening)", "tier": "secondary", "title": "New Brooklyn Subways Open — New-York Tribune, August 24, 1920", "url": "https://www.newspapers.com/article/new-york-tribune-new-brooklyn-subways-op/125079917/", "via": "https://en.wikipedia.org/wiki/IRT_Eastern_Parkway_Line" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20251219095040/https://pudl.princeton.edu/sheetreader.php?obj=f304cf40-5610-4c05-9ee0-e56cf06d5599", "kind": "primary", "publisher": "Interborough Rapid Transit Company", "quote": "More Interborough Service for Brooklyn 2 New Lines (operator document dated August 23, 1920)", "tier": "primary", "title": "More Interborough Service for Brooklyn 2 New Lines", "url": "http://pudl.princeton.edu/sheetreader.php?obj=f304cf40-5610-4c05-9ee0-e56cf06d5599", "via": "https://en.wikipedia.org/wiki/IRT_Eastern_Parkway_Line" } ], "stationCount": 4 }, { "confidence": "high", "constructionStart": "1915", "geometryRef": null, "id": "nyc-irt-eastern-parkway-line-19201010-1", "kind": "extension", "label": { "en": "Delayed local stations open: Bergen Street, Grand Army Plaza, Eastern Parkway–Brooklyn Museum" }, "notes": "[Date chase 2026-06-12] These stations share the same Dual Contracts construction as the Aug 23, 1920 phase; they opened late due to contractor underperformance, not a distinct construction start. [Opening-date chase 2026-06-13] These three local stations (Bergen Street, Grand Army Plaza, Eastern Parkway–Brooklyn Museum) were the delayed stations from the Aug 23, 1920 partial opening; they entered service Oct 10, 1920, completing the line.", "opened": "1920-10-10", "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260611124142/https://en.wikipedia.org/wiki/IRT_Eastern_Parkway_Line", "kind": "wikipedia", "quote": "On October 10, 1920, the three stations that had not opened with the rest of the line, at Bergen Street, Grand Army Plaza and Eastern Parkway–Brooklyn Museum, were opened.", "tier": "tertiary", "title": "IRT Eastern Parkway Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IRT_Eastern_Parkway_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260611124142/https://en.wikipedia.org/wiki/IRT_Eastern_Parkway_Line", "kind": "wikipedia", "quote": "Groundbreaking for the IRT extension took place on May 23, 1914.", "tier": "tertiary", "title": "IRT Eastern Parkway Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IRT_Eastern_Parkway_Line" }, { "accessedAt": "2026-06-12", "archivedUrl": "https://web.archive.org/web/20241202022735/https://www.nytimes.com/1914/05/24/archives/subway-festival-held-in-brooklyn-mccall-turns-the-first-sod-for.html", "kind": "news", "publisher": "The New York Times", "tier": "primary", "title": "Subway Festival Held in Brooklyn; McCall Turns the First Sod for Interborough Extension from Atlantic Ave.", "url": "https://www.nytimes.com/1914/05/24/archives/subway-festival-held-in-brooklyn-mccall-turns-the-first-sod-for.html", "via": "https://en.wikipedia.org/wiki/IRT_Eastern_Parkway_Line" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20230315104008/https://timesmachine.nytimes.com/timesmachine/1920/10/11/103481051.pdf", "kind": "news", "publisher": "New York Times", "quote": "Subway Stations Opened: Last Three in Eastern Parkway Branch of I.R.T. Put Into Service (article dated October 11, 1920, reporting on October 10 opening)", "tier": "secondary", "title": "Subway Stations Opened: Last Three in Eastern Parkway Branch of I.R.T. Put Into Service", "url": "https://timesmachine.nytimes.com/timesmachine/1920/10/11/103481051.pdf", "via": "https://en.wikipedia.org/wiki/IRT_Eastern_Parkway_Line" } ], "stationCount": 3 } ], "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260611124142/https://en.wikipedia.org/wiki/IRT_Eastern_Parkway_Line", "kind": "wikipedia", "quote": "At 12:40 a.m. on August 23, 1920, the Eastern Parkway Line was extended from Atlantic Avenue to Utica Avenue.", "tier": "tertiary", "title": "IRT Eastern Parkway Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IRT_Eastern_Parkway_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260201021942/https://en.wikipedia.org/wiki/Kingston_Avenue_station", "kind": "wikipedia", "quote": "which opened on August 23, 1920, as part of an extension of the IRT Eastern Parkway Line by the Interborough Rapid Transit Company", "tier": "tertiary", "title": "Kingston Avenue station — Wikipedia", "url": "https://en.wikipedia.org/wiki/Kingston_Avenue_station" } ] }, { "cityId": "nyc", "color": "#EE352E", "displayNumber": "IRT New Lots Line", "id": "nyc-line-irt-new-lots-line", "name": { "en": "IRT New Lots Line" }, "phases": [ { "confidence": "low", "constructionStart": "1917", "cost": { "basis": "budget", "confidence": "medium", "nominal": { "currency": "USD", "isEstimate": false, "value": 1688919, "year": 1917 }, "notes": "Cost of the two Jan 17, 1917 construction contracts for the elevated New Lots Line structure: steel to American Bridge Company ($1,431,755) + erection to W.G. Cooper ($257,164) = $1,688,919. Covers the elevated line structure, not a single segment alone. [Citation chase 2026-06-11] These are January 17, 1917 contract-award amounts (authorized/committed sums for steel supply and erection of the elevated structure), not the final outturn cost of the line. The two underlying primary newspaper citations (The Chat; Brooklyn Times Union) are paywalled and unarchived, so the figure currently rests on Wikipedia alone.", "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260504002751/https://en.wikipedia.org/wiki/IRT_New_Lots_Line", "kind": "wikipedia", "quote": "The first portion of the line between Utica Avenue and Junius Street opened on November 22, 1920, with shuttle trains operating over this route.", "tier": "tertiary", "title": "IRT New Lots Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IRT_New_Lots_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260504002751/https://en.wikipedia.org/wiki/IRT_New_Lots_Line", "kind": "wikipedia", "quote": "Construction on the line began in spring 1917.", "tier": "tertiary", "title": "IRT New Lots Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IRT_New_Lots_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260504002751/https://en.wikipedia.org/wiki/IRT_New_Lots_Line", "kind": "wikipedia", "quote": "The contract for the steel was awarded to American Bridge Company for $1,431,755, and the contract for the erection of the structure was awarded to W.G. Cooper for $257,164. ... The cost of these two contracts was $1,688,919.", "tier": "tertiary", "title": "IRT New Lots Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IRT_New_Lots_Line" } ] }, "geometryRef": "nyc-IRT New Lots Line", "id": "nyc-irt-new-lots-line-19201122-0", "kind": "initial", "label": { "en": "Stage 1 opens: Utica Avenue → Junius Street (New Lots Line elevated, shuttle service)" }, "notes": "[Date chase 2026-06-12] Construction-start year (1917) corroborated by the contract timeline: the construction contract was awarded January 17, 1917, with groundbreaking in spring 1917. The underlying primary citations (Brooklyn Daily Eagle Sept 1917, The Chat Sept 1917, IRT Annual Report) are paywalled/blocked and were not independently accessible. [Opening-date chase 2026-06-13] Wikipedia infobox shows Nov 23, 1920 while article prose and station articles say Nov 22, 1920; curated date follows the prose/station-article consensus. Opened as shuttle service (Utica Ave to Junius St).", "opened": "1920-11-22", "segment": { "fromStopIndex": 0, "toStopIndex": 4 }, "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260504002751/https://en.wikipedia.org/wiki/IRT_New_Lots_Line", "kind": "wikipedia", "quote": "The first portion of the line between Utica Avenue and Junius Street opened on November 22, 1920, with shuttle trains operating over this route.", "tier": "tertiary", "title": "IRT New Lots Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IRT_New_Lots_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260504002751/https://en.wikipedia.org/wiki/IRT_New_Lots_Line", "kind": "wikipedia", "quote": "Construction on the line began in spring 1917.", "tier": "tertiary", "title": "IRT New Lots Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IRT_New_Lots_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260504002751/https://en.wikipedia.org/wiki/IRT_New_Lots_Line", "kind": "wikipedia", "quote": "The contract for the steel was awarded to American Bridge Company for $1,431,755, and the contract for the erection of the structure was awarded to W.G. Cooper for $257,164. ... The cost of these two contracts was $1,688,919.", "tier": "tertiary", "title": "IRT New Lots Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IRT_New_Lots_Line" } ], "stationCount": 4 }, { "confidence": "medium", "geometryRef": "nyc-IRT New Lots Line", "id": "nyc-irt-new-lots-line-19201224-1", "kind": "extension", "label": { "en": "Stage 2 opens: Junius Street → Pennsylvania Avenue (one stop east)" }, "notes": "[Opening-date chase 2026-06-13] Initial opening was partial — only the southbound platform was in use on Dec 24, 1920 — but public revenue service to Pennsylvania Avenue began that date.", "opened": "1920-12-24", "segment": { "fromStopIndex": 4, "toStopIndex": 5 }, "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260504002751/https://en.wikipedia.org/wiki/IRT_New_Lots_Line", "kind": "wikipedia", "quote": "The New Lots Line opened one more stop farther to the east to Pennsylvania Avenue on December 24, 1920.", "tier": "tertiary", "title": "IRT New Lots Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IRT_New_Lots_Line" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20251222022216/https://en.wikipedia.org/wiki/Pennsylvania_Avenue_station_(IRT_New_Lots_Line)", "kind": "other", "publisher": "Wikipedia", "quote": "The line opened one more stop farther to the east to Pennsylvania Avenue on December 24, 1920. At that date, only the southbound platform was used.", "tier": "tertiary", "title": "Pennsylvania Avenue station (IRT New Lots Line) — Wikipedia", "url": "https://en.wikipedia.org/wiki/Pennsylvania_Avenue_station_(IRT_New_Lots_Line)", "via": "https://en.wikipedia.org/wiki/IRT_New_Lots_Line" } ], "stationCount": 1 }, { "confidence": "medium", "geometryRef": "nyc-IRT New Lots Line", "id": "nyc-irt-new-lots-line-19221016-2", "kind": "extension", "label": { "en": "Stage 3 opens: Pennsylvania Avenue → New Lots Avenue (terminus), adding Van Siclen Avenue and New Lots Avenue" }, "notes": "[Opening-date chase 2026-06-13] Service began as a two-car shuttle on the northbound track between Pennsylvania Avenue and New Lots Avenue; this was public revenue service on the new segment.", "opened": "1922-10-16", "segment": { "fromStopIndex": 5, "toStopIndex": 7 }, "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260504002751/https://en.wikipedia.org/wiki/IRT_New_Lots_Line", "kind": "wikipedia", "quote": "Shuttles started operating between Pennsylvania Avenue and New Lots Avenue on October 16, 1922.", "tier": "tertiary", "title": "IRT New Lots Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IRT_New_Lots_Line" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20260110085013/https://en.wikipedia.org/wiki/New_Lots_Avenue_station_(IRT_New_Lots_Line)", "kind": "other", "publisher": "Wikipedia", "quote": "Shuttles started operating between Pennsylvania Avenue and New Lots Avenue on October 16, 1922.", "tier": "tertiary", "title": "New Lots Avenue station (IRT New Lots Line) — Wikipedia", "url": "https://en.wikipedia.org/wiki/New_Lots_Avenue_station_(IRT_New_Lots_Line)", "via": "https://en.wikipedia.org/wiki/IRT_New_Lots_Line" } ], "stationCount": 2 }, { "confidence": "low", "geometryRef": null, "id": "nyc-irt-new-lots-line-19241031-3", "kind": "extension", "label": { "en": "Through service to New Lots Avenue begins (shuttle replaced by through trains)" }, "notes": "[Opening-date chase 2026-06-13] This phase is a service-pattern change (shuttle service running since Oct 1922 replaced by through trains to New Lots Avenue), not a new station opening.", "opened": "1924-10-31", "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260504002751/https://en.wikipedia.org/wiki/IRT_New_Lots_Line", "kind": "wikipedia", "quote": "On October 31, 1924, through service to New Lots Avenue was begun.", "tier": "tertiary", "title": "IRT New Lots Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IRT_New_Lots_Line" } ] } ], "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260504002751/https://en.wikipedia.org/wiki/IRT_New_Lots_Line", "kind": "wikipedia", "quote": "The first portion of the line between Utica Avenue and Junius Street opened on November 22, 1920, with shuttle trains operating over this route.", "tier": "tertiary", "title": "IRT New Lots Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IRT_New_Lots_Line" } ] }, { "cityId": "nyc", "color": "#EE352E", "displayNumber": "IRT Nostrand Avenue Line", "id": "nyc-line-irt-nostrand-avenue-line", "name": { "en": "IRT Nostrand Avenue Line" }, "phases": [ { "confidence": "high", "constructionStart": "1914-05-23", "geometryRef": "nyc-IRT Nostrand Avenue Line", "id": "nyc-irt-nostrand-avenue-line-19200823-0", "kind": "initial", "label": { "en": "Line opens: Franklin Avenue → Flatbush Avenue (full Nostrand Avenue Line, Dual Contracts Route 12)" }, "notes": "Construction-start corrected 1913→1914-05-23 [Date chase 2026-06-12 — panel-confirmed, corrected w/ sign-off] [Date chase 2026-06-12] Groundbreaking for the Route 12 IRT extension (incl. Nostrand Ave branch) took place May 23, 1914, with actual work beginning several weeks later; the Nostrand Avenue section itself was under excavation by 1915 (bids opened April 1915). The prior 1913 value was the Dual Contracts signing date, not construction commencement. Primary NYT/Brooklyn Daily Eagle sources are paywalled and confirmed only via Wikipedia citation. [Opening-date chase 2026-06-13] Mayor Hylan inspected the line on Aug 20, 1920, three days before the Aug 23 public opening — this was a pre-opening inspection, not revenue service. The Nostrand Avenue Line opened fully on Aug 23, 1920 with all seven of its stations (note: three Eastern Parkway Line stations opened later on Oct 10, 1920, but these are not on the Nostrand Avenue Line).", "opened": "1920-08-23", "segment": { "fromStopIndex": 0, "toStopIndex": 7 }, "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260509142528/https://en.wikipedia.org/wiki/IRT_Nostrand_Avenue_Line", "kind": "wikipedia", "quote": "The Nostrand Avenue Line opened on August 23, 1920 at 12:40 a.m.", "tier": "tertiary", "title": "IRT Nostrand Avenue Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IRT_Nostrand_Avenue_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260509142528/https://en.wikipedia.org/wiki/IRT_Nostrand_Avenue_Line", "kind": "wikipedia", "quote": "The Dual Contracts, which were signed on March 19, 1913, were contracts for the construction and/or rehabilitation and operation of rapid transit lines in the City of New York.", "tier": "tertiary", "title": "IRT Nostrand Avenue Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IRT_Nostrand_Avenue_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260611124142/https://en.wikipedia.org/wiki/IRT_Eastern_Parkway_Line", "kind": "wikipedia", "quote": "At 12:40 a.m. on August 23, 1920, the Eastern Parkway Line was extended from Atlantic Avenue to Utica Avenue ... and down the Nostrand Avenue Subway to Flatbush Avenue.", "tier": "tertiary", "title": "IRT Eastern Parkway Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IRT_Eastern_Parkway_Line" }, { "accessedAt": "2026-06-12", "archivedUrl": "https://web.archive.org/web/20241202022735/https://www.nytimes.com/1914/05/24/archives/subway-festival-held-in-brooklyn-mccall-turns-the-first-sod-for.html", "kind": "news", "publisher": "The New York Times", "quote": "[Title only; article body inaccessible — nytimes.com blocked WebFetch] Cited in Wikipedia as the source for the May 23, 1914 groundbreaking ceremony.", "tier": "primary", "title": "Subway Festival Held in Brooklyn; McCall Turns the First Sod for Interborough Extension from Atlantic Ave.", "url": "https://www.nytimes.com/1914/05/24/archives/subway-festival-held-in-brooklyn-mccall-turns-the-first-sod-for.html", "via": "https://en.wikipedia.org/wiki/IRT_Eastern_Parkway_Line" }, { "accessedAt": "2026-06-12", "archivedUrl": "https://web.archive.org/web/20230707234702/https://www.newspapers.com/article/the-brooklyn-daily-eagle-line-begun-toda/127730775/", "kind": "news", "publisher": "The Brooklyn Daily Eagle", "quote": "[Article body inaccessible — newspapers.com returned HTTP 403] Dated May 23, 1914; cited in Wikipedia as a source for the groundbreaking and the Cranford Company's $2.2 million construction contract for section 1A.", "tier": "primary", "title": "Line Begun Today Taps Big Section", "url": "https://www.newspapers.com/article/the-brooklyn-daily-eagle-line-begun-toda/127730775/", "via": "https://en.wikipedia.org/wiki/IRT_Eastern_Parkway_Line" }, { "accessedAt": "2026-06-12", "archivedUrl": "https://web.archive.org/web/20230707222011/https://www.newspapers.com/article/the-brooklyn-daily-eagle-bids-opened-for/127732139/", "kind": "news", "publisher": "The Brooklyn Daily Eagle", "quote": "[Article body inaccessible — newspapers.com returned HTTP 403] Dated April 20, 1915; cited in Wikipedia for the April 1915 bid opening for the section between Grand Army Plaza and Nostrand Avenue.", "tier": "primary", "title": "Bids Opened for Parkway Subway", "url": "https://www.newspapers.com/article/the-brooklyn-daily-eagle-bids-opened-for/127732139/", "via": "https://en.wikipedia.org/wiki/IRT_Eastern_Parkway_Line" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20251104164048/https://timesmachine.nytimes.com/timesmachine/1920/08/23/96895483.pdf", "kind": "news", "publisher": "New York Times", "quote": "Brooklyn Tube Extensions Open: I.R.T. Begins Service on Eastern Parkway and Nostrand Avenue Lines [dated August 23, 1920; article body inaccessible — timesmachine.nytimes.com blocked WebFetch, but title and date confirm August 23, 1920 revenue service opening]", "tier": "primary", "title": "Brooklyn Tube Extensions Open: I.R.T. Begins Service on Eastern Parkway and Nostrand Avenue Lines", "url": "https://timesmachine.nytimes.com/timesmachine/1920/08/23/96895483.pdf", "via": "https://en.wikipedia.org/wiki/IRT_Nostrand_Avenue_Line" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20241204194355/https://www.newspapers.com/article/new-york-tribune-new-brooklyn-subways-op/125079917/", "kind": "news", "publisher": "New-York Tribune", "quote": "[Article body inaccessible — newspapers.com returned HTTP 403] Dated August 24, 1920; cited in Wikipedia Eastern Parkway Line article for the 12:40 a.m. August 23, 1920 opening of the new Brooklyn IRT lines.", "tier": "secondary", "title": "New Brooklyn Subways Open", "url": "https://www.newspapers.com/article/new-york-tribune-new-brooklyn-subways-op/125079917/", "via": "https://en.wikipedia.org/wiki/IRT_Eastern_Parkway_Line" } ], "stationCount": 7 } ], "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260509142528/https://en.wikipedia.org/wiki/IRT_Nostrand_Avenue_Line", "kind": "wikipedia", "quote": "The Nostrand Avenue Line opened on August 23, 1920 at 12:40 a.m.", "tier": "tertiary", "title": "IRT Nostrand Avenue Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IRT_Nostrand_Avenue_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260611124142/https://en.wikipedia.org/wiki/IRT_Eastern_Parkway_Line", "kind": "wikipedia", "quote": "At 12:40 a.m. on August 23, 1920, the Eastern Parkway Line was extended from Atlantic Avenue to Utica Avenue ... and down the Nostrand Avenue Subway to Flatbush Avenue.", "tier": "tertiary", "title": "IRT Eastern Parkway Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IRT_Eastern_Parkway_Line" } ] }, { "cityId": "nyc", "color": "#0039A6", "displayNumber": "IND Eighth Avenue Line", "id": "nyc-line-ind-eighth-avenue-line", "name": { "en": "IND Eighth Avenue Line" }, "phases": [ { "confidence": "high", "constructionStart": "1925", "cost": { "basis": "outturn", "confidence": "high", "nominal": { "currency": "USD", "isEstimate": false, "value": 191200000, "year": 1932 }, "notes": "Figure given as the cost of building the whole Eighth Avenue Line (Chambers St/Hudson Terminal–207th St trunk plus its branches), not this single staged opening alone; English Wikipedia equates it to ~$4,511.9 million in 2025 dollars. Ground was broken on 14 March 1925 at St. Nicholas Avenue and 123rd Street. [Citation chase 2026-06-11] The $191.2M (1932 USD) figure traces to a contemporary New York Times report (R.L. Duffus, Sept 9, 1932) whose title states \"Cost Has Been $191,200,000\"; on Wikipedia the cost sentence actually appears in the IND station-level articles (e.g., 116th Street), not the main line article whose URL is cited here.", "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260611124132/https://en.wikipedia.org/wiki/IND_Eighth_Avenue_Line", "kind": "wikipedia", "quote": "the majority of the Eighth Avenue Line, from Chambers Street north to 207th Street, was opened to the public just after midnight on September 10, 1932", "tier": "tertiary", "title": "IND Eighth Avenue Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IND_Eighth_Avenue_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260530130346/https://en.wikipedia.org/wiki/Chambers_Street%E2%80%93World_Trade_Center/Park_Place/Cortlandt_Street_station", "kind": "wikipedia", "quote": "The Chambers Street and Hudson Terminal stations on the Eighth Avenue Line opened just after midnight on September 10, 1932, as the southern terminus of the city-operated IND's initial segment, the Eighth Avenue Line between Chambers Street–Hudson Terminal and 207th Street.", "tier": "tertiary", "title": "Chambers Street–World Trade Center/Park Place/Cortlandt Street station — Wikipedia", "url": "https://en.wikipedia.org/wiki/Chambers_Street%E2%80%93World_Trade_Center/Park_Place/Cortlandt_Street_station" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260611124132/https://en.wikipedia.org/wiki/IND_Eighth_Avenue_Line", "kind": "wikipedia", "quote": "Construction of the whole line cost $191.2 million", "tier": "tertiary", "title": "IND Eighth Avenue Line — Wikipedia (construction cost)", "url": "https://en.wikipedia.org/wiki/IND_Eighth_Avenue_Line" }, { "accessedAt": "2026-06-11", "archivedUrl": "https://web.archive.org/web/20251107122724/https://www.nytimes.com/1932/09/09/archives/new-line-first-unit-in-citywide-system-8th-av-tube-to-ease-west.html", "kind": "news", "publisher": "The New York Times", "quote": "Cost Has Been $191,200,000 [from article title; body inaccessible]", "tier": "secondary", "title": "New Line First Unit In City-Wide System; 8th Av. Tube to Ease West Side Congestion at Once — Cost Has Been $191,200,000", "url": "https://www.nytimes.com/1932/09/09/archives/new-line-first-unit-in-citywide-system-8th-av-tube-to-ease-west.html", "via": "https://en.wikipedia.org/wiki/116th_Street_station_(IND_Eighth_Avenue_Line)" } ] }, "geometryRef": "nyc-IND Eighth Avenue Line", "id": "nyc-ind-eighth-avenue-line-19320910-0", "kind": "initial", "label": { "en": "Stage 1 opens: Chambers Street–Hudson Terminal → 207th Street (IND first system trunk)" }, "notes": "[Date chase 2026-06-12] Groundbreaking ceremony held March 14, 1925 at St. Nicholas Ave & W 123rd St (per NYT 1925-03-14); actual excavation began April 3, 1925 at St. Nicholas Ave & W 128th St (per nycsubway.org). Both confirm the curated 1925 construction start. [Opening-date chase 2026-06-13] Opening was revenue service (no separate ceremonial first run); three prior days of test running without passengers per Wikipedia.", "opened": "1932-09-10", "segment": { "fromStopIndex": 0, "toStopIndex": 27 }, "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260611124132/https://en.wikipedia.org/wiki/IND_Eighth_Avenue_Line", "kind": "wikipedia", "quote": "the majority of the Eighth Avenue Line, from Chambers Street north to 207th Street, was opened to the public just after midnight on September 10, 1932", "tier": "tertiary", "title": "IND Eighth Avenue Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IND_Eighth_Avenue_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260530130346/https://en.wikipedia.org/wiki/Chambers_Street%E2%80%93World_Trade_Center/Park_Place/Cortlandt_Street_station", "kind": "wikipedia", "quote": "The Chambers Street and Hudson Terminal stations on the Eighth Avenue Line opened just after midnight on September 10, 1932, as the southern terminus of the city-operated IND's initial segment, the Eighth Avenue Line between Chambers Street–Hudson Terminal and 207th Street.", "tier": "tertiary", "title": "Chambers Street–World Trade Center/Park Place/Cortlandt Street station — Wikipedia", "url": "https://en.wikipedia.org/wiki/Chambers_Street%E2%80%93World_Trade_Center/Park_Place/Cortlandt_Street_station" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260611124132/https://en.wikipedia.org/wiki/IND_Eighth_Avenue_Line", "kind": "wikipedia", "quote": "Construction of the whole line cost $191.2 million", "tier": "tertiary", "title": "IND Eighth Avenue Line — Wikipedia (construction cost)", "url": "https://en.wikipedia.org/wiki/IND_Eighth_Avenue_Line" }, { "accessedAt": "2026-06-12", "kind": "news", "publisher": "The New York Times", "quote": "Will Break Ground Today for New Uptown Subway [headline, March 14, 1925]", "tier": "primary", "title": "Will Break Ground Today for New Uptown Subway", "url": "https://www.nytimes.com/1925/03/14/archives/englandaustralia-air-route-via-america-seen-in-3-years.html", "via": "https://en.wikipedia.org/wiki/IND_Eighth_Avenue_Line" }, { "accessedAt": "2026-06-12", "archivedUrl": "https://web.archive.org/web/20260613162715/https://www.nycsubway.org/wiki/History_of_the_Independent_Subway", "kind": "other", "publisher": "nycsubway.org", "quote": "On Saturday, March 14th, 1925, an official groundbreaking ceremony took place at St. Nicholas Avenue and West 123rd Street. Thursday, April 3rd, 1925 marked the real groundbreaking at St. Nicholas Avenue and West 128th St, where actual construction began.", "tier": "tertiary", "title": "History of the Independent Subway — nycsubway.org", "url": "http://www.nycsubway.org/wiki/History_of_the_Independent_Subway", "via": "https://en.wikipedia.org/wiki/Independent_Subway_System" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20140313143351/http://select.nytimes.com/gst/abstract.html?res=FA0D13F7395513738DDDA90994D1405B828FF1D3", "kind": "news", "publisher": "The New York Times", "quote": "Gay Midnight Crowd Rides First Trains in New Subway [September 10, 1932, page 1 — cited in Wikipedia wikitext as ref name='Chambers'; direct access blocked by NYT paywall]", "tier": "secondary", "title": "Gay Midnight Crowd Rides First Trains in New Subway", "url": "https://select.nytimes.com/gst/abstract.html?res=FA0D13F7395513738DDDA90994D1405B828FF1D3", "via": "https://en.wikipedia.org/wiki/IND_Eighth_Avenue_Line" } ], "stationCount": 19 }, { "confidence": "high", "geometryRef": "nyc-IND Eighth Avenue Line", "id": "nyc-ind-eighth-avenue-line-19330201-1", "kind": "extension", "label": { "en": "Brooklyn extension opens: Chambers Street → Jay Street–Borough Hall via the Cranberry Street Tunnel (plus Broadway–Nassau Street/Fulton St station)" }, "notes": "[Opening-date chase 2026-06-13] High Street station was intentionally excluded from this opening (trains passed through without stopping) because its escalators were not yet complete; it opened separately on 1933-06-24.", "opened": "1933-02-01", "segment": { "fromStopIndex": 27, "toStopIndex": 28 }, "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260611124132/https://en.wikipedia.org/wiki/IND_Eighth_Avenue_Line", "kind": "wikipedia", "quote": "The Cranberry Street Tunnel, extending the express tracks east under Fulton Street to Jay Street–Borough Hall in Brooklyn, was opened for the morning rush hour on February 1, 1933", "tier": "tertiary", "title": "IND Eighth Avenue Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IND_Eighth_Avenue_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260601044839/https://en.wikipedia.org/wiki/Fulton_Street_station_(New_York_City_Subway)", "kind": "wikipedia", "quote": "the Broadway–Nassau Street station ... was the latest in the complex to be completed, opening on February 1, 1933", "tier": "tertiary", "title": "Fulton Street station (New York City Subway) — Wikipedia", "url": "https://en.wikipedia.org/wiki/Fulton_Street_station_(New_York_City_Subway)" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20260613162715/https://timesmachine.nytimes.com/timesmachine/1933/02/01/105382841.pdf", "kind": "news", "publisher": "The New York Times", "quote": "City Opens Subway to Brooklyn Today: Regular Express Service on the Extension of Independent Line Starts at 6:05 A.M. [February 1, 1933, page 19 — cited in Wikipedia wikitext as ref name='Jay'; paywall/archive access blocked]", "tier": "secondary", "title": "City Opens Subway to Brooklyn Today: Regular Express Service on the Extension of Independent Line Starts at 6:05 A.M.", "url": "https://timesmachine.nytimes.com/timesmachine/1933/02/01/105382841.pdf", "via": "https://en.wikipedia.org/wiki/High_Street_station_(IND_Eighth_Avenue_Line)" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20250829020639/https://www.nytimes.com/1933/01/29/archives/new-subway-link-opens-wednesday-independent-line-will-offer-express.html", "kind": "news", "publisher": "The New York Times", "quote": "New Subway Link Opens Wednesday [January 29, 1933 — advance notice article confirming February 1 as the planned opening date; access blocked by paywall]", "tier": "secondary", "title": "New Subway Link Opens Wednesday: Independent Line Will Offer Express Service to Borough Hall in Brooklyn", "url": "https://www.nytimes.com/1933/01/29/archives/new-subway-link-opens-wednesday-independent-line-will-offer-express.html", "via": "https://en.wikipedia.org/wiki/IND_Eighth_Avenue_Line" } ], "stationCount": 2 }, { "confidence": "medium", "geometryRef": "nyc-IND Eighth Avenue Line", "id": "nyc-ind-eighth-avenue-line-19330624-2", "kind": "extension", "label": { "en": "Infill station opens: High Street (on the Brooklyn / Cranberry Street Tunnel extension)" }, "notes": "[Opening-date chase 2026-06-13] Infill opening of High Street station, delayed ~5 months from the Feb 1 1933 extension because its escalators (needed for the station's ~70-foot depth) were incomplete; public revenue-service opening, no ceremonial distinction noted.", "opened": "1933-06-24", "segment": { "fromStopIndex": 28, "toStopIndex": 29 }, "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260611124132/https://en.wikipedia.org/wiki/IND_Eighth_Avenue_Line", "kind": "wikipedia", "quote": "High Street, which opened on June 24, 1933", "tier": "tertiary", "title": "IND Eighth Avenue Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IND_Eighth_Avenue_Line" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20260613162806/https://timesmachine.nytimes.com/timesmachine/1933/06/25/105395482.html?pdf_redirect=true&site=false", "kind": "news", "publisher": "The New York Times", "quote": "High St. Station, Brooklyn, Opened [June 25, 1933 article reporting on opening that occurred June 24, 1933; cited in Wikipedia wikitext as ref name='NYTimes-INDHighSt-June1933'; paywall/archive access blocked]", "tier": "secondary", "title": "Jobs Are All Filled on Subway Links – Board Reports Thousands Already Listed – High St. Station, Brooklyn, Opened", "url": "https://timesmachine.nytimes.com/timesmachine/1933/06/25/105395482.pdf", "via": "https://en.wikipedia.org/wiki/High_Street_station_(IND_Eighth_Avenue_Line)" } ], "stationCount": 1 } ], "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260611124132/https://en.wikipedia.org/wiki/IND_Eighth_Avenue_Line", "kind": "wikipedia", "quote": "the majority of the Eighth Avenue Line, from Chambers Street north to 207th Street, was opened to the public just after midnight on September 10, 1932", "tier": "tertiary", "title": "IND Eighth Avenue Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IND_Eighth_Avenue_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260530130346/https://en.wikipedia.org/wiki/Chambers_Street%E2%80%93World_Trade_Center/Park_Place/Cortlandt_Street_station", "kind": "wikipedia", "quote": "The Chambers Street and Hudson Terminal stations on the Eighth Avenue Line opened just after midnight on September 10, 1932, as the southern terminus of the city-operated IND's initial segment, the Eighth Avenue Line between Chambers Street–Hudson Terminal and 207th Street.", "tier": "tertiary", "title": "Chambers Street–World Trade Center/Park Place/Cortlandt Street station — Wikipedia", "url": "https://en.wikipedia.org/wiki/Chambers_Street%E2%80%93World_Trade_Center/Park_Place/Cortlandt_Street_station" } ] }, { "cityId": "nyc", "color": "#FF6319", "displayNumber": "IND Sixth Avenue Line", "id": "nyc-line-ind-sixth-avenue-line", "name": { "en": "IND Sixth Avenue Line" }, "phases": [ { "confidence": "medium", "constructionStart": "1929", "geometryRef": "nyc-IND Sixth Avenue Line", "id": "nyc-ind-sixth-avenue-line-19360101-0", "kind": "initial", "label": { "en": "Houston & Essex Street Line opens: West Fourth Street junction → East Broadway (temporary terminal)" }, "notes": "Contract awarded to Corson Construction January 1929; construction officially began May 1929. Two local tracks from a junction with the Eighth Avenue Line east under Houston Street, south under Essex Street to a temporary terminal at East Broadway. E trains shifted to terminate at East Broadway. [Date chase 2026-06-12] Construction officially started May 1929 (contract awarded to Corson Construction Jan 1929); NYT groundbreaking source May 2, 1929 is paywalled.", "opened": "1936-01-01", "segment": { "fromStopIndex": 3, "toStopIndex": 4 }, "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260106141837/https://en.wikipedia.org/wiki/IND_Sixth_Avenue_Line", "kind": "wikipedia", "quote": "The Houston and Essex Street Line began operations at noon on January 1, 1936, with two local tracks from a junction with the Eighth Avenue Line south of West Fourth Street–Washington Square east under Houston Street and south under Essex Street to a temporary terminal at East Broadway.", "tier": "tertiary", "title": "IND Sixth Avenue Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IND_Sixth_Avenue_Line" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20251006003128/https://www.nytimes.com/1936/01/02/archives/la-guardia-opens-new-subway-link-warmly-praises-delaney-as-he-puts.html", "kind": "news", "publisher": "The New York Times", "quote": "Title references LaGuardia opening; article date January 2, 1936 reporting on January 1 opening. Wikipedia cites this as ref 'East Broadway' directly supporting 'began operations at noon on January 1, 1936.'", "tier": "secondary", "title": "LaGuardia Opens New Subway Link", "url": "https://www.nytimes.com/1936/01/02/archives/la-guardia-opens-new-subway-link-warmly-praises-delaney-as-he-puts.html", "via": "https://en.wikipedia.org/wiki/IND_Sixth_Avenue_Line" } ] }, { "confidence": "medium", "constructionStart": "1930", "geometryRef": null, "id": "nyc-ind-sixth-avenue-line-19360409-1", "kind": "extension", "label": { "en": "Rutgers Street Tunnel opens: East Broadway → Culver Line (under East River to Brooklyn, junction north of Jay Street–Borough Hall)" }, "notes": "Rutgers Street Tunnel contract awarded May 1930. Service began just after midnight, connecting the Houston-Essex Street Line under the East River to the north end of the Culver Line at a junction with the Eighth Avenue Line north of Jay Street–Borough Hall. Adds York Street station on the Manhattan/Brooklyn approach. [Date chase 2026-06-12] Rutgers Street Tunnel contract awarded May 1930 (NYT May 22, 1930); no explicit groundbreaking date found, so 1930 is supported via contract-award month. [Opening-date chase 2026-06-13] Revenue service began just after midnight on April 9, 1936 (public opening, not ceremonial).", "opened": "1936-04-09", "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260106141837/https://en.wikipedia.org/wiki/IND_Sixth_Avenue_Line", "kind": "wikipedia", "quote": "Just after midnight on April 9, 1936, trains began running under the East River via the Rutgers Street Tunnel, which connected the Houston-Essex Street Line with the north end of the Culver Line at a junction with the Eighth Avenue Line north of Jay Street–Borough Hall.", "tier": "tertiary", "title": "IND Sixth Avenue Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IND_Sixth_Avenue_Line" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20250616044219/https://www.nytimes.com/1936/04/06/archives/two-subway-links-start-wednesday-city-will-begin-operating-fulton.html", "kind": "news", "publisher": "The New York Times", "quote": "Advance article (April 6, 1936) reporting that the Rutgers Street Tunnel link starts Wednesday (April 9). Wikipedia cites this as ref 'Rutgers' to support the April 9, 1936 opening.", "tier": "secondary", "title": "Two Subway Links Start Wednesday", "url": "https://www.nytimes.com/1936/04/06/archives/two-subway-links-start-wednesday-city-will-begin-operating-fulton.html", "via": "https://en.wikipedia.org/wiki/IND_Sixth_Avenue_Line" } ] }, { "confidence": "medium", "constructionStart": "1936", "cost": { "basis": "outturn", "confidence": "high", "nominal": { "currency": "USD", "isEstimate": false, "value": 59500000, "year": 1940 }, "notes": "Wikipedia states the construction of the Sixth Avenue Line cost $59.5 million. Figure represents the cost of the Sixth Avenue subway (Midtown trunk) project. Mayor La Guardia broke ground at Bryant Park on March 23, 1936; multiple section contracts awarded Oct 1935–Jun 1937. New stations: West Fourth Street (lower level), 34th Street–Herald Square, 42nd Street–Bryant Park, 47th–50th Streets–Rockefeller Center. [Citation chase 2026-06-11] The $59,500,000 figure is the actual (outturn) construction cost in nominal 1940 USD, reported by The New York Times on opening day (Dec 15, 1940; headline \"WORK COST $59,500,000\"), and covers the ~2-mile Midtown trunk (West Fourth Street to 47th–50th Streets).", "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260106141837/https://en.wikipedia.org/wiki/IND_Sixth_Avenue_Line", "kind": "wikipedia", "quote": "On December 15, 1940, local subway service began on Sixth Avenue from the West Fourth Street subway station to the 47th–50th Streets station with track connections to the IND 53rd Street Line. The construction of the Sixth Avenue Line cost $59.5 million.", "tier": "tertiary", "title": "IND Sixth Avenue Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IND_Sixth_Avenue_Line" }, { "accessedAt": "2026-06-11", "archivedUrl": "https://web.archive.org/web/20251002092503/https://www.nytimes.com/1940/12/15/archives/new-subway-line-on-6th-ave-opens-at-midnight-fete-mayor-and-2000.html", "kind": "news", "publisher": "The New York Times", "quote": "The Sixth Avenue subway, built at a cost of $59,500,000, began regular passenger operation at 12:01 A.M.", "tier": "primary", "title": "New Subway Line on 6th Ave. Opens at Midnight Fete", "url": "https://www.nytimes.com/1940/12/15/archives/new-subway-line-on-6th-ave-opens-at-midnight-fete-mayor-and-2000.html", "via": "https://en.wikipedia.org/wiki/IND_Sixth_Avenue_Line" } ] }, "geometryRef": "nyc-IND Sixth Avenue Line", "id": "nyc-ind-sixth-avenue-line-19401215-2", "kind": "extension", "label": { "en": "Midtown trunk opens: West Fourth Street → 47th–50th Streets (Sixth Avenue main line)" }, "notes": "Local service began on Sixth Avenue from West Fourth Street to the 47th–50th Streets station with track connections to the IND 53rd Street Line. Required underpinning the Sixth Avenue Elevated and threading between the H&M tubes and the Catskill Aqueduct. [Date chase 2026-06-12] Midtown Sixth Avenue subway groundbreaking by La Guardia at Bryant Park on March 23, 1936 (earlier 40th-47th St contracts let Oct 1935).", "opened": "1940-12-15", "segment": { "fromStopIndex": 0, "toStopIndex": 3 }, "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260106141837/https://en.wikipedia.org/wiki/IND_Sixth_Avenue_Line", "kind": "wikipedia", "quote": "On December 15, 1940, local subway service began on Sixth Avenue from the West Fourth Street subway station to the 47th–50th Streets station with track connections to the IND 53rd Street Line. The construction of the Sixth Avenue Line cost $59.5 million.", "tier": "tertiary", "title": "IND Sixth Avenue Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IND_Sixth_Avenue_Line" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20251002092503/https://www.nytimes.com/1940/12/15/archives/new-subway-line-on-6th-ave-opens-at-midnight-fete-mayor-and-2000.html", "kind": "news", "publisher": "The New York Times", "quote": "Title confirms midnight opening on 6th Ave. (December 15, 1940). Wikipedia cites this as ref 'The New York Times 1940' for the December 15, 1940 opening.", "tier": "secondary", "title": "New Subway Line on 6th Ave. Opens at Midnight Fete", "url": "https://www.nytimes.com/1940/12/15/archives/new-subway-line-on-6th-ave-opens-at-midnight-fete-mayor-and-2000.html", "via": "https://en.wikipedia.org/wiki/IND_Sixth_Avenue_Line" } ], "stationCount": 4 }, { "confidence": "medium", "constructionStart": "1961", "cost": { "basis": "estimate", "confidence": "medium", "nominal": { "currency": "USD", "isEstimate": true, "value": 22000000, "year": 1961 }, "notes": "Cost cited for the $22 million project to build two express tracks between West Fourth Street and 34th Street–Herald Square; this covers the express-track project, not the full Chrystie Street Connection. Price-level reflects the 1961 groundbreaking/contract estimate. [Citation chase 2026-06-11] The $22M figure is corroborated by the NYT (Levey, Apr 19, 1961) headline/metadata (\"1964 Finish Set for $22,000,000 Job\"), confirming it as the 1961 groundbreaking projection; the article body is paywalled and the NYCTA groundbreaking brochure (thejoekorner.com) is offline/image-only, so it remains unverifiable.", "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260106141837/https://en.wikipedia.org/wiki/IND_Sixth_Avenue_Line", "kind": "wikipedia", "quote": "On April 19, 1961, ground was broken for a $22 million project to build two express tracks between the West Fourth Street and 34th Street–Herald Square stations.", "tier": "tertiary", "title": "IND Sixth Avenue Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IND_Sixth_Avenue_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260106141837/https://en.wikipedia.org/wiki/IND_Sixth_Avenue_Line", "kind": "wikipedia", "quote": "On November 26, 1967, the first part of the Chrystie Street Connection opened and Sixth Avenue Line express tracks opened from 34th Street–Herald Square to West Fourth Street–Washington Square.", "tier": "tertiary", "title": "IND Sixth Avenue Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IND_Sixth_Avenue_Line" }, { "accessedAt": "2026-06-11", "archivedUrl": "https://web.archive.org/web/20250830061715/https://www.nytimes.com/1961/04/19/archives/construction-of-new-ind-tunnel-for-6th-ave-line-begins-today.html", "kind": "news", "publisher": "The New York Times", "quote": "1964 Finish Set for $22,000,000 Job; work to start on $22-million deep-level express' tunnel for 6th Av IND, W 4th-34th Sts", "tier": "secondary", "title": "Construction of New IND Tunnel For 6th Ave. Line Begins Today; Express Tracks Deep Under Street to Run From 4th to 34th St. – 1964 Finish Set for $22,000,000 Job", "url": "https://www.nytimes.com/1961/04/19/archives/construction-of-new-ind-tunnel-for-6th-ave-line-begins-today.html", "via": "https://en.wikipedia.org/wiki/IND_Sixth_Avenue_Line" }, { "accessedAt": "2026-06-11", "kind": "news", "publisher": "The New York Times (via Wayback Machine)", "quote": "1964 Finish Set for $22,000,000 Job; description: work to start on $22-million deep-level express' tunnel for 6th Av IND, W 4th-34th Sts", "tier": "secondary", "title": "Construction of New IND Tunnel For 6th Ave. Line Begins Today; Express Tracks Deep Under Street to Run From 4th to 34th St. – 1964 Finish Set for $22,000,000 Job", "url": "http://web.archive.org/web/20250830061715/https://www.nytimes.com/1961/04/19/archives/construction-of-new-ind-tunnel-for-6th-ave-line-begins-today.html", "via": "https://en.wikipedia.org/wiki/IND_Sixth_Avenue_Line" } ] }, "geometryRef": "nyc-IND Sixth Avenue Line", "id": "nyc-ind-sixth-avenue-line-19671126-3", "kind": "extension", "label": { "en": "Express tracks + Chrystie Street Connection (phase 1) open: West Fourth Street → 34th Street–Herald Square express, connection to Manhattan Bridge" }, "notes": "Ground broken April 19, 1961. The first part of the Chrystie Street Connection opened along with the Sixth Avenue express tracks. No new stations added (express tracks parallel existing stations); connection routed B/D services to the BMT southern division via the Manhattan Bridge. [Date chase 2026-06-12] Ground broken April 19, 1961 for the $22M express-tracks project (NYT 'Construction of New IND Tunnel For 6th Ave. Line Begins Today', Apr 19, 1961).", "opened": "1967-11-26", "segment": { "fromStopIndex": 4, "toStopIndex": 7 }, "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260106141837/https://en.wikipedia.org/wiki/IND_Sixth_Avenue_Line", "kind": "wikipedia", "quote": "On April 19, 1961, ground was broken for a $22 million project to build two express tracks between the West Fourth Street and 34th Street–Herald Square stations.", "tier": "tertiary", "title": "IND Sixth Avenue Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IND_Sixth_Avenue_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260106141837/https://en.wikipedia.org/wiki/IND_Sixth_Avenue_Line", "kind": "wikipedia", "quote": "On November 26, 1967, the first part of the Chrystie Street Connection opened and Sixth Avenue Line express tracks opened from 34th Street–Herald Square to West Fourth Street–Washington Square.", "tier": "tertiary", "title": "IND Sixth Avenue Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IND_Sixth_Avenue_Line" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20260613162811/https://timesmachine.nytimes.com/timesmachine/1967/11/16/90418352.html?pdf_redirect=true&site=false", "kind": "news", "publisher": "The New York Times", "quote": "Advance article (November 16, 1967) confirming service changes will take effect November 26, 1967. Wikipedia cites as ref 'NYTimes-ChrystieStChanges-1967.'", "tier": "secondary", "title": "Subway Changes to Speed Service: Major Alterations in Maps, Routes and Signs Will Take Effect Nov. 26", "url": "https://timesmachine.nytimes.com/timesmachine/1967/11/16/90418352.pdf", "via": "https://en.wikipedia.org/wiki/IND_Sixth_Avenue_Line" } ] }, { "confidence": "medium", "geometryRef": null, "id": "nyc-ind-sixth-avenue-line-19680701-4", "kind": "extension", "label": { "en": "57th Street station + Chrystie Street Connection (phase 2) open: connection to Williamsburg Bridge" }, "notes": "The 57th Street station and the portion of the Chrystie Street Connection linking the line to the Williamsburg Bridge opened. New station: 57th Street (northern terminus stub). [Opening-date chase 2026-06-13] Revenue/public service began July 1, 1968 (NYT 'Skip-Stop Subway Begins Run Today'). The June 27, 1968 platform luncheon was a ceremonial pre-opening event, not the public opening.", "opened": "1968-07-01", "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260106141837/https://en.wikipedia.org/wiki/IND_Sixth_Avenue_Line", "kind": "wikipedia", "quote": "On July 1, 1968, the 57th Street station and the portion of the Chrystie Street Connection connecting the line with the Williamsburg Bridge opened.", "tier": "tertiary", "title": "IND Sixth Avenue Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IND_Sixth_Avenue_Line" }, { "accessedAt": "2026-06-13", "kind": "news", "publisher": "The New York Times", "quote": "Article dated July 1, 1968 ('Run Today') confirming revenue-service start of KK/Williamsburg Bridge connection. Wikipedia cites as ref 'Hofmann 1968.'", "tier": "secondary", "title": "Skip-Stop Subway Begins Run Today – KK Line Links 3 Boroughs – Other Routes Changed", "url": "https://query.nytimes.com/gst/abstract.html?res=9E07E6DD1131E034BC4953DFB1668383679EDE&legacy=true", "via": "https://en.wikipedia.org/wiki/IND_Sixth_Avenue_Line" } ], "stationCount": 1 }, { "confidence": "medium", "geometryRef": null, "id": "nyc-ind-sixth-avenue-line-198910-5", "kind": "extension", "label": { "en": "IND 63rd Street Line connection opens at 57th Street stub (to 21st Street–Queensbridge)" }, "notes": "The stub-end tracks beyond 57th Street were connected to the IND 63rd Street Line when the latter opened in October 1989 (initial segment to 21st Street–Queensbridge). This was an extension off the Sixth Avenue trunk; new stations are on the 63rd Street Line proper. [Opening-date chase 2026-06-13] Exact opening date is October 29, 1989 (IND 63rd Street Line opening); curated month-only date can be refined to 1989-10-29.", "opened": "1989-10", "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260106141837/https://en.wikipedia.org/wiki/IND_Sixth_Avenue_Line", "kind": "wikipedia", "quote": "The stub-end tracks were eventually connected to the IND 63rd Street Line when the latter opened in October 1989.", "tier": "tertiary", "title": "IND Sixth Avenue Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IND_Sixth_Avenue_Line" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20250812052122/https://www.nytimes.com/1989/10/29/nyregion/the-subway-to-nowhere-now-goes-somewhere.html", "kind": "news", "publisher": "The New York Times", "quote": "Article dated October 29, 1989, reporting on the IND 63rd Street Line opening. Wikipedia cites this directly in the passage about the October 1989 opening.", "tier": "secondary", "title": "The 'Subway to Nowhere' Now Goes Somewhere", "url": "https://www.nytimes.com/1989/10/29/nyregion/the-subway-to-nowhere-now-goes-somewhere.html", "via": "https://en.wikipedia.org/wiki/IND_Sixth_Avenue_Line" } ] }, { "confidence": "medium", "geometryRef": null, "id": "nyc-ind-sixth-avenue-line-20011216-6", "kind": "extension", "label": { "en": "63rd Street Connector to Queens Boulevard Line comes into regular use" }, "notes": "The 63rd Street Connector (linking the 63rd Street Line to the Queens Boulevard Line) came into regular use, enabling new V service operating via the Sixth Avenue Line. Affects routing/through-service rather than adding stations on the Sixth Avenue trunk itself. [Opening-date chase 2026-06-13] 63rd Street Connector first regular use was Dec 16, 2001 (F-train rerouting); the new V train began Dec 17, 2001.", "opened": "2001-12-16", "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260106141837/https://en.wikipedia.org/wiki/IND_Sixth_Avenue_Line", "kind": "wikipedia", "quote": "The Connector came into regular use on December 16, 2001.", "tier": "tertiary", "title": "IND Sixth Avenue Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IND_Sixth_Avenue_Line" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20251006003126/https://www.nytimes.com/2001/12/17/nyregion/v-train-begins-service-today-giving-queens-commuters-another-option.html", "kind": "news", "publisher": "The New York Times", "quote": "Article dated December 17, 2001, reporting the V train 'Begins Service Today.' The V train debuted December 17; the Connector itself came into use December 16 via F train rerouting. Supports the December 2001 timeframe but the V train specifically started December 17.", "tier": "secondary", "title": "V Train Begins Service Today, Giving Queens Commuters Another Option", "url": "https://www.nytimes.com/2001/12/17/nyregion/v-train-begins-service-today-giving-queens-commuters-another-option.html", "via": "https://en.wikipedia.org/wiki/IND_Sixth_Avenue_Line" } ] } ], "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260106141837/https://en.wikipedia.org/wiki/IND_Sixth_Avenue_Line", "kind": "wikipedia", "quote": "The Houston and Essex Street Line began operations at noon on January 1, 1936, with two local tracks from a junction with the Eighth Avenue Line south of West Fourth Street–Washington Square east under Houston Street and south under Essex Street to a temporary terminal at East Broadway.", "tier": "tertiary", "title": "IND Sixth Avenue Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IND_Sixth_Avenue_Line" } ] }, { "cityId": "nyc", "color": "#00ADD0", "displayNumber": "IND Second Avenue Line", "id": "nyc-line-ind-second-avenue-line", "name": { "en": "IND Second Avenue Line" }, "phases": [ { "confidence": "high", "constructionStart": "2007", "cost": { "basis": "budget", "confidence": "medium", "nominal": { "currency": "USD", "isEstimate": false, "value": 4450000000, "year": 2017 }, "notes": "Final outturn cost of Phase 1 (three new stations plus two miles of tunnel). Construction first began under the 1960s/70s Program for Action — tunnel segments were bored at 99th-105th St (Oct 1972), 110th-120th St (Mar 1973), Canal St (Oct 1973) and 2nd-9th St (Jul 1974) before a stop-work order in Sept 1975; the 99th-105th St segment was incorporated into modern Phase 1. Modern Phase 1 ceremonial groundbreaking was 12 Apr 2007 with actual construction (utility relocation) starting 23 Apr 2007. [Citation chase 2026-06-11] The $4.45B figure is corroborated by contemporary sources (Mass Transit Magazine, Aug 2016; CBS News, Sept 2015) but these are pre-opening budget projections; no post-opening MTA outturn certification was located, so this is best understood as the authorized/budgeted figure that the project tracked to (Phase 1 opened on time and on budget).", "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260525233856/https://en.wikipedia.org/wiki/Construction_of_the_Second_Avenue_Subway", "kind": "wikipedia", "quote": "The first phase of the line, consisting of three newly built stations and two miles (3.2 km) of tunnel, cost $4.45 billion.", "tier": "tertiary", "title": "Construction of the Second Avenue Subway — Wikipedia", "url": "https://en.wikipedia.org/wiki/Construction_of_the_Second_Avenue_Subway" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260525233856/https://en.wikipedia.org/wiki/Construction_of_the_Second_Avenue_Subway", "kind": "wikipedia", "quote": "Actual construction work began on April 23, 2007, with the relocation of utility pipes, wires, and other infrastructure.", "tier": "tertiary", "title": "Construction of the Second Avenue Subway — Wikipedia", "url": "https://en.wikipedia.org/wiki/Construction_of_the_Second_Avenue_Subway" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260606154024/https://en.wikipedia.org/wiki/Second_Avenue_Subway", "kind": "wikipedia", "quote": "On December 19, the start of revenue service was announced as noon on January 1, 2017.", "tier": "tertiary", "title": "Second Avenue Subway — Wikipedia", "url": "https://en.wikipedia.org/wiki/Second_Avenue_Subway" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260315113713/https://www.mcny.org/story/ringing-new-year-second-avenue-subway", "kind": "other", "quote": "Phase 1 of the Second Avenue Subway opened for service on January 1, 2017", "tier": "secondary", "title": "Ringing in the New Year with the Second Avenue Subway — Museum of the City of New York", "url": "https://www.mcny.org/story/ringing-new-year-second-avenue-subway" }, { "accessedAt": "2026-06-11", "archivedUrl": "https://web.archive.org/web/20260305132253/https://www.masstransitmag.com/rail/article/12227191/project-update-second-avenue-subway", "kind": "news", "publisher": "Mass Transit Magazine", "quote": "New York Metropolitan Transportation Authority's (MTA) Second Avenue Subway is a 4.45 billion dollar project that has been in the making for the past 87 years.", "tier": "secondary", "title": "Project Update: Second Avenue Subway", "url": "https://www.masstransitmag.com/rail/article/12227191/project-update-second-avenue-subway", "via": "https://en.wikipedia.org/wiki/Construction_of_the_Second_Avenue_Subway" }, { "accessedAt": "2026-06-11", "archivedUrl": "https://web.archive.org/web/20260211143314/https://www.cbsnews.com/news/drones-exclusive-look-at-new-york-city-second-avenue-subway-line/", "kind": "news", "publisher": "CBS News", "quote": "It's four and a half billion dollars for three stations.", "tier": "secondary", "title": "Drone takes tour of NYC's 2nd Avenue subway line", "url": "https://www.cbsnews.com/news/drones-exclusive-look-at-new-york-city-second-avenue-subway-line/", "via": "https://en.wikipedia.org/wiki/Construction_of_the_Second_Avenue_Subway" } ] }, "geometryRef": "nyc-IND Second Avenue Line", "id": "nyc-ind-second-avenue-line-20170101-0", "kind": "initial", "label": { "en": "Phase 1 opens: 63rd Street → 96th Street (Q train extension up Second Avenue)" }, "notes": "[Date chase 2026-06-12] The two underlying MTA primary sources cited by Wikipedia — the MTA Capital Construction History page (web.info/capconstr/sas/background.html) and the April 12, 2007 MTA 'Breaks Ground' press release — are both dead links; the press-release archive snapshot (web.archive.org 20151221130833) was offline and could not be fetched, so both remain unverifiable. Secondary/tertiary corroboration is sufficient to confirm the 2007 year. [Opening-date chase 2026-06-13] A ceremonial/VIP-only first train ran the evening of December 31, 2016 (New Year's Eve, ~10:30 PM from 72nd St) with Gov. Cuomo and Mayor de Blasio; that was not revenue service. Regular public service began at noon on January 1, 2017.", "opened": "2017-01-01", "segment": { "fromStopIndex": 0, "toStopIndex": 2 }, "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260525233856/https://en.wikipedia.org/wiki/Construction_of_the_Second_Avenue_Subway", "kind": "wikipedia", "quote": "The first phase of the line, consisting of three newly built stations and two miles (3.2 km) of tunnel, cost $4.45 billion.", "tier": "tertiary", "title": "Construction of the Second Avenue Subway — Wikipedia", "url": "https://en.wikipedia.org/wiki/Construction_of_the_Second_Avenue_Subway" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260525233856/https://en.wikipedia.org/wiki/Construction_of_the_Second_Avenue_Subway", "kind": "wikipedia", "quote": "Actual construction work began on April 23, 2007, with the relocation of utility pipes, wires, and other infrastructure.", "tier": "tertiary", "title": "Construction of the Second Avenue Subway — Wikipedia", "url": "https://en.wikipedia.org/wiki/Construction_of_the_Second_Avenue_Subway" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260606154024/https://en.wikipedia.org/wiki/Second_Avenue_Subway", "kind": "wikipedia", "quote": "On December 19, the start of revenue service was announced as noon on January 1, 2017.", "tier": "tertiary", "title": "Second Avenue Subway — Wikipedia", "url": "https://en.wikipedia.org/wiki/Second_Avenue_Subway" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260315113713/https://www.mcny.org/story/ringing-new-year-second-avenue-subway", "kind": "other", "quote": "Phase 1 of the Second Avenue Subway opened for service on January 1, 2017", "tier": "secondary", "title": "Ringing in the New Year with the Second Avenue Subway — Museum of the City of New York", "url": "https://www.mcny.org/story/ringing-new-year-second-avenue-subway" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20260407050842/https://www.wnyc.org/story/see-new-years-eve-party-and-2nd-ave-subway/", "kind": "news", "publisher": "WNYC", "quote": "The new stations at 96th, 86th and 72nd opened to the public at noon Sunday.", "tier": "secondary", "title": "See Inside: The 2nd Avenue Subway Opens to All — WNYC", "url": "http://www.wnyc.org/story/see-new-years-eve-party-and-2nd-ave-subway", "via": "https://en.wikipedia.org/wiki/Second_Avenue_Subway" } ], "stationCount": 3 } ], "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260525233856/https://en.wikipedia.org/wiki/Construction_of_the_Second_Avenue_Subway", "kind": "wikipedia", "quote": "The first phase of the line, consisting of three newly built stations and two miles (3.2 km) of tunnel, cost $4.45 billion.", "tier": "tertiary", "title": "Construction of the Second Avenue Subway — Wikipedia", "url": "https://en.wikipedia.org/wiki/Construction_of_the_Second_Avenue_Subway" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260411061213/https://www.governor.ny.gov/news/governor-hochul-announces-second-avenue-subway-phase-2-moving-forward-award-tunneling-contract", "kind": "primary", "quote": "The project budget is $6.99 billion and is funded in part by revenues from the Congestion Relief Zone tolling program.", "tier": "primary", "title": "Governor Hochul Announces Second Avenue Subway Phase 2 Moving Forward — NY State (Governor's Office)", "url": "https://www.governor.ny.gov/news/governor-hochul-announces-second-avenue-subway-phase-2-moving-forward-award-tunneling-contract" } ] }, { "cityId": "nyc", "color": "#00ADD0", "displayNumber": "IND 63rd Street Line", "id": "nyc-line-ind-63rd-street-line", "name": { "en": "IND 63rd Street Line" }, "phases": [ { "confidence": "high", "constructionStart": "1969", "cost": { "basis": "outturn", "confidence": "medium", "nominal": { "currency": "USD", "isEstimate": false, "value": 898000000, "year": 1989 }, "notes": "Total expenditure on the IND 63rd Street Line as stated in the Independent Subway System article. Sources conflict on the final figure: Congressional/other sources cite ~$868 million at 1989 opening; the original tunnel construction was estimated at $341 million (with $227 million in federal funds sought); by 1985 the line had reportedly cost ~$800 million plus ~$200 million more needed in fixes. Figure covers the full line/tunnel (including the lower level later used by the BMT 63rd Street Line / Second Avenue Subway), not the IND upper level alone. Using the widely-cited $898 million expenditure-at-opening figure. [Citation chase 2026-06-11] Independently corroborated by nycsubway.org (Peggy Darlington), which states the 63rd Street Extension \"had cost $898 million\" for the 1969–1989 construction (separate from the $645M 2001 QBL connector that brought the completed line to $1.54 billion as of 2001) — confirming the $898M is actual expenditure at opening, not an estimate.", "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260509142448/https://en.wikipedia.org/wiki/IND_63rd_Street_Line", "kind": "wikipedia", "quote": "The 63rd Street lines went into service on October 29, 1989, twenty years after construction began, with new stations at Lexington Avenue, Roosevelt Island, and 21st Street/41st Avenue in Queens.", "tier": "tertiary", "title": "IND 63rd Street Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IND_63rd_Street_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260509142448/https://en.wikipedia.org/wiki/IND_63rd_Street_Line", "kind": "wikipedia", "quote": "Groundbreaking ceremonies for the line took place on November 24, 1969, at Vernon Boulevard and 21st Street in Queensbridge Park, Long Island City.", "tier": "tertiary", "title": "IND 63rd Street Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IND_63rd_Street_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260527121409/https://en.wikipedia.org/wiki/Independent_Subway_System", "kind": "wikipedia", "quote": "A month shy of twenty years after construction began, the IND 63rd Street Line went into service on October 29, 1989, after an expenditure of $898 million,", "tier": "tertiary", "title": "Independent Subway System — Wikipedia", "url": "https://en.wikipedia.org/wiki/Independent_Subway_System" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260611124206/https://en.wikipedia.org/wiki/63rd_Street_Tunnel", "kind": "wikipedia", "quote": "The estimated cost of the project was $341 million, and the MTA applied for $227 million in federal funds.", "tier": "tertiary", "title": "63rd Street Tunnel — Wikipedia", "url": "https://en.wikipedia.org/wiki/63rd_Street_Tunnel" }, { "accessedAt": "2026-06-11", "archivedUrl": "https://web.archive.org/web/20120511082630/http://nycsubway.org/lines/6thave.html", "kind": "other", "publisher": "nycsubway.org (Peggy Darlington)", "quote": "The 63rd Street Extension had cost $898 million; the total cost of the completed line as of 2001 came to $1.54 billion.", "tier": "secondary", "title": "IND 6th Ave./63rd St. Line — nycsubway.org", "url": "http://nycsubway.org/lines/6thave.html", "via": "https://en.wikipedia.org/wiki/Independent_Subway_System" } ] }, "geometryRef": "nyc-IND 63rd Street Line", "id": "nyc-ind-63rd-street-line-19891029-0", "kind": "initial", "label": { "en": "Initial opening: 57th Street → 21st Street–Queensbridge (via 63rd Street Tunnel)" }, "notes": "[Date chase 2026-06-12] Groundbreaking ceremony precisely dated November 24, 1969 (Vernon Boulevard and 21st Street, Queensbridge Park), per both the 63rd Street lines and 63rd Street Tunnel Wikipedia articles.", "opened": "1989-10-29", "segment": { "fromStopIndex": 0, "toStopIndex": 4 }, "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260509142448/https://en.wikipedia.org/wiki/IND_63rd_Street_Line", "kind": "wikipedia", "quote": "The 63rd Street lines went into service on October 29, 1989, twenty years after construction began, with new stations at Lexington Avenue, Roosevelt Island, and 21st Street/41st Avenue in Queens.", "tier": "tertiary", "title": "IND 63rd Street Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IND_63rd_Street_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260509142448/https://en.wikipedia.org/wiki/IND_63rd_Street_Line", "kind": "wikipedia", "quote": "Groundbreaking ceremonies for the line took place on November 24, 1969, at Vernon Boulevard and 21st Street in Queensbridge Park, Long Island City.", "tier": "tertiary", "title": "IND 63rd Street Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IND_63rd_Street_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260527121409/https://en.wikipedia.org/wiki/Independent_Subway_System", "kind": "wikipedia", "quote": "A month shy of twenty years after construction began, the IND 63rd Street Line went into service on October 29, 1989, after an expenditure of $898 million,", "tier": "tertiary", "title": "Independent Subway System — Wikipedia", "url": "https://en.wikipedia.org/wiki/Independent_Subway_System" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260611124206/https://en.wikipedia.org/wiki/63rd_Street_Tunnel", "kind": "wikipedia", "quote": "The estimated cost of the project was $341 million, and the MTA applied for $227 million in federal funds.", "tier": "tertiary", "title": "63rd Street Tunnel — Wikipedia", "url": "https://en.wikipedia.org/wiki/63rd_Street_Tunnel" }, { "accessedAt": "2026-06-12", "archivedUrl": "https://web.archive.org/web/20260509142449/https://en.wikipedia.org/wiki/63rd_Street_lines", "kind": "other", "publisher": "Wikipedia", "quote": "Groundbreaking ceremonies for the line took place on November 24, 1969, at Vernon Boulevard and 21st Street in Queensbridge Park, Long Island City.", "tier": "secondary", "title": "63rd Street lines — Wikipedia", "url": "https://en.wikipedia.org/wiki/63rd_Street_lines", "via": "https://en.wikipedia.org/wiki/IND_63rd_Street_Line" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20250812052122/https://www.nytimes.com/1989/10/29/nyregion/the-subway-to-nowhere-now-goes-somewhere.html", "kind": "news", "publisher": "The New York Times", "quote": "[Article published October 29, 1989 — same-day news coverage of the revenue opening; cited in Wikipedia's Opening section as the source for the October 29, 1989 date]", "tier": "secondary", "title": "The 'Subway to Nowhere' Now Goes Somewhere — The New York Times", "url": "https://www.nytimes.com/1989/10/29/nyregion/the-subway-to-nowhere-now-goes-somewhere.html", "via": "https://en.wikipedia.org/wiki/63rd_Street_lines" } ], "stationCount": 3 }, { "confidence": "high", "constructionStart": "1994", "cost": { "basis": "outturn", "confidence": "high", "nominal": { "currency": "USD", "isEstimate": false, "value": 645000000, "year": 2001 }, "notes": "Cost of the ~1,500-foot connector tunnel from 21st Street–Queensbridge to the IND Queens Boulevard Line (no new stations). Construction began September 22, 1994; the connector was first made available for off-peak construction reroutes in December 2000 and entered regular revenue service December 16, 2001. [Citation chase 2026-06-11] The $645 million figure is corroborated as the total project (outturn) cost in then-year USD by a primary FHWA CMAQ source (\"Total Project Cost: $645 million\") and independently by the ERA Bulletin (Jan 2001) and NYT (Nov 2000).", "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260509142448/https://en.wikipedia.org/wiki/IND_63rd_Street_Line", "kind": "wikipedia", "quote": "The remaining section from 21st Street to the Queens Boulevard Line, which cost $645 million, began construction on September 22, 1994.", "tier": "tertiary", "title": "IND 63rd Street Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IND_63rd_Street_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260509142448/https://en.wikipedia.org/wiki/IND_63rd_Street_Line", "kind": "wikipedia", "quote": "The connector came into regular use on December 16, 2001, with the rerouting of F service at all times to 63rd Street.", "tier": "tertiary", "title": "IND 63rd Street Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IND_63rd_Street_Line" }, { "accessedAt": "2026-06-11", "kind": "primary", "publisher": "Federal Highway Administration (FHWA)", "quote": "Total Project Cost: $645 million", "tier": "primary", "title": "New York City Transit 63rd Street-Queens Boulevard Connection-New York City – Advancing Mobility – Research – CMAQ – Air Quality – Environment – FHWA", "url": "https://www.fhwa.dot.gov/Environment/air_quality/cmaq/research/advancing_mobility/03cmaq08.cfm", "via": "https://en.wikipedia.org/wiki/IND_63rd_Street_Line" }, { "accessedAt": "2026-06-11", "archivedUrl": "https://web.archive.org/web/20250110131347/https://www.erausa.org/pdf/bulletin/2000s/2001/2001-02-bulletin.pdf", "kind": "other", "publisher": "Electric Railroaders' Association, Incorporated (The Bulletin, Vol. 44, No. 2, January 2001)", "quote": "After 6½ years of construction at a cost of $645 million, the approximately 1,800-foot-long connection achieved beneficial use on December 11, 2000.", "tier": "secondary", "title": "New York City Transit's 63rd Street Connector Opens for Service", "url": "https://www.erausa.org/pdf/bulletin/2000s/2001/2001-02-bulletin.pdf", "via": "https://en.wikipedia.org/wiki/IND_63rd_Street_Line" }, { "accessedAt": "2026-06-11", "kind": "news", "publisher": "The New York Times (Susan Saulny, November 28, 2000)", "quote": "The tunnel addition cost $645 million and runs for 1,500 feet between the 21st Street-Queensbridge station and the Queens Boulevard Line.", "tier": "secondary", "title": "Another Tunnel Offers Breathing Room for E and F Trains", "url": "https://web.archive.org/web/20130623074746/http://www.nytimes.com/2000/11/28/nyregion/another-tunnel-offers-breathing-room-for-e-and-f-trains.html", "via": "https://en.wikipedia.org/wiki/IND_63rd_Street_Line" } ] }, "geometryRef": null, "id": "nyc-ind-63rd-street-line-20011216-1", "kind": "extension", "label": { "en": "63rd Street Connector opens: 21st Street–Queensbridge → IND Queens Boulevard Line (F service rerouted)" }, "notes": "[Date chase 2026-06-12] Construction start September 22, 1994 (21st Street to Queens Boulevard Line connector); independently corroborated by the FHWA primary government source stating construction started September 1994, completed 2001. [Opening-date chase 2026-06-13] 63rd Street Connector first carried revenue passengers Jan 13, 2001 as a weekend-only General Order reroute (E trains); permanent all-times revenue service (F rerouted) began Dec 16, 2001, which is the curated date. Earlier partial use, later full opening; same year.", "opened": "2001-12-16", "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260509142448/https://en.wikipedia.org/wiki/IND_63rd_Street_Line", "kind": "wikipedia", "quote": "The remaining section from 21st Street to the Queens Boulevard Line, which cost $645 million, began construction on September 22, 1994.", "tier": "tertiary", "title": "IND 63rd Street Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IND_63rd_Street_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260509142448/https://en.wikipedia.org/wiki/IND_63rd_Street_Line", "kind": "wikipedia", "quote": "The connector came into regular use on December 16, 2001, with the rerouting of F service at all times to 63rd Street.", "tier": "tertiary", "title": "IND 63rd Street Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IND_63rd_Street_Line" }, { "accessedAt": "2026-06-12", "archivedUrl": "https://web.archive.org/web/20260509142449/https://en.wikipedia.org/wiki/63rd_Street_lines", "kind": "other", "publisher": "Wikipedia", "quote": "The remaining section from 21st Street to the Queens Boulevard Line, which cost $645 million, began construction on September 22, 1994.", "tier": "secondary", "title": "63rd Street lines — Wikipedia", "url": "https://en.wikipedia.org/wiki/63rd_Street_lines", "via": "https://en.wikipedia.org/wiki/IND_63rd_Street_Line" }, { "accessedAt": "2026-06-12", "kind": "primary", "publisher": "Federal Highway Administration (US government)", "quote": "Construction was started in September 1994, and completed in 2001.", "tier": "primary", "title": "New York City Transit 63rd Street-Queens Boulevard Connection — FHWA", "url": "https://www.fhwa.dot.gov/Environment/air_quality/cmaq/research/advancing_mobility/03cmaq08.cfm", "via": "https://en.wikipedia.org/wiki/IND_63rd_Street_Line" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20250110131347/https://www.erausa.org/pdf/bulletin/2000s/2001/2001-02-bulletin.pdf", "kind": "other", "publisher": "Electric Railroaders' Association", "quote": "On Saturday, January 13, 2001 at 0014 hours, the 2343 E out of World Trade Center became the first scheduled revenue train to carry passengers through New York City Transit's 63rd Street Connector between the 63rd Street Line and the Queens Boulevard Line. [...] The connection will not see regularly scheduled everyday use until August of this year.", "tier": "secondary", "title": "New York City Transit's 63rd Street Connector Opens for Service — ERA Bulletin, February 2001", "url": "https://www.erausa.org/pdf/bulletin/2000s/2001/2001-02-bulletin.pdf", "via": "https://en.wikipedia.org/wiki/63rd_Street_lines" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20251006003126/https://www.nytimes.com/2001/12/17/nyregion/v-train-begins-service-today-giving-queens-commuters-another-option.html", "kind": "news", "publisher": "The New York Times", "quote": "[Article published December 17, 2001, the day after opening — cited in Wikipedia as 'Kershaw 2001' for the December 16, 2001 date]", "tier": "secondary", "title": "V Train Begins Service Today, Giving Queens Commuters Another Option — The New York Times", "url": "https://www.nytimes.com/2001/12/17/nyregion/v-train-begins-service-today-giving-queens-commuters-another-option.html", "via": "https://en.wikipedia.org/wiki/63rd_Street_lines" } ], "stationCount": 0 } ], "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260509142448/https://en.wikipedia.org/wiki/IND_63rd_Street_Line", "kind": "wikipedia", "quote": "The 63rd Street lines went into service on October 29, 1989, twenty years after construction began, with new stations at Lexington Avenue, Roosevelt Island, and 21st Street/41st Avenue in Queens.", "tier": "tertiary", "title": "IND 63rd Street Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IND_63rd_Street_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260527121409/https://en.wikipedia.org/wiki/Independent_Subway_System", "kind": "wikipedia", "quote": "A month shy of twenty years after construction began, the IND 63rd Street Line went into service on October 29, 1989, after an expenditure of $898 million,", "tier": "tertiary", "title": "Independent Subway System — Wikipedia", "url": "https://en.wikipedia.org/wiki/Independent_Subway_System" } ] }, { "cityId": "nyc", "color": "#FCCC0A", "displayNumber": "BMT 63rd Street Line", "id": "nyc-line-bmt-63rd-street-line", "name": { "en": "BMT 63rd Street Line" }, "phases": [ { "confidence": "medium", "constructionStart": "1969", "cost": { "basis": "outturn", "confidence": "high", "nominal": { "currency": "USD", "isEstimate": false, "value": 868000000, "year": 1989 }, "notes": "Figure ($868M, ~half federally funded) covers the ENTIRE 63rd Street Tunnel/line project (shared IND + BMT trunk), NOT the BMT segment alone. Original 1963/1965 estimate was ~$28–$30M; an interim MTA project estimate was $341M (MTA sought $227M federal). The BMT level at Lexington Avenue was structurally built as part of this project but kept sealed behind a temporary brick wall; no separate BMT-only cost is published. [Citation chase 2026-06-11] $868M is the actual final (outturn) cost, confirmed by the NYT (Oct 29, 1989) opening-day report and corroborated by Rep. Maloney's congressional page, which states the project cost $868M with roughly half federally funded (consistent with the $530M federal share cited by NYT in 1985).", "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260509142449/https://en.wikipedia.org/wiki/63rd_Street_lines", "kind": "wikipedia", "quote": "The 63rd Street lines went into service on October 29, 1989, twenty years after construction began, with new stations at Lexington Avenue, Roosevelt Island, and 21st Street/41st Avenue in Queens... The BMT line was not in use at that time.", "tier": "tertiary", "title": "63rd Street lines — Wikipedia", "url": "https://en.wikipedia.org/wiki/63rd_Street_lines" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260611124206/https://en.wikipedia.org/wiki/63rd_Street_Tunnel", "kind": "wikipedia", "quote": "Construction on the project began on November 24, 1969; the Kiewit Corporation was the main contractor. ... The estimated cost of the project was $341 million, and the MTA applied for $227 million in federal funds.", "tier": "tertiary", "title": "63rd Street Tunnel — Wikipedia", "url": "https://en.wikipedia.org/wiki/63rd_Street_Tunnel" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260522002812/https://en.wikipedia.org/wiki/Lexington_Avenue%E2%80%9363rd_Street_station", "kind": "wikipedia", "quote": "Construction on the 63rd Street Line, including the Lexington Avenue–63rd Street station, began on November 25, 1969.", "tier": "tertiary", "title": "Lexington Avenue–63rd Street station — Wikipedia", "url": "https://en.wikipedia.org/wiki/Lexington_Avenue%E2%80%9363rd_Street_station" }, { "accessedAt": "2026-06-11", "archivedUrl": "https://web.archive.org/web/20250812052122/https://www.nytimes.com/1989/10/29/nyregion/the-subway-to-nowhere-now-goes-somewhere.html", "kind": "news", "publisher": "The New York Times", "quote": "Regular service was to start today on the $868 million line, the first subway to the island.", "tier": "secondary", "title": "The 'Subway to Nowhere' Now Goes Somewhere", "url": "https://www.nytimes.com/1989/10/29/nyregion/the-subway-to-nowhere-now-goes-somewhere.html", "via": "https://en.wikipedia.org/wiki/63rd_Street_lines" }, { "accessedAt": "2026-06-11", "archivedUrl": "https://web.archive.org/web/20250402123046/https://web.archive.org/web/20150908012022/http://maloney.house.gov/issues/local-issues/63rd-st-tunnel-connector", "kind": "primary", "publisher": "Office of Congresswoman Carolyn Maloney", "quote": "viability and other matters slowly continued until 1989 when the tunnel finally opened, having cost $868 million (roughly half of which was paid by the federal government).", "tier": "secondary", "title": "63rd St Tunnel Connector", "url": "https://web.archive.org/web/20150908012022/http://maloney.house.gov/issues/local-issues/63rd-st-tunnel-connector", "via": "https://en.wikipedia.org/wiki/Lexington_Avenue%E2%80%9363rd_Street_station" }, { "accessedAt": "2026-06-11", "archivedUrl": "https://web.archive.org/web/20250905181944/https://www.nytimes.com/1985/08/18/nyregion/us-holds-up-aid-for-subway-work.html", "kind": "news", "publisher": "The New York Times", "quote": "A total of more than $1 billion has been spent on both of them. Of that amount, the M.T.A. said the Federal Government had provided $530 million for the 63d Street tunnel and $295 million for the Archer Avenue line.", "tier": "secondary", "title": "U.S. Holds Up Aid For Subway Work", "url": "https://www.nytimes.com/1985/08/18/nyregion/us-holds-up-aid-for-subway-work.html", "via": "https://en.wikipedia.org/wiki/63rd_Street_lines" } ] }, "geometryRef": "nyc-BMT 63rd Street Line", "id": "nyc-bmt-63rd-street-line-19891029-0", "kind": "initial", "label": { "en": "BMT 63rd Street Line built (Lexington Avenue–63rd Street upper-level / BMT track level) but sealed, no revenue service" }, "notes": "[Date chase 2026-06-12] Groundbreaking ceremony for the 63rd Street line was held November 24, 1969 at Vernon Boulevard and 21st Street in Queensbridge Park, Long Island City; Kiewit Corporation was the main contractor. Construction-start date is sourced to NYT (Burks, 'Mayor and Governor Unite to Start Transit Tube', Nov 25, 1969), cited via the 63rd Street Tunnel Wikipedia article (direct access paywalled). [Opening-date chase 2026-06-13] On 1989-10-29 the BMT level (north side of Lexington Avenue-63rd Street) was physically built but sealed behind a temporary orange brick wall and used only for train storage; only the IND south side opened to revenue passengers. The curated 'built but sealed, no revenue service' label is accurate.", "opened": "1989-10-29", "segment": { "fromStopIndex": 0, "toStopIndex": 2 }, "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260509142449/https://en.wikipedia.org/wiki/63rd_Street_lines", "kind": "wikipedia", "quote": "The 63rd Street lines went into service on October 29, 1989, twenty years after construction began, with new stations at Lexington Avenue, Roosevelt Island, and 21st Street/41st Avenue in Queens... The BMT line was not in use at that time.", "tier": "tertiary", "title": "63rd Street lines — Wikipedia", "url": "https://en.wikipedia.org/wiki/63rd_Street_lines" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260611124206/https://en.wikipedia.org/wiki/63rd_Street_Tunnel", "kind": "wikipedia", "quote": "Construction on the project began on November 24, 1969; the Kiewit Corporation was the main contractor. ... The estimated cost of the project was $341 million, and the MTA applied for $227 million in federal funds.", "tier": "tertiary", "title": "63rd Street Tunnel — Wikipedia", "url": "https://en.wikipedia.org/wiki/63rd_Street_Tunnel" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260522002812/https://en.wikipedia.org/wiki/Lexington_Avenue%E2%80%9363rd_Street_station", "kind": "wikipedia", "quote": "Construction on the 63rd Street Line, including the Lexington Avenue–63rd Street station, began on November 25, 1969.", "tier": "tertiary", "title": "Lexington Avenue–63rd Street station — Wikipedia", "url": "https://en.wikipedia.org/wiki/Lexington_Avenue%E2%80%9363rd_Street_station" }, { "accessedAt": "2026-06-12", "archivedUrl": "https://web.archive.org/web/20241203043527/https://www.nytimes.com/1969/11/25/archives/mayor-and-governor-unite-to-start-transit-tube.html", "kind": "news", "publisher": "The New York Times", "quote": "Cited by the 63rd Street Tunnel Wikipedia article as the source for the November 24, 1969 construction start date; article dated November 25, 1969 (day after groundbreaking ceremony). Direct access blocked (paywall).", "tier": "primary", "title": "Mayor and Governor Unite to Start Transit Tube", "url": "https://www.nytimes.com/1969/11/25/archives/mayor-and-governor-unite-to-start-transit-tube.html", "via": "https://en.wikipedia.org/wiki/63rd_Street_Tunnel" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20250812052122/https://www.nytimes.com/1989/10/29/nyregion/the-subway-to-nowhere-now-goes-somewhere.html", "kind": "news", "publisher": "The New York Times", "quote": "Cited by the 63rd Street lines Wikipedia article as the source for the October 29, 1989 opening date; article dated October 29, 1989 (day of opening). Direct access blocked (paywall).", "tier": "secondary", "title": "The 'Subway to Nowhere' Now Goes Somewhere", "url": "https://www.nytimes.com/1989/10/29/nyregion/the-subway-to-nowhere-now-goes-somewhere.html", "via": "https://en.wikipedia.org/wiki/63rd_Street_lines" } ], "stationCount": 1 }, { "confidence": "medium", "geometryRef": "nyc-BMT 63rd Street Line", "id": "nyc-bmt-63rd-street-line-20170101-1", "kind": "reopening", "label": { "en": "BMT 63rd Street Line first carries revenue service — Q (all times) and N (rush-hour) via Second Avenue Subway Phase 1, BMT level at Lexington Avenue–63rd Street opened to passengers" }, "notes": "[Opening-date chase 2026-06-13] Ceremonial vs revenue trap cleared: a private VIP ceremonial first train (Gov. Cuomo, Mayor de Blasio) ran New Year's Eve, December 31, 2016; regular public/revenue service began at noon on January 1, 2017. Curated date correctly reflects the revenue opening, and the ceremonial date falls in the same year regardless.", "opened": "2017-01-01", "segment": { "fromStopIndex": 1, "toStopIndex": 2 }, "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260509142449/https://en.wikipedia.org/wiki/63rd_Street_lines", "kind": "wikipedia", "quote": "On January 1, 2017, the first phase of the Second Avenue Line opened, extending the Q and N services under Central Park and eastward to the stop at Lexington Avenue–63rd Street before turning north at Second Avenue.", "tier": "tertiary", "title": "63rd Street lines — Wikipedia", "url": "https://en.wikipedia.org/wiki/63rd_Street_lines" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260522002812/https://en.wikipedia.org/wiki/Lexington_Avenue%E2%80%9363rd_Street_station", "kind": "wikipedia", "quote": "The MTA inaugurated Phase 1 of Second Avenue Subway service on January 1, 2017.", "tier": "tertiary", "title": "Lexington Avenue–63rd Street station — Wikipedia", "url": "https://en.wikipedia.org/wiki/Lexington_Avenue%E2%80%9363rd_Street_station" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20251231005459/https://www.nytimes.com/2017/01/01/nyregion/second-avenue-subway-opening-upper-east-side-manhattan.html", "kind": "news", "publisher": "The New York Times", "quote": "Cited by the Second Avenue Subway and 63rd Street lines Wikipedia articles as the primary news source for the January 1, 2017 opening. Dated January 1, 2017. Direct access blocked (paywall).", "tier": "secondary", "title": "Opening of Second Avenue Subway: Updates", "url": "https://www.nytimes.com/2017/01/01/nyregion/second-avenue-subway-opening-upper-east-side-manhattan.html", "via": "https://en.wikipedia.org/wiki/63rd_Street_lines" } ], "stationCount": 0 } ], "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260509142449/https://en.wikipedia.org/wiki/63rd_Street_lines", "kind": "wikipedia", "quote": "The 63rd Street lines went into service on October 29, 1989, twenty years after construction began, with new stations at Lexington Avenue, Roosevelt Island, and 21st Street/41st Avenue in Queens... The BMT line was not in use at that time.", "tier": "tertiary", "title": "63rd Street lines — Wikipedia", "url": "https://en.wikipedia.org/wiki/63rd_Street_lines" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260522002812/https://en.wikipedia.org/wiki/Lexington_Avenue%E2%80%9363rd_Street_station", "kind": "wikipedia", "quote": "Construction on the 63rd Street Line, including the Lexington Avenue–63rd Street station, began on November 25, 1969.", "tier": "tertiary", "title": "Lexington Avenue–63rd Street station — Wikipedia", "url": "https://en.wikipedia.org/wiki/Lexington_Avenue%E2%80%9363rd_Street_station" } ] }, { "cityId": "nyc", "color": "#FF6319", "displayNumber": "IND Queens Boulevard Line", "id": "nyc-line-ind-queens-boulevard-line", "name": { "en": "IND Queens Boulevard Line" }, "phases": [ { "confidence": "medium", "constructionStart": "1928", "cost": { "basis": "budget", "confidence": "low", "nominal": { "currency": "USD", "isEstimate": false, "value": 58000000, "year": 1933 }, "notes": "$58 million is cited as the cost of the WHOLE Queens Boulevard Line, not this initial segment alone. Construction began December 1928; groundbreaking was 2 April 1927 at Vernon Boulevard and 44th Drive, Long Island City. The initial Queens stations were Queens Plaza, 36th Street, Steinway Street, 46th Street, Northern Boulevard, 65th Street and Roosevelt Avenue (running west into the Eighth Avenue Line). [Citation chase 2026-06-11] The $58M figure traces to a single secondary source (Wikipedia), whose only underlying citation — \"More Subway Links To Open,\" The New York Sun, Aug 17, 1933 (via fultonhistory.com) — is offline with no Wayback snapshot and could not be verified; no independent corroboration was found. As a \"whole line\" total reported in 1933 while the line was only beginning to open in stages, the figure most likely reflects an authorized/projected total for the full project rather than a verified final cost.", "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260205025420/https://en.wikipedia.org/wiki/IND_Queens_Boulevard_Line", "kind": "wikipedia", "quote": "The first section of the line, west from Roosevelt Avenue to 50th Street, opened on August 19, 1933 at 12:01 a.m.", "tier": "tertiary", "title": "IND Queens Boulevard Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IND_Queens_Boulevard_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260205025420/https://en.wikipedia.org/wiki/IND_Queens_Boulevard_Line", "kind": "wikipedia", "quote": "Construction on the line began in December 1928, and the whole line cost $58 million.", "tier": "tertiary", "title": "IND Queens Boulevard Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IND_Queens_Boulevard_Line" } ] }, "geometryRef": "nyc-IND Queens Boulevard Line", "id": "nyc-ind-queens-boulevard-line-19330819-0", "kind": "initial", "label": { "en": "Stage 1 opens: Roosevelt Avenue → 50th Street (initial Queens Boulevard Line, connecting to IND Eighth Avenue Line in Manhattan)" }, "notes": "[Date chase 2026-06-12] Wikipedia also notes the Board of Estimate approved the Queens Boulevard Line route on October 4, 1928, consistent with a December 1928 construction start. [Opening-date chase 2026-06-13] Public revenue service began at 12:01 a.m. on August 19, 1933; the August 18, 1933 NYT article is a day-before preview, not a separate event. No ceremonial/revenue ambiguity.", "opened": "1933-08-19", "segment": { "fromStopIndex": 0, "toStopIndex": 1 }, "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260205025420/https://en.wikipedia.org/wiki/IND_Queens_Boulevard_Line", "kind": "wikipedia", "quote": "The first section of the line, west from Roosevelt Avenue to 50th Street, opened on August 19, 1933 at 12:01 a.m.", "tier": "tertiary", "title": "IND Queens Boulevard Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IND_Queens_Boulevard_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260205025420/https://en.wikipedia.org/wiki/IND_Queens_Boulevard_Line", "kind": "wikipedia", "quote": "Construction on the line began in December 1928, and the whole line cost $58 million.", "tier": "tertiary", "title": "IND Queens Boulevard Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IND_Queens_Boulevard_Line" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20260613162917/https://timesmachine.nytimes.com/timesmachine/1933/08/18/99841892.html?pdf_redirect=true&site=false", "kind": "news", "publisher": "The New York Times", "quote": "Two Subway Units Open At Midnight [August 19, 1933] — article dated August 18, 1933, previewing the midnight opening", "tier": "secondary", "title": "Two Subway Units Open At Midnight; Links in City-Owned System in Queens and Brooklyn to Have 15 Stations", "url": "https://timesmachine.nytimes.com/timesmachine/1933/08/18/99841892.pdf", "via": "https://en.wikipedia.org/wiki/IND_Queens_Boulevard_Line" } ], "stationCount": 7 }, { "confidence": "medium", "cost": { "basis": "outturn", "confidence": "medium", "nominal": { "currency": "USD", "isEstimate": false, "value": 27000000, "year": 1936 }, "notes": "Extension cost $27 million, of which $5.8M for Jamaica Yard, $1.4M for real estate, and $16.2M for tunnels and tracks. Extension was about 3.5 miles (5.6 km) and added eight stops east of Roosevelt Avenue to Union Turnpike. [Citation chase 2026-06-11] Figure is a contemporaneous reported (outturn) cost: the Brooklyn Daily Eagle (Dec 30, 1936) headline independently confirms the \"$27,000,000\" extension to Kew Gardens. The cost breakdown in the source includes an unlabeled $2.2M sub-item (a transcription gap in the Wikipedia text), so the named sub-items do not fully sum to the $27M total.", "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260205025420/https://en.wikipedia.org/wiki/IND_Queens_Boulevard_Line", "kind": "wikipedia", "quote": "the line was extended east from Roosevelt Avenue to Union Turnpike on that date. This extension cost $27 million, of which $5.8 million was for Jamaica Yard, $1.4 million was for real estate, $2.2 million, and $16.2 million for tunnels and tracks.", "tier": "tertiary", "title": "IND Queens Boulevard Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IND_Queens_Boulevard_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260205025420/https://en.wikipedia.org/wiki/IND_Queens_Boulevard_Line", "kind": "wikipedia", "quote": "On December 31, 1936, the IND Queens Boulevard Line was extended by eight stops and 3.5 miles (5.6 km), from its previous terminus at Roosevelt Avenue to Union Turnpike.", "tier": "tertiary", "title": "IND Queens Boulevard Line — Wikipedia (search summary)", "url": "https://en.wikipedia.org/wiki/IND_Queens_Boulevard_Line" }, { "accessedAt": "2026-06-11", "archivedUrl": "https://web.archive.org/web/20260206100456/https://bklyn.newspapers.com/image/52710422/", "kind": "news", "publisher": "Brooklyn Daily Eagle", "quote": "$27,000,000 Independent Extension to Kew Gardens", "tier": "primary", "title": "LaGuardia at Throttle On Subway Joyride. 750 Passengers, Including Celebrities, Guests on Trial Trip Over New $27,000,000 Independent Extension to Kew Gardens", "url": "https://bklyn.newspapers.com/image/52710422", "via": "https://en.wikipedia.org/wiki/IND_Queens_Boulevard_Line" } ] }, "geometryRef": "nyc-IND Queens Boulevard Line", "id": "nyc-ind-queens-boulevard-line-19361231-1", "kind": "extension", "label": { "en": "Extension: Roosevelt Avenue → Kew Gardens–Union Turnpike" }, "notes": "[Opening-date chase 2026-06-13] Mayor LaGuardia made a trial run on December 30, 1936 (distinct from the public opening); revenue service opened December 31, 1936 as curated.", "opened": "1936-12-31", "segment": { "fromStopIndex": 1, "toStopIndex": 4 }, "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260205025420/https://en.wikipedia.org/wiki/IND_Queens_Boulevard_Line", "kind": "wikipedia", "quote": "the line was extended east from Roosevelt Avenue to Union Turnpike on that date. This extension cost $27 million, of which $5.8 million was for Jamaica Yard, $1.4 million was for real estate, $2.2 million, and $16.2 million for tunnels and tracks.", "tier": "tertiary", "title": "IND Queens Boulevard Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IND_Queens_Boulevard_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260205025420/https://en.wikipedia.org/wiki/IND_Queens_Boulevard_Line", "kind": "wikipedia", "quote": "On December 31, 1936, the IND Queens Boulevard Line was extended by eight stops and 3.5 miles (5.6 km), from its previous terminus at Roosevelt Avenue to Union Turnpike.", "tier": "tertiary", "title": "IND Queens Boulevard Line — Wikipedia (search summary)", "url": "https://en.wikipedia.org/wiki/IND_Queens_Boulevard_Line" }, { "accessedAt": "2026-06-13", "kind": "news", "publisher": "The New York Times", "quote": "Queens Section to Be Opened Tomorrow [December 31, 1936] — article dated December 30, 1936", "tier": "secondary", "title": "PWA Party Views New Subway Link: Queens Section to Be Opened Tomorrow Is Inspected by Tuttle and Others", "url": "https://timesmachine.nytimes.com/timesmachine/1936/12/30/88096632.pdf", "via": "https://en.wikipedia.org/wiki/IND_Queens_Boulevard_Line" } ], "stationCount": 8 }, { "confidence": "medium", "cost": { "basis": "outturn", "confidence": "medium", "nominal": { "currency": "USD", "isEstimate": false, "value": 14400000, "year": 1937 }, "notes": "Mayor La Guardia announced on 9 April 1937 that operation of the $14.4 million extension to Jamaica and express service would begin 24 April. New stations: Briarwood (Van Wyck Boulevard), Sutphin Boulevard, Parsons Boulevard, 169th Street, plus 75th Avenue. Construction was delayed by a ~15-month suspension in 1934–35 and a 1935 electricians' strike. [Citation chase 2026-06-11] Figure is a nominal 1937-dollar cost for the Kew Gardens–169th Street (Jamaica) segment only; the prior Roosevelt Ave–Kew Gardens phase was reported separately as a ~$27M extension. The $14.4M is confirmed verbatim in the Wikipedia text, but its underlying citations (Kramer 1990; Roess & Sansone 2012; two 1937 NYT articles) could not be accessed to independently verify the figure.", "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260205025420/https://en.wikipedia.org/wiki/IND_Queens_Boulevard_Line", "kind": "wikipedia", "quote": "The extension to Hillside Avenue and 178th Street, with a terminal station at 169th Street opened as planned on April 24, 1937.", "tier": "tertiary", "title": "IND Queens Boulevard Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IND_Queens_Boulevard_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260205025420/https://en.wikipedia.org/wiki/IND_Queens_Boulevard_Line", "kind": "wikipedia", "quote": "the operation of the $14.4 million extension to Jamaica and express service would begin on April 24.", "tier": "tertiary", "title": "IND Queens Boulevard Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IND_Queens_Boulevard_Line" } ] }, "geometryRef": "nyc-IND Queens Boulevard Line", "id": "nyc-ind-queens-boulevard-line-19370424-2", "kind": "extension", "label": { "en": "Extension: Kew Gardens–Union Turnpike → 169th Street (Jamaica), with express service inaugurated" }, "notes": "[Opening-date chase 2026-06-13] Revenue service opened April 24, 1937 (NYT 'open today'); the April 25 NYT report covers the officials' ceremonial trial run held the same day, not a separate opening date.", "opened": "1937-04-24", "segment": { "fromStopIndex": 4, "toStopIndex": 8 }, "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260205025420/https://en.wikipedia.org/wiki/IND_Queens_Boulevard_Line", "kind": "wikipedia", "quote": "The extension to Hillside Avenue and 178th Street, with a terminal station at 169th Street opened as planned on April 24, 1937.", "tier": "tertiary", "title": "IND Queens Boulevard Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IND_Queens_Boulevard_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260205025420/https://en.wikipedia.org/wiki/IND_Queens_Boulevard_Line", "kind": "wikipedia", "quote": "the operation of the $14.4 million extension to Jamaica and express service would begin on April 24.", "tier": "tertiary", "title": "IND Queens Boulevard Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IND_Queens_Boulevard_Line" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20241127072425/https://www.nytimes.com/1937/04/24/archives/transit-link-open-today-8th-ave-line-extended-to-jamaicacelebration.html", "kind": "news", "publisher": "The New York Times", "quote": "Transit Link Open Today; 8th Ave. Line Extended to Jamaica — dated April 24, 1937, confirming revenue service opened that day", "tier": "secondary", "title": "Transit Link Open Today; 8th Ave. Line Extended to Jamaica—Celebration Arranged", "url": "https://www.nytimes.com/1937/04/24/archives/transit-link-open-today-8th-ave-line-extended-to-jamaicacelebration.html", "via": "https://en.wikipedia.org/wiki/IND_Queens_Boulevard_Line" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20251107063547/https://www.nytimes.com/1937/04/25/archives/new-subway-link-to-jamaica-opened-la-guardia-city-officials-and.html", "kind": "news", "publisher": "The New York Times", "quote": "New Subway Link to Jamaica Opened [past tense]; La Guardia, City Officials and Civic Groups Make Trial Run on 10-Car Train — April 25, 1937 next-day report; officials' ceremonial run was April 24, the same day as public opening", "tier": "secondary", "title": "New Subway Link to Jamaica Opened; La Guardia, City Officials and Civic Groups Make Trial Run on 10-Car Train", "url": "https://www.nytimes.com/1937/04/25/archives/new-subway-link-to-jamaica-opened-la-guardia-city-officials-and.html", "via": "https://en.wikipedia.org/wiki/IND_Queens_Boulevard_Line" } ], "stationCount": 5 }, { "confidence": "medium", "geometryRef": null, "id": "nyc-ind-queens-boulevard-line-19390828-3", "kind": "extension", "label": { "en": "Infill station opens: 23rd Street–Ely Avenue (between Queens Plaza and the Manhattan crossing)" }, "notes": "[Opening-date chase 2026-06-13] 23rd St-Ely Avenue infill station opened August 28, 1939, confirmed by both an August 5 advance notice and an August 26 day-before NYT notice.", "opened": "1939-08-28", "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260205025420/https://en.wikipedia.org/wiki/IND_Queens_Boulevard_Line", "kind": "wikipedia", "quote": "23rd Street–Ely Avenue station opened as an in-fill station on August 28, 1939.", "tier": "tertiary", "title": "IND Queens Boulevard Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IND_Queens_Boulevard_Line" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20260613163007/https://timesmachine.nytimes.com/timesmachine/1939/08/05/94706861.html?pdf_redirect=true&site=false", "kind": "news", "publisher": "The New York Times", "quote": "Subway Station Opens Aug. 28 — advance announcement dated August 5, 1939, confirming August 28 as the opening date", "tier": "secondary", "title": "Subway Station Opens Aug. 28", "url": "https://timesmachine.nytimes.com/timesmachine/1939/08/05/94706861.pdf", "via": "https://en.wikipedia.org/wiki/IND_Queens_Boulevard_Line" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20260613163011/https://timesmachine.nytimes.com/timesmachine/1939/08/26/93950787.pdf", "kind": "news", "publisher": "The New York Times", "quote": "Ely Subway Stop To Open; Queens Station on City-Owned Line Begins Service Tomorrow — dated August 26, 1939, confirming August 28 opening", "tier": "secondary", "title": "Ely Subway Stop To Open; Queens Station on City-Owned Line Begins Service Tomorrow", "url": "https://timesmachine.nytimes.com/timesmachine/1939/08/26/93950787.pdf", "via": "https://en.wikipedia.org/wiki/IND_Queens_Boulevard_Line" } ], "stationCount": 1 }, { "confidence": "medium", "constructionStart": "1947", "cost": { "basis": "estimate", "confidence": "medium", "nominal": { "currency": "USD", "isEstimate": true, "value": 10300000, "year": 1950 }, "notes": "Project estimated at $10.3 million, of which $7,764,000 was for construction; the low construction bid was $5,284,888 (Van Wagner Construction Company). Construction started in 1947 and was projected for 1949 but opened later than expected on 11 December 1950. [Citation chase 2026-06-11] The $10.3M figure is a 1946 project estimate (Board of Estimate approval, Aug 1 1946) covering construction plus rolling stock, substations, third rail, signal and electrical equipment — not solely civil construction, and not an actual final cost; the $7,764,000 construction portion is the comparable build figure. Both NYT primary sources backing the estimate are paywalled and could not be independently verified.", "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260205025420/https://en.wikipedia.org/wiki/IND_Queens_Boulevard_Line", "kind": "wikipedia", "quote": "The extension was completed later than expected and opened on December 11, 1950.", "tier": "tertiary", "title": "IND Queens Boulevard Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IND_Queens_Boulevard_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260205025420/https://en.wikipedia.org/wiki/IND_Queens_Boulevard_Line", "kind": "wikipedia", "quote": "Construction on the extension started in 1947 and was projected to be completed in 1949.", "tier": "tertiary", "title": "IND Queens Boulevard Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IND_Queens_Boulevard_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260205025420/https://en.wikipedia.org/wiki/IND_Queens_Boulevard_Line", "kind": "wikipedia", "quote": "estimated to cost $10.3 million, of which, $7,764,000 would go to construction.", "tier": "tertiary", "title": "IND Queens Boulevard Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IND_Queens_Boulevard_Line" } ] }, "geometryRef": null, "id": "nyc-ind-queens-boulevard-line-19501211-4", "kind": "extension", "label": { "en": "Extension: 169th Street → Jamaica–179th Street (terminal extension)" }, "notes": "[Date chase 2026-06-12] NYT Mar 6, 1947 ground-breaking ceremony for the Jamaica-179th Street extension confirms the 1947 start year. [Opening-date chase 2026-06-13] Opened December 11, 1950; the December 12, 1950 NYT article is next-day reporting on the revenue service start.", "opened": "1950-12-11", "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260205025420/https://en.wikipedia.org/wiki/IND_Queens_Boulevard_Line", "kind": "wikipedia", "quote": "The extension was completed later than expected and opened on December 11, 1950.", "tier": "tertiary", "title": "IND Queens Boulevard Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IND_Queens_Boulevard_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260205025420/https://en.wikipedia.org/wiki/IND_Queens_Boulevard_Line", "kind": "wikipedia", "quote": "Construction on the extension started in 1947 and was projected to be completed in 1949.", "tier": "tertiary", "title": "IND Queens Boulevard Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IND_Queens_Boulevard_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260205025420/https://en.wikipedia.org/wiki/IND_Queens_Boulevard_Line", "kind": "wikipedia", "quote": "estimated to cost $10.3 million, of which, $7,764,000 would go to construction.", "tier": "tertiary", "title": "IND Queens Boulevard Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IND_Queens_Boulevard_Line" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20260613163026/https://timesmachine.nytimes.com/timesmachine/1950/12/12/313752702.html?pdf_redirect=true&site=false", "kind": "news", "publisher": "The New York Times", "quote": "New Subway Link Opening in Queens — article dated December 12, 1950 (day after opening), next-day reporting on the December 11, 1950 revenue service start", "tier": "secondary", "title": "New Subway Link Opening in Queens", "url": "https://timesmachine.nytimes.com/timesmachine/1950/12/12/313752702.pdf", "via": "https://en.wikipedia.org/wiki/IND_Queens_Boulevard_Line" } ], "stationCount": 1 }, { "confidence": "medium", "geometryRef": "nyc-IND Queens Boulevard Line#2", "id": "nyc-ind-queens-boulevard-line-19330819-53rd-tunnel", "kind": "extension", "label": { "en": "53rd Street tunnel connector: 42nd St–Port Authority ↔ Queens Plaza (QBL opening into Manhattan)" }, "notes": "Connector branch: the initial 1933 QBL opening ran into Manhattan via the 53rd St tunnel to 50th St (see the 1933 phase label). No separate cost (shared with the main 1933 opening). [Opening-date chase 2026-06-13] The 53rd Street Tunnel opened as part of the same inaugural August 19, 1933 section as Phase 1; the Wikipedia station table lists tunnel stations with that date. No separate opening event.", "opened": "1933-08-19", "segment": { "fromStopIndex": 0, "toStopIndex": 6 }, "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260205025420/https://en.wikipedia.org/wiki/IND_Queens_Boulevard_Line", "kind": "wikipedia", "quote": "The first section of the line, west from Roosevelt Avenue to 50th Street, opened on August 19, 1933 at 12:01 a.m.", "tier": "tertiary", "title": "IND Queens Boulevard Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IND_Queens_Boulevard_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260205025420/https://en.wikipedia.org/wiki/IND_Queens_Boulevard_Line", "kind": "wikipedia", "quote": "Construction on the line began in December 1928, and the whole line cost $58 million.", "tier": "tertiary", "title": "IND Queens Boulevard Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IND_Queens_Boulevard_Line" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20260613162917/https://timesmachine.nytimes.com/timesmachine/1933/08/18/99841892.html?pdf_redirect=true&site=false", "kind": "news", "publisher": "The New York Times", "quote": "Two Subway Units Open At Midnight [August 19, 1933] — the inaugural section included the 53rd Street Tunnel connection between Queens Plaza and 50th Street/Manhattan", "tier": "secondary", "title": "Two Subway Units Open At Midnight; Links in City-Owned System in Queens and Brooklyn to Have 15 Stations", "url": "https://timesmachine.nytimes.com/timesmachine/1933/08/18/99841892.pdf", "via": "https://en.wikipedia.org/wiki/IND_Queens_Boulevard_Line" } ] } ], "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260205025420/https://en.wikipedia.org/wiki/IND_Queens_Boulevard_Line", "kind": "wikipedia", "quote": "The first section of the line, west from Roosevelt Avenue to 50th Street, opened on August 19, 1933 at 12:01 a.m.", "tier": "tertiary", "title": "IND Queens Boulevard Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IND_Queens_Boulevard_Line" } ] }, { "cityId": "nyc", "color": "#FF6319", "displayNumber": "IND Concourse Line", "id": "nyc-line-ind-concourse-line", "name": { "en": "IND Concourse Line" }, "phases": [ { "confidence": "high", "constructionStart": "1928", "cost": { "basis": "outturn", "confidence": "medium", "nominal": { "currency": "USD", "isEstimate": false, "value": 40500000, "year": 1933 }, "notes": "Final construction cost of the Concourse Line as reported by English Wikipedia ($40.5 million). Price-year not explicitly stated; taken as of the 1933 opening. Covers the full Concourse Line built by the City of New York under the IND program. The line opened in a single stage — all 12 stations opened simultaneously — less than ten months after the first IND line (Eighth Avenue). Construction began July 1928; completion originally planned for January 1933 but delayed by post-Wall-Street-Crash financial difficulties. [Citation chase 2026-06-11] Per the New York Times (June 18, 1933), the $40.5 million is the construction cost \"exclusive of engineering, administrative and financing charges,\" so the all-in cost was somewhat higher; the figure is a contemporaneous near-completion (outturn) cost. A second contemporaneous corroborating source (NY Herald Tribune, same date) exists but is paywalled and unverified.", "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260607204727/https://en.wikipedia.org/wiki/IND_Concourse_Line", "kind": "wikipedia", "quote": "The entire Concourse Line opened on July 1, 1933, less than ten months after the IND's first line, the IND Eighth Avenue Line, opened for service.", "tier": "tertiary", "title": "IND Concourse Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IND_Concourse_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260607204727/https://en.wikipedia.org/wiki/IND_Concourse_Line", "kind": "wikipedia", "quote": "Construction Start: July 1928 ... Construction Cost: $40.5 million ... The line was supposed to be completed by January 1933, but this was delayed due to financial difficulties following the Wall Street Crash of 1929.", "tier": "tertiary", "title": "IND Concourse Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IND_Concourse_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260202021901/https://www.nycsubway.org/wiki/IND_Concourse_Line", "kind": "other", "quote": "Opening Date: 7/1/1933 ... All stations opened simultaneously on July 1, 1933, indicating a single-stage opening rather than phased development.", "tier": "secondary", "title": "IND Concourse Line — nycsubway.org", "url": "https://www.nycsubway.org/wiki/IND_Concourse_Line" }, { "accessedAt": "2026-06-11", "archivedUrl": "https://web.archive.org/web/20250903101428/https://www.nytimes.com/1933/06/18/archives/new-bronx-subway-to-operate-my-1-city-extension-to-205th-street-to.html", "kind": "news", "publisher": "The New York Times", "quote": "The cost of the Bronx Concourse line, exclusive of engineering, administrative and financing charges, is about $40,500,000.", "tier": "secondary", "title": "NEW BRONX SUBWAY TO OPERATE MY 1; City Extension to 205th Street to Be Opened Two Months Ahead of Schedule. 700 EMPLOYES ARE HIRED", "url": "https://www.nytimes.com/1933/06/18/archives/new-bronx-subway-to-operate-my-1-city-extension-to-205th-street-to.html", "via": "https://en.wikipedia.org/wiki/IND_Concourse_Line" } ] }, "geometryRef": "nyc-IND Concourse Line", "id": "nyc-ind-concourse-line-19330701-0", "kind": "initial", "label": { "en": "Line opens in one stage: Norwood–205th Street → 145th Street (junction with IND Eighth Avenue Line)" }, "notes": "[Date chase 2026-06-12] Wikipedia narrative ('Construction of the line began in July 1928', citing Raskin 2013) and a Sept 2, 1928 NYT article both corroborate the 1928 start; the Raskin book page and the NYT TimesMachine PDF are paywalled and could not be directly verified. [Opening-date chase 2026-06-13] Brooklyn Daily Eagle confirms the line opened at 12:57 A.M. on July 1, 1933 (midnight revenue start, not a separate ceremonial date); a June 25, 1933 Herald Tribune preview rules out any earlier ceremonial opening.", "opened": "1933-07-01", "segment": { "fromStopIndex": 0, "toStopIndex": 11 }, "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260607204727/https://en.wikipedia.org/wiki/IND_Concourse_Line", "kind": "wikipedia", "quote": "The entire Concourse Line opened on July 1, 1933, less than ten months after the IND's first line, the IND Eighth Avenue Line, opened for service.", "tier": "tertiary", "title": "IND Concourse Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IND_Concourse_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260607204727/https://en.wikipedia.org/wiki/IND_Concourse_Line", "kind": "wikipedia", "quote": "Construction Start: July 1928 ... Construction Cost: $40.5 million ... The line was supposed to be completed by January 1933, but this was delayed due to financial difficulties following the Wall Street Crash of 1929.", "tier": "tertiary", "title": "IND Concourse Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IND_Concourse_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260202021901/https://www.nycsubway.org/wiki/IND_Concourse_Line", "kind": "other", "quote": "Opening Date: 7/1/1933 ... All stations opened simultaneously on July 1, 1933, indicating a single-stage opening rather than phased development.", "tier": "secondary", "title": "IND Concourse Line — nycsubway.org", "url": "https://www.nycsubway.org/wiki/IND_Concourse_Line" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20230416034004/https://www.newspapers.com/clip/30303616/the-brooklyn-daily-eagle/", "kind": "news", "publisher": "Brooklyn Daily Eagle", "quote": "Bronx-Concourse New Subway Link Opened at 12:57 A.M. [headline; date of paper: July 1, 1933]", "tier": "secondary", "title": "Bronx-Concourse New Subway Link Opened at 12:57 A.M.: Adds 21 1/2 Miles to City's System−Connects With Manhattan Line at 145th", "url": "https://www.newspapers.com/clip/30303616/the-brooklyn-daily-eagle/", "via": "https://en.wikipedia.org/wiki/IND_Concourse_Line" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20250616044217/https://www.nytimes.com/1933/07/01/archives/new-bronx-subway-starts-operation-40000000-branch-of-city-system.html", "kind": "news", "publisher": "The New York Times", "quote": "New Bronx Subway Starts Operation [headline; date of paper: July 1, 1933]", "tier": "secondary", "title": "New Bronx Subway Starts Operation", "url": "https://www.nytimes.com/1933/07/01/archives/new-bronx-subway-starts-operation-40000000-branch-of-city-system.html", "via": "https://en.wikipedia.org/wiki/IND_Concourse_Line" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20260315022450/https://nycsubway.org/wiki/History_of_the_Independent_Subway", "kind": "other", "publisher": "nycsubway.org", "quote": "On July 1st, the Concourse Line opened from 145th St. to 205th St.", "tier": "secondary", "title": "History of the Independent Subway — nycsubway.org", "url": "https://www.nycsubway.org/wiki/History_of_the_Independent_Subway", "via": "https://en.wikipedia.org/wiki/IND_Concourse_Line" } ], "stationCount": 12 }, { "closed": "2018-08", "confidence": "high", "geometryRef": null, "id": "nyc-ind-concourse-line-20181226-1", "kind": "reopening", "label": { "en": "174th–175th Streets station reopens after Enhanced Station Initiative renovation (closed ~Aug 2018)" }, "notes": "[Opening-date chase 2026-06-13] This phase is a station reopening after Enhanced Station Initiative renovation, not a new-line opening; the Dec 26, 2018 reopening is directly confirmed by the official NYCT Subway Twitter account posting on that date.", "opened": "2018-12-26", "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260207233637/https://en.wikipedia.org/wiki/174th%E2%80%93175th_Streets_station", "kind": "wikipedia", "quote": "174th–175th Streets station ... reopened on December 26, 2018", "tier": "tertiary", "title": "174th–175th Streets station — Wikipedia", "url": "https://en.wikipedia.org/wiki/174th%E2%80%93175th_Streets_station" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260117221905/https://bronx.news12.com/mta-174th-175th-street-station-closed-until-december-38869556", "kind": "news", "quote": "The 174th Street and 175th Street Grand Concourse station closed Monday for the next four months", "tier": "secondary", "title": "MTA: 174th, 175th street station closed until December — News 12 Bronx", "url": "https://bronx.news12.com/mta-174th-175th-street-station-closed-until-december-38869556" }, { "accessedAt": "2026-06-13", "kind": "primary", "publisher": "New York City Transit Authority (@NYCTSubway)", "quote": "We're back! The 174-175 Sts B/D station has reopened with: Repaired platform structural steel and concrete / Replaced platform edges and repaired stairways / Added new digital wayfinding and customer information screens [posted December 26, 2018]", "tier": "primary", "title": "NYCT Subway tweet: 174-175 Sts B/D station has reopened", "url": "https://twitter.com/NYCTSubway/status/1078125737843011585", "via": "https://en.wikipedia.org/wiki/174th%E2%80%93175th_Streets_station" } ] } ], "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260607204727/https://en.wikipedia.org/wiki/IND_Concourse_Line", "kind": "wikipedia", "quote": "The entire Concourse Line opened on July 1, 1933, less than ten months after the IND's first line, the IND Eighth Avenue Line, opened for service.", "tier": "tertiary", "title": "IND Concourse Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IND_Concourse_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260202021901/https://www.nycsubway.org/wiki/IND_Concourse_Line", "kind": "other", "quote": "Opening Date: 7/1/1933 ... All stations opened simultaneously on July 1, 1933, indicating a single-stage opening rather than phased development.", "tier": "secondary", "title": "IND Concourse Line — nycsubway.org", "url": "https://www.nycsubway.org/wiki/IND_Concourse_Line" } ] }, { "cityId": "nyc", "color": "#0039A6", "displayNumber": "IND Rockaway Line", "id": "nyc-line-ind-rockaway-line", "name": { "en": "IND Rockaway Line" }, "phases": [ { "confidence": "medium", "constructionStart": "1952", "cost": { "basis": "outturn", "confidence": "medium", "nominal": { "currency": "USD", "isEstimate": false, "value": 47500000, "year": 1956 }, "notes": "City bought the existing LIRR Rockaway Beach Branch on 11 June 1952 for $8.5 million, then spent $47.5 million to rebuild and convert it for subway use (incl. fireproof Jamaica Bay crossing with two steel swing bridges and two artificial sand islands) — total acquisition + conversion ~$56 million. The $47.5M figure is the conversion/reconstruction outturn; the $8.5M acquisition is separate. [Citation chase 2026-06-11] The $47.5M conversion total is stated verbatim only in Wikipedia; of its two citations, the contemporary NYT opening-day article (June 28, 1956) is paywalled and unverified, and the Queens Gazette citation does not contain the figure (it covers the separate northern LIRR Rockaway Branch abandonment). The ERA bulletin corroborates the $8.5M acquisition and individual construction contracts but not the $47.5M total.", "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260406005739/https://en.wikipedia.org/wiki/IND_Rockaway_Line", "kind": "wikipedia", "quote": "On June 28, 1956, service on the line began between Euclid Avenue and Rockaway Park at 6:38 PM and between Euclid Avenue and Wavecrest at 6:48 PM.", "tier": "tertiary", "title": "IND Rockaway Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IND_Rockaway_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260406005739/https://en.wikipedia.org/wiki/IND_Rockaway_Line", "kind": "wikipedia", "quote": "the city bought the line on June 11, 1952, for $8.5 million.", "tier": "tertiary", "title": "IND Rockaway Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IND_Rockaway_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260406005739/https://en.wikipedia.org/wiki/IND_Rockaway_Line", "kind": "wikipedia", "quote": "In total, $47.5 million was spent to rebuild the line and to convert it for subway use", "tier": "tertiary", "title": "IND Rockaway Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IND_Rockaway_Line" }, { "accessedAt": "2026-06-11", "archivedUrl": "https://web.archive.org/web/20241127081908/https://issuu.com/erausa/docs/2006-06-bulletin", "kind": "other", "publisher": "New York Division, Electric Railroaders' Association", "quote": "On June 11, 1952, the Rockaway Line was sold to the city for $8.5 million. … The first phase was a $2 million contract for building an embankment by dredging and pumping sand from Jamaica Bay. … A $5.5 million contract for foundations and piers and a $4.14 million contract for the superstructure were awarded.", "tier": "secondary", "title": "Fifty Years of Subway Service to the Rockaways", "url": "https://issuu.com/erausa/docs/2006-06-bulletin", "via": "https://en.wikipedia.org/wiki/IND_Rockaway_Line" } ] }, "geometryRef": "nyc-IND Rockaway Line", "id": "nyc-ind-rockaway-line-19560628-0", "kind": "initial", "label": { "en": "Line opens: Euclid Avenue → Rockaway Park / Wavecrest (former LIRR Rockaway Beach Branch converted to subway, both branches)" }, "notes": "[Date chase 2026-06-12] The 1952 constructionStart reflects the line's purchase (June 11, 1952) and immediate contract preparation for reconstruction, not an independently dated start of physical work. Wikipedia documents trestle construction underway by mid-1955 (NYT, June 30, 1955). The key ERA June 2006 bulletin (Issuu) is dead-linked (404) with no accessible Wayback copy, so 1952 as the physical-construction start is not independently verifiable; rating remains partial. [Opening-date chase 2026-06-13] Wikipedia lead text has an uncited 'June 26, 1956' that conflicts with the cited History section's June 28, 1956 (service start 6:38 PM / 6:48 PM); treated as a prose error. Contemporaneous NYTimes article dated June 28, 1956 corroborates the curated date.", "opened": "1956-06-28", "segment": { "fromStopIndex": 1, "toStopIndex": 14 }, "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260406005739/https://en.wikipedia.org/wiki/IND_Rockaway_Line", "kind": "wikipedia", "quote": "On June 28, 1956, service on the line began between Euclid Avenue and Rockaway Park at 6:38 PM and between Euclid Avenue and Wavecrest at 6:48 PM.", "tier": "tertiary", "title": "IND Rockaway Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IND_Rockaway_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260406005739/https://en.wikipedia.org/wiki/IND_Rockaway_Line", "kind": "wikipedia", "quote": "the city bought the line on June 11, 1952, for $8.5 million.", "tier": "tertiary", "title": "IND Rockaway Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IND_Rockaway_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260406005739/https://en.wikipedia.org/wiki/IND_Rockaway_Line", "kind": "wikipedia", "quote": "In total, $47.5 million was spent to rebuild the line and to convert it for subway use", "tier": "tertiary", "title": "IND Rockaway Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IND_Rockaway_Line" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20260613163115/https://timesmachine.nytimes.com/timesmachine/1956/06/28/84703811.pdf", "kind": "news", "publisher": "The New York Times", "quote": "Article dated June 28, 1956 titled 'Rockaway Trains to Operate Today' — publication date matches the curated opening date.", "tier": "secondary", "title": "Rockaway Trains to Operate Today", "url": "https://timesmachine.nytimes.com/timesmachine/1956/06/28/84703811.pdf", "via": "https://en.wikipedia.org/wiki/IND_Rockaway_Line" } ] }, { "confidence": "medium", "geometryRef": "nyc-IND Rockaway Line", "id": "nyc-ind-rockaway-line-19580116-1", "kind": "extension", "label": { "en": "Far Rockaway branch completed: Far Rockaway–Mott Avenue station opens (replacing temporary Wavecrest terminal)" }, "opened": "1958-01-16", "segment": { "fromStopIndex": 0, "toStopIndex": 1 }, "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260406005739/https://en.wikipedia.org/wiki/IND_Rockaway_Line", "kind": "wikipedia", "quote": "A new station at Far Rockaway–Mott Avenue opened on January 16, 1958, completing the Rockaway Line.", "tier": "tertiary", "title": "IND Rockaway Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IND_Rockaway_Line" }, { "accessedAt": "2026-06-13", "kind": "news", "publisher": "The New York Times", "quote": "Article dated January 16, 1958 titled 'New Subway Unit Ready: Far Rockaway IND Terminal Will Be Opened Today' — publication date matches the curated opening date.", "tier": "secondary", "title": "New Subway Unit Ready: Far Rockaway IND Terminal Will Be Opened Today", "url": "https://timesmachine.nytimes.com/timesmachine/1958/01/16/83388071.pdf", "via": "https://en.wikipedia.org/wiki/IND_Rockaway_Line" } ], "stationCount": 1 }, { "closed": "2012-10-29", "confidence": "medium", "geometryRef": null, "id": "nyc-ind-rockaway-line-20130530-2", "kind": "reopening", "label": { "en": "Hurricane Sandy closure and reopening: Jamaica Bay segment rebuilt, H shuttle (20 Nov 2012) then full A service restored" }, "notes": "Hurricane Sandy (29 Oct 2012) severely damaged the Jamaica Bay crossing. A free shuttle designated H began 20 Nov 2012 serving the Rockaway peninsula portion during repairs; full A service was restored 30 May 2013. [Opening-date chase 2026-06-13] May 30, 2013 is the full revenue A-service restoration, distinct from the free interim H shuttle that began November 20, 2012; the curated phase correctly captures the full-service date.", "opened": "2013-05-30", "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260406005739/https://en.wikipedia.org/wiki/IND_Rockaway_Line", "kind": "wikipedia", "quote": "On November 20, 2012, a free shuttle designated as H replaced the Rockaway portion of the A service", "tier": "tertiary", "title": "IND Rockaway Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IND_Rockaway_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260406005739/https://en.wikipedia.org/wiki/IND_Rockaway_Line", "kind": "wikipedia", "quote": "On May 30, 2013, full service was restored.", "tier": "tertiary", "title": "IND Rockaway Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IND_Rockaway_Line" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20260613163141/https://www.cbsnews.com/newyork/news/a-train-service-resumes-in-rockaways-today/", "kind": "news", "publisher": "CBS New York", "quote": "Published May 30, 2013 at 2:00 PM EDT; title says 'Today'; article reports the first train left Howard Beach at about 10:30 a.m. and normal A/S service resumed around noon on publication day.", "tier": "secondary", "title": "After Seven Months, A Train Subway Service Resumes In Rockaways", "url": "https://www.cbsnews.com/newyork/news/a-train-service-resumes-in-rockaways-today/", "via": "https://en.wikipedia.org/wiki/IND_Rockaway_Line" } ] }, { "closed": "2025-01-17", "confidence": "high", "geometryRef": null, "id": "nyc-ind-rockaway-line-20250519-3", "kind": "reopening", "label": { "en": "2025 viaduct reconstruction closure and reopening: Howard Beach → peninsula suspended 17 weeks" }, "notes": "Service between Howard Beach and the Rockaway peninsula was suspended for 17 weeks to reconstruct ~1,600 ft of viaduct (incl. South Channel Bridge and Hammels Wye); fare-free shuttle ran between Rockaway Park and Far Rockaway. Regular service resumed 19 May 2025.", "opened": "2025-05-19", "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260406005739/https://en.wikipedia.org/wiki/IND_Rockaway_Line", "kind": "wikipedia", "quote": "service between Howard Beach and the peninsula was suspended for 17 weeks starting January 17, 2025", "tier": "tertiary", "title": "IND Rockaway Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IND_Rockaway_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260406005739/https://en.wikipedia.org/wiki/IND_Rockaway_Line", "kind": "wikipedia", "quote": "Regular service resumed on May 19, 2025.", "tier": "tertiary", "title": "IND Rockaway Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IND_Rockaway_Line" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20260613163224/https://www.cbsnews.com/newyork/news/rockaways-a-train-resumes-service-new-york/", "kind": "news", "publisher": "CBS New York", "quote": "A train service officially resumed operations to the Rockaways on May 19, 2025, with trains departing from Mott Avenue station after a four-month shutdown for repairs.", "tier": "secondary", "title": "A train service to Rockaways resumes after 4 month shutdown for repairs", "url": "https://www.cbsnews.com/newyork/news/rockaways-a-train-resumes-service-new-york/", "via": "https://en.wikipedia.org/wiki/IND_Rockaway_Line" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20260521014123/https://www.rockawaytimes.com/a-train-shutdown-tops-september-cb14-meeting/", "kind": "news", "publisher": "THE ROCKAWAY TIMES", "quote": "The shutdown of A and Shuttle service from Rockaway to Howard Beach starting January 17 through Monday, May 19, 2025.", "tier": "secondary", "title": "A Train Shutdown Tops September CB14 Meeting", "url": "https://www.rockawaytimes.com/a-train-shutdown-tops-september-cb14-meeting/", "via": "https://en.wikipedia.org/wiki/IND_Rockaway_Line" } ] }, { "confidence": "low", "geometryRef": "nyc-IND Rockaway Line#2", "id": "nyc-ind-rockaway-line-19560628-spur", "kind": "extension", "label": { "en": "Rockaway Park spur opens (Hammels Wye → Rockaway Park–Beach 116th St)" }, "notes": "Same 1956 conversion of the LIRR Rockaway Beach Branch; the Rockaway Park spur opened with the Far Rockaway trunk. No separate cost (shared with the main Rockaway Line opening). [Opening-date chase 2026-06-13] Spur opening coincides with the main line opening on June 28, 1956 (service to Rockaway Park began at 6:38 PM).", "opened": "1956-06-28", "segment": { "fromStopIndex": 0, "toStopIndex": 4 }, "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260406005739/https://en.wikipedia.org/wiki/IND_Rockaway_Line", "kind": "wikipedia", "quote": "On June 28, 1956, service on the line began between Euclid Avenue and Rockaway Park at 6:38 PM and between Euclid Avenue and Wavecrest at 6:48 PM.", "tier": "tertiary", "title": "IND Rockaway Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IND_Rockaway_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260406005739/https://en.wikipedia.org/wiki/IND_Rockaway_Line", "kind": "wikipedia", "quote": "the city bought the line on June 11, 1952, for $8.5 million.", "tier": "tertiary", "title": "IND Rockaway Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IND_Rockaway_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260406005739/https://en.wikipedia.org/wiki/IND_Rockaway_Line", "kind": "wikipedia", "quote": "In total, $47.5 million was spent to rebuild the line and to convert it for subway use", "tier": "tertiary", "title": "IND Rockaway Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IND_Rockaway_Line" } ] } ], "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260406005739/https://en.wikipedia.org/wiki/IND_Rockaway_Line", "kind": "wikipedia", "quote": "On June 28, 1956, service on the line began between Euclid Avenue and Rockaway Park at 6:38 PM and between Euclid Avenue and Wavecrest at 6:48 PM.", "tier": "tertiary", "title": "IND Rockaway Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IND_Rockaway_Line" } ] }, { "cityId": "nyc", "color": "#0039A6", "displayNumber": "IND Archer Avenue Line", "id": "nyc-line-ind-archer-avenue-line", "name": { "en": "IND Archer Avenue Line" }, "phases": [ { "confidence": "high", "constructionStart": "1973", "cost": { "basis": "outturn", "confidence": "low", "nominal": { "currency": "USD", "isEstimate": false, "value": 465000000, "year": 1988 }, "notes": "Final outturn cost of the entire Archer Avenue project (the upper IND level used by E/J trains and the lower BMT level used by J/Z trains share this single construction project, so the figure covers both levels, not the IND level alone). Described as nearly five times the original budgeted cost. An earlier mid-construction project figure was $242 million ($162M paid by NYC, remainder by NY State). Price-level year not explicitly stated by source; treated as nominal. [Citation chase 2026-06-11] The $465M final-cost figure rests on a single Wikipedia inline citation (NY Daily News, Dec 15, 1991) that could not be verified directly (newspapers.com returns HTTP 403/paywall); the contemporaneous NYT (Dec 9, 1988) corroborates the \"nearly five times original budget\" framing but not the specific dollar value.", "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260516144136/https://en.wikipedia.org/wiki/Archer_Avenue_lines", "kind": "wikipedia", "quote": "The line opened on December 11, 1988, at a cost of nearly five times its original budgeted cost and cut back to a length of 2 miles (3 km).", "tier": "tertiary", "title": "Archer Avenue lines — Wikipedia", "url": "https://en.wikipedia.org/wiki/Archer_Avenue_lines" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260516144136/https://en.wikipedia.org/wiki/Archer_Avenue_lines", "kind": "wikipedia", "quote": "Construction on the Archer Avenue subway began on October 23, 1973, at 159th Street and Beaver Road, just south of Archer Avenue.", "tier": "tertiary", "title": "Archer Avenue lines — Wikipedia", "url": "https://en.wikipedia.org/wiki/Archer_Avenue_lines" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260516144136/https://en.wikipedia.org/wiki/Archer_Avenue_lines", "kind": "wikipedia", "quote": "The project's final cost was $465 million.", "tier": "tertiary", "title": "Archer Avenue lines — Wikipedia", "url": "https://en.wikipedia.org/wiki/Archer_Avenue_lines" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260516144136/https://en.wikipedia.org/wiki/Archer_Avenue_lines", "kind": "wikipedia", "quote": "$162 million of the $242 million project was paid for by the city, with the state footing the remainder of the bill.", "tier": "tertiary", "title": "Archer Avenue lines — Wikipedia", "url": "https://en.wikipedia.org/wiki/Archer_Avenue_lines" }, { "accessedAt": "2026-06-11", "archivedUrl": "https://web.archive.org/web/20251021121001/https://www.nytimes.com/1988/12/09/nyregion/big-changes-for-subways-are-to-begin.html", "kind": "news", "publisher": "The New York Times", "tier": "secondary", "title": "Big Changes For Subways Are to Begin", "url": "https://www.nytimes.com/1988/12/09/nyregion/big-changes-for-subways-are-to-begin.html", "via": "https://en.wikipedia.org/wiki/Archer_Avenue_lines" } ] }, "geometryRef": "nyc-IND Archer Avenue Line", "id": "nyc-ind-archer-avenue-line-19881211-0", "kind": "initial", "label": { "en": "Line opens: Jamaica–Van Wyck → Jamaica Center–Parsons/Archer (entire Archer Avenue Line, all 3 stations)" }, "notes": "[Date chase 2026-06-12] A ceremonial groundbreaking occurred August 15, 1972 at Archer Avenue and 151st Street, but Wikipedia distinguishes this from actual construction, which began October 23, 1973 at 159th Street and Beaver Road, per contemporaneous NYT reporting (Burks, 'Work Begun on Queens Subway Extension,' Oct 24 1973). [Opening-date chase 2026-06-13] Opening date is corroborated at full day granularity by primary operator sources: the NYCTA 'Welcome Aboard' newsletter titled 'Archer Avenue Extension Opens December 11' and the official NYCTA service-change pamphlet naming 'Sunday, December 11th'. No ceremonial-vs-revenue split exists; the entire line (all 3 stations) opened to revenue service simultaneously on 1988-12-11.", "opened": "1988-12-11", "segment": { "fromStopIndex": 0, "toStopIndex": 2 }, "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260516144136/https://en.wikipedia.org/wiki/Archer_Avenue_lines", "kind": "wikipedia", "quote": "The line opened on December 11, 1988, at a cost of nearly five times its original budgeted cost and cut back to a length of 2 miles (3 km).", "tier": "tertiary", "title": "Archer Avenue lines — Wikipedia", "url": "https://en.wikipedia.org/wiki/Archer_Avenue_lines" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260516144136/https://en.wikipedia.org/wiki/Archer_Avenue_lines", "kind": "wikipedia", "quote": "Construction on the Archer Avenue subway began on October 23, 1973, at 159th Street and Beaver Road, just south of Archer Avenue.", "tier": "tertiary", "title": "Archer Avenue lines — Wikipedia", "url": "https://en.wikipedia.org/wiki/Archer_Avenue_lines" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260516144136/https://en.wikipedia.org/wiki/Archer_Avenue_lines", "kind": "wikipedia", "quote": "The project's final cost was $465 million.", "tier": "tertiary", "title": "Archer Avenue lines — Wikipedia", "url": "https://en.wikipedia.org/wiki/Archer_Avenue_lines" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260516144136/https://en.wikipedia.org/wiki/Archer_Avenue_lines", "kind": "wikipedia", "quote": "$162 million of the $242 million project was paid for by the city, with the state footing the remainder of the bill.", "tier": "tertiary", "title": "Archer Avenue lines — Wikipedia", "url": "https://en.wikipedia.org/wiki/Archer_Avenue_lines" }, { "accessedAt": "2026-06-12", "kind": "news", "publisher": "The New York Times", "quote": "Wikipedia cites this article (Burks, Edward C., October 24, 1973) as the source for: \"Construction on the Archer Avenue subway began on October 23, 1973, at 159th Street and Beaver Road, just south of Archer Avenue.\" Direct access to the article is blocked (timesmachine paywall).", "tier": "primary", "title": "Work Begun on Queens Subway Extension", "url": "https://timesmachine.nytimes.com/timesmachine/1973/10/24/80809618.pdf", "via": "https://en.wikipedia.org/wiki/Archer_Avenue_lines" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20251021121001/https://www.nytimes.com/1988/12/09/nyregion/big-changes-for-subways-are-to-begin.html", "kind": "news", "publisher": "The New York Times", "quote": "Wikipedia renders: 'the lines did not open until December 11, 1988' — this Kirk Johnson article (Dec 9, 1988) is the primary citation for that statement; direct access blocked by paywall.", "tier": "secondary", "title": "Big Changes For Subways Are to Begin", "url": "https://www.nytimes.com/1988/12/09/nyregion/big-changes-for-subways-are-to-begin.html", "via": "https://en.wikipedia.org/wiki/Archer_Avenue_lines" } ], "stationCount": 3 } ], "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260516144136/https://en.wikipedia.org/wiki/Archer_Avenue_lines", "kind": "wikipedia", "quote": "The line opened on December 11, 1988, at a cost of nearly five times its original budgeted cost and cut back to a length of 2 miles (3 km).", "tier": "tertiary", "title": "Archer Avenue lines — Wikipedia", "url": "https://en.wikipedia.org/wiki/Archer_Avenue_lines" } ] }, { "cityId": "nyc", "color": "#996633", "displayNumber": "BMT Archer Avenue Line", "id": "nyc-line-bmt-archer-avenue-line", "name": { "en": "BMT Archer Avenue Line" }, "phases": [ { "confidence": "high", "constructionStart": "1973", "geometryRef": "nyc-BMT Archer Avenue Line", "id": "nyc-bmt-archer-avenue-line-19881211-0", "kind": "initial", "label": { "en": "Archer Avenue Line opens: 121st Street → Jamaica Center–Parsons/Archer (BMT lower level, J train extension)" }, "notes": "[Date chase 2026-06-12] Precise construction start was October 23, 1973 (NYT Oct 24 1973, 'Work Begun on Queens Subway Extension', Burks). A separate August 15, 1972 groundbreaking ceremony predates this but is distinguished by Wikipedia from the actual start of construction. [Opening-date chase 2026-06-13] VIP/dedication ceremony and non-revenue public station previews were held the afternoon of Dec 10, 1988; the first revenue J train ran just before midnight Dec 10 (technically the last run of Dec 10), with full public revenue service (skip-stop J/Z, E service, bus reroutes) launching Sunday Dec 11, 1988 per NYCTA's own announcement.", "opened": "1988-12-11", "segment": { "fromStopIndex": 0, "toStopIndex": 2 }, "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260516144136/https://en.wikipedia.org/wiki/Archer_Avenue_lines", "kind": "wikipedia", "quote": "The line opened on December 11, 1988, at a cost of nearly five times its original budgeted cost and cut back to a length of 2 miles (3 km).", "tier": "tertiary", "title": "Archer Avenue lines — Wikipedia", "url": "https://en.wikipedia.org/wiki/Archer_Avenue_lines" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260530160446/https://en.wikipedia.org/wiki/J/Z_(New_York_City_Subway_service)", "kind": "wikipedia", "quote": "The BMT Archer Avenue Line was scheduled to open on December 11, 1988, extending the J east from 121st Street to Jamaica Center–Parsons/Archer. The Z designation, along with the present J/Z skip-stop service pattern, would be introduced the following day.", "tier": "tertiary", "title": "J/Z (New York City Subway service) — Wikipedia", "url": "https://en.wikipedia.org/wiki/J/Z_(New_York_City_Subway_service)" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260516144124/https://en.wikipedia.org/wiki/BMT_Archer_Avenue_Line", "kind": "wikipedia", "quote": "Construction on the line started in 1973, and the project was expected to be completed in 1980 ... Due to financial issues and concern about the quality of the construction, the lines did not open until December 11, 1988.", "tier": "tertiary", "title": "BMT Archer Avenue Line / Archer Avenue lines — Wikipedia", "url": "https://en.wikipedia.org/wiki/BMT_Archer_Avenue_Line" }, { "accessedAt": "2026-06-12", "kind": "news", "publisher": "The New York Times", "quote": "Construction on the Archer Avenue subway began on October 23, 1973, at 159th Street and Beaver Road, just south of Archer Avenue. [Wikipedia's Construction section cites this article for that statement; the article is dated October 24, 1973 and bylined Edward C. Burks]", "tier": "primary", "title": "Work Begun on Queens Subway Extension", "url": "https://timesmachine.nytimes.com/timesmachine/1973/10/24/80809618.pdf", "via": "https://en.wikipedia.org/wiki/Archer_Avenue_lines" }, { "accessedAt": "2026-06-12", "archivedUrl": "https://web.archive.org/web/20251021121001/https://www.nytimes.com/1988/12/09/nyregion/big-changes-for-subways-are-to-begin.html", "kind": "news", "publisher": "The New York Times", "quote": "Wikipedia's lead section cites this December 9, 1988 Kirk Johnson article (ref :02) as supporting 'Construction on the line started in 1973'", "tier": "secondary", "title": "Big Changes For Subways Are to Begin", "url": "https://www.nytimes.com/1988/12/09/nyregion/big-changes-for-subways-are-to-begin.html", "via": "https://en.wikipedia.org/wiki/Archer_Avenue_lines" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20260206100045/https://erausa.org/pdf/bulletin/2000s/2008/2008-12-bulletin.pdf", "kind": "other", "publisher": "Electric Railroaders' Association", "quote": "Revenue operation in the new Archer Avenue Subway began on Saturday, December 10, 1988 shortly before midnight. The first J train arrived at Parsons-Archer at 11:42 PM and departed at 11:53 PM. The first E train followed at midnight. ... Ceremonies were held on December 10, 1988, the afternoon before revenue service began. An eight-car R-46 Special VIP Train departed from Chambers Street IND at 9:33 AM ... From 1 to 3 PM, the new stations were opened to the public. ... When service was extended to Parsons-Archer on December 11, 1988, NYC Transit operated rush hour skip-stop J/Z trains.", "tier": "secondary", "title": "Archer Avenue Subway Opened 20 Years Ago — The Bulletin, Electric Railroaders' Association, December 2008", "url": "https://erausa.org/pdf/bulletin/2000s/2008/2008-12-bulletin.pdf", "via": "https://en.wikipedia.org/wiki/J/Z_(New_York_City_Subway_service)" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20251119164129/https://www.flickr.com/photos/127872292@N06/27699872706/", "kind": "primary", "publisher": "New York City Transit Authority", "quote": "System-Wide Changes In Subway Service Effective Sunday, December 11, 1988 [title of NYCTA official document announcing service changes]", "tier": "primary", "title": "System-Wide Changes In Subway Service Effective Sunday, December 11, 1988 — New York City Transit Authority", "url": "https://www.flickr.com/photos/127872292@N06/27699872706/", "via": "https://en.wikipedia.org/wiki/J/Z_(New_York_City_Subway_service)" } ], "stationCount": 2 } ], "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260516144136/https://en.wikipedia.org/wiki/Archer_Avenue_lines", "kind": "wikipedia", "quote": "The line opened on December 11, 1988, at a cost of nearly five times its original budgeted cost and cut back to a length of 2 miles (3 km).", "tier": "tertiary", "title": "Archer Avenue lines — Wikipedia", "url": "https://en.wikipedia.org/wiki/Archer_Avenue_lines" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260530160446/https://en.wikipedia.org/wiki/J/Z_(New_York_City_Subway_service)", "kind": "wikipedia", "quote": "The BMT Archer Avenue Line was scheduled to open on December 11, 1988, extending the J east from 121st Street to Jamaica Center–Parsons/Archer. The Z designation, along with the present J/Z skip-stop service pattern, would be introduced the following day.", "tier": "tertiary", "title": "J/Z (New York City Subway service) — Wikipedia", "url": "https://en.wikipedia.org/wiki/J/Z_(New_York_City_Subway_service)" } ] }, { "cityId": "nyc", "color": "#6CBE45", "displayNumber": "IND Crosstown Line", "id": "nyc-line-ind-crosstown-line", "name": { "en": "IND Crosstown Line" }, "phases": [ { "confidence": "high", "constructionStart": "1928", "cost": { "basis": "estimate", "confidence": "medium", "nominal": { "currency": "USD", "isEstimate": true, "value": 15000000, "year": 1928 }, "notes": "Figure covers the THREE construction contracts for the Greenpoint Section (over five miles of track) of the Crosstown Line, NOT this opened segment alone; from a 22 Jan 1928 NYT headline projecting the work would 'cost over $15,000,000'. It is a pre-construction estimate, not a final outturn. New stations opened in this 1933 stage: Court Square, 21st Street, Greenpoint Avenue, Nassau Avenue. The GG reached Queens Plaza via the flying junction with the IND Queens Boulevard Line just south of Queens Plaza. [Citation chase 2026-06-11] The $15M derives solely from the NYT headline metadata (the 22 Jan 1928 article body is paywalled; only the headline was verifiable via the Wayback snapshot), and it is a forward-looking estimate for the broader Greenpoint Section contracts rather than the cost of the segment opened in 1933.", "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260611124606/https://en.wikipedia.org/wiki/IND_Crosstown_Line", "kind": "wikipedia", "quote": "On August 19, 1933, the line was opened north of Nassau Avenue, and the GG began operation to Queens Plaza.", "tier": "tertiary", "title": "IND Crosstown Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IND_Crosstown_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260611124606/https://en.wikipedia.org/wiki/IND_Crosstown_Line", "kind": "wikipedia", "quote": "The first contract to build the Crosstown Line, for a section north of Nassau Avenue in Brooklyn, was awarded in 1928.", "tier": "tertiary", "title": "IND Crosstown Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IND_Crosstown_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260611124606/https://en.wikipedia.org/wiki/IND_Crosstown_Line", "kind": "news", "quote": "Three Contracts for Work in the Greenpoint Section for Over Five Miles of Track. WILL COST OVER $15,000,000", "tier": "secondary", "title": "IND Crosstown Line — Wikipedia (citing NYT headline, 22 Jan 1928)", "url": "https://en.wikipedia.org/wiki/IND_Crosstown_Line" }, { "accessedAt": "2026-06-11", "archivedUrl": "https://web.archive.org/web/20241227151049/https://www.nytimes.com/1928/01/22/archives/subway-extensions-for-long-island-three-contracts-for-work-in-the.html", "kind": "news", "publisher": "The New York Times", "quote": "SUBWAY EXTENSIONS FOR LONG ISLAND; Three Contracts for Work in the Greenpoint Section for Over Five Miles of Track. WILL COST-OVER $15,000,000", "tier": "primary", "title": "SUBWAY EXTENSIONS FOR LONG ISLAND; Three Contracts for Work in the Greenpoint Section for Over Five Miles of Track. WILL COST-OVER $15,000,000 The New Fifty-third Street Terminal Under East River Now 45Per Cent. Completed.", "url": "https://www.nytimes.com/1928/01/22/archives/subway-extensions-for-long-island-three-contracts-for-work-in-the.html", "via": "https://en.wikipedia.org/wiki/IND_Crosstown_Line" } ] }, "geometryRef": "nyc-IND Crosstown Line", "id": "nyc-ind-crosstown-line-19330819-0", "kind": "initial", "label": { "en": "Stage 1 opens: Nassau Avenue (north) → Court Square / Queens Plaza (GG to Queens Plaza)" }, "notes": "[Date chase 2026-06-12] First construction contract (Greenpoint section, north of Nassau Avenue) awarded ~January 1928 per NYT (22 Jan 1928); both the NYT and the contemporaneous source are paywalled, so no sub-year construction-start precision is attainable from public sources. Year 1928 stands. [Opening-date chase 2026-06-13] This was a midnight revenue-service opening into August 19, 1933 (NYT headline 'Two Subway Units Open at Midnight'); no separate ceremonial date — the curated date reflects actual passenger service commencement.", "opened": "1933-08-19", "segment": { "fromStopIndex": 0, "toStopIndex": 2 }, "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260611124606/https://en.wikipedia.org/wiki/IND_Crosstown_Line", "kind": "wikipedia", "quote": "On August 19, 1933, the line was opened north of Nassau Avenue, and the GG began operation to Queens Plaza.", "tier": "tertiary", "title": "IND Crosstown Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IND_Crosstown_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260611124606/https://en.wikipedia.org/wiki/IND_Crosstown_Line", "kind": "wikipedia", "quote": "The first contract to build the Crosstown Line, for a section north of Nassau Avenue in Brooklyn, was awarded in 1928.", "tier": "tertiary", "title": "IND Crosstown Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IND_Crosstown_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260611124606/https://en.wikipedia.org/wiki/IND_Crosstown_Line", "kind": "news", "quote": "Three Contracts for Work in the Greenpoint Section for Over Five Miles of Track. WILL COST OVER $15,000,000", "tier": "secondary", "title": "IND Crosstown Line — Wikipedia (citing NYT headline, 22 Jan 1928)", "url": "https://en.wikipedia.org/wiki/IND_Crosstown_Line" }, { "accessedAt": "2026-06-12", "archivedUrl": "https://web.archive.org/web/20241227151049/https://www.nytimes.com/1928/01/22/archives/subway-extensions-for-long-island-three-contracts-for-work-in-the.html", "kind": "news", "publisher": "The New York Times", "quote": "Three Contracts for Work in the Greenpoint Section for Over Five Miles of Track. WILL COST OVER $15,000,000", "tier": "secondary", "title": "SUBWAY EXTENSIONS FOR LONG ISLAND; Three Contracts for Work in the Greenpoint Section for Over Five Miles of Track. WILL COST OVER $15,000,000", "url": "https://www.nytimes.com/1928/01/22/archives/subway-extensions-for-long-island-three-contracts-for-work-in-the.html", "via": "https://en.wikipedia.org/wiki/IND_Crosstown_Line" }, { "accessedAt": "2026-06-12", "archivedUrl": "https://web.archive.org/web/20260508023638/https://www.newspapers.com/image/59882699/?terms=%22subway%22%2B%22court%22%2B%22bond%2Bst%22", "kind": "news", "publisher": "Brooklyn Daily Eagle", "quote": "Newtown Creek Tunnel First Tube of Kind Bored Without Compressed Air", "tier": "secondary", "title": "Newtown Creek Tunnel First Tube of Kind Bored Without Compressed Air", "url": "https://www.newspapers.com/image/59882699/?terms=%22subway%22%2B%22court%22%2B%22bond%2Bst%22", "via": "https://en.wikipedia.org/wiki/IND_Crosstown_Line" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20260613162917/https://timesmachine.nytimes.com/timesmachine/1933/08/18/99841892.html?pdf_redirect=true&site=false", "kind": "news", "publisher": "The New York Times", "quote": "Two Subway Units Open at Midnight – Links in City-Owned System in Queens and Brooklyn to Have 15 Stations (article dated August 18, 1933, previewing midnight opening into August 19)", "tier": "secondary", "title": "Two Subway Units Open at Midnight – Links in City-Owned System in Queens and Brooklyn to Have 15 Stations", "url": "https://timesmachine.nytimes.com/timesmachine/1933/08/18/99841892.pdf", "via": "https://en.wikipedia.org/wiki/IND_Crosstown_Line" } ], "stationCount": 4 }, { "confidence": "medium", "geometryRef": "nyc-IND Crosstown Line", "id": "nyc-ind-crosstown-line-19370701-1", "kind": "extension", "label": { "en": "Stage 2 opens: Nassau Avenue (south) → Hoyt–Schermerhorn Streets — entire Crosstown Line completed and connected to the IND Culver Line; GG extended to Smith–Ninth Streets and Forest Hills–71st Avenue" }, "notes": "[Opening-date chase 2026-06-13] Stage 2 completed the full Crosstown Line and connected it to the IND Culver Line on July 1, 1937; no evidence of a prior ceremonial opening distinct from revenue service.", "opened": "1937-07-01", "segment": { "fromStopIndex": 2, "toStopIndex": 18 }, "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260611124606/https://en.wikipedia.org/wiki/IND_Crosstown_Line", "kind": "wikipedia", "quote": "The entire Crosstown Line was completed and connected to the IND Culver Line on July 1, 1937, whereupon the GG was extended in both directions to Smith–Ninth Streets and Forest Hills–71st Avenue.", "tier": "tertiary", "title": "IND Crosstown Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IND_Crosstown_Line" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20260508023638/https://bklyn.newspapers.com/image/52688792/?terms=crosstown%2Bsubway", "kind": "news", "publisher": "Brooklyn Daily Eagle", "quote": "New Crosstown Subway Line Is Opened (article dated July 1, 1937)", "tier": "secondary", "title": "New Crosstown Subway Line Is Opened", "url": "https://bklyn.newspapers.com/image/52688792/?terms=crosstown%2Bsubway", "via": "https://en.wikipedia.org/wiki/IND_Crosstown_Line" } ], "stationCount": 9 } ], "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260611124606/https://en.wikipedia.org/wiki/IND_Crosstown_Line", "kind": "wikipedia", "quote": "On August 19, 1933, the line was opened north of Nassau Avenue, and the GG began operation to Queens Plaza.", "tier": "tertiary", "title": "IND Crosstown Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IND_Crosstown_Line" } ] }, { "cityId": "nyc", "color": "#0039A6", "displayNumber": "IND Fulton Street Line", "id": "nyc-line-ind-fulton-street-line", "name": { "en": "IND Fulton Street Line" }, "phases": [ { "confidence": "high", "constructionStart": "1929", "geometryRef": "nyc-IND Fulton Street Line", "id": "nyc-ind-fulton-street-line-19360409-0", "kind": "initial", "label": { "en": "Initial opening: Jay Street → Rockaway Avenue (incl. Court Street stub terminal)" }, "notes": "Construction broke ground 16 April 1929. The 9 April 1936 opening comprised 10 through-running stations (Jay Street–MetroTech, Hoyt–Schermerhorn Streets, Lafayette Avenue, Clinton–Washington Avenues, Franklin Avenue, Nostrand Avenue, Kingston–Throop Avenues, Utica Avenue, Ralph Avenue, Rockaway Avenue) plus the Court Street stub-terminal station served by a shuttle — hence 11 stations total. Rockaway Avenue was the through-line terminal. Funded in part by the federal Public Works Administration (PWA). [Date chase 2026-06-12] Groundbreaking date April 16, 1929 is primary-sourced to a Brooklyn Daily Eagle article (April 17, 1929, paywalled on Newspapers.com) cited within the Wikipedia article. [Opening-date chase 2026-06-13] Opening was an overnight ceremonial run beginning the night of Wed Apr 8, with revenue service recorded as Apr 9, 1936; the Jay St–MetroTech station itself opened earlier (Feb 1, 1933) with the IND Eighth Avenue Line, while the Fulton local platforms and the run east to Rockaway Ave opened Apr 9, 1936.", "opened": "1936-04-09", "segment": { "fromStopIndex": 0, "toStopIndex": 10 }, "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260611124552/https://en.wikipedia.org/wiki/IND_Fulton_Street_Line", "kind": "wikipedia", "quote": "The line was opened from Jay Street to Rockaway Avenue on April 9, 1936, including the stub terminal at Court Street.", "tier": "tertiary", "title": "IND Fulton Street Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IND_Fulton_Street_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260611124552/https://en.wikipedia.org/wiki/IND_Fulton_Street_Line", "kind": "wikipedia", "quote": "The groundbreaking for the line was held on April 16, 1929, at Fulton Street and Arlington Place, near the future Nostrand Avenue station.", "tier": "tertiary", "title": "IND Fulton Street Line — Wikipedia (groundbreaking)", "url": "https://en.wikipedia.org/wiki/IND_Fulton_Street_Line" }, { "accessedAt": "2026-06-12", "archivedUrl": "https://web.archive.org/web/20260511031425/https://www.newspapers.com/image/59879473/?terms=%22Crosstown%22%2B%22subway%22%2B%22schermerhorn%22", "kind": "news", "publisher": "Brooklyn Daily Eagle", "quote": "Ground is Broken For Subway Line Along Fulton St.; Byrne Turns First Spade of Arlington Pl. Earth as Merchants Applaud. [April 17, 1929 — reporting on groundbreaking held April 16, 1929]", "tier": "primary", "title": "New Fulton Street Subway Officially Started as Byrne Turns Earth; Ground is Broken For Subway Line Along Fulton St.; Byrne Turns First Spade of Arlington Pl. Earth as Merchants Applaud.", "url": "https://www.newspapers.com/image/59879473/?terms=%22Crosstown%22%2B%22subway%22%2B%22schermerhorn%22", "via": "https://en.wikipedia.org/wiki/IND_Fulton_Street_Line" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20250616044219/https://www.nytimes.com/1936/04/06/archives/two-subway-links-start-wednesday-city-will-begin-operating-fulton.html", "kind": "news", "publisher": "The New York Times", "quote": "Two Subway Links Start Wednesday [published April 6, 1936, announcing service beginning Wednesday April 8 night/into April 9, 1936]", "tier": "secondary", "title": "Two Subway Links Start Wednesday", "url": "https://www.nytimes.com/1936/04/06/archives/two-subway-links-start-wednesday-city-will-begin-operating-fulton.html", "via": "https://en.wikipedia.org/wiki/IND_Fulton_Street_Line" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20250822223018/https://www.nytimes.com/1936/04/09/archives/new-subway-link-opened-by-mayor-he-tells-15000-in-brooklyn-it-will.html", "kind": "news", "publisher": "The New York Times", "quote": "New Subway Link Opened By Mayor [dated April 9, 1936 — day-of reporting on the opening]", "tier": "secondary", "title": "New Subway Link Opened By Mayor; He Tells 15,000 in Brooklyn It Will Be Extended to Queens When Red Tape Is Cut.", "url": "https://www.nytimes.com/1936/04/09/archives/new-subway-link-opened-by-mayor-he-tells-15000-in-brooklyn-it-will.html", "via": "https://en.wikipedia.org/wiki/IND_Fulton_Street_Line" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20260517134348/https://www.newspapers.com/image/52660008/?terms=%22hoyt%2Bschermerhorn%22%2B%22station%22", "kind": "news", "publisher": "Brooklyn Daily Eagle", "quote": "Brooklyn's New $53,000,000 Subway Line Ready to Open Wednesday Night [April 5, 1936 — 'Wednesday night' = night of April 8/into April 9, 1936; revenue service date is April 9]", "tier": "secondary", "title": "Brooklyn's New $53,000,000 Subway Line Ready to Open Wednesday Night", "url": "https://www.newspapers.com/image/52660008/?terms=%22hoyt%2Bschermerhorn%22%2B%22station%22", "via": "https://en.wikipedia.org/wiki/Hoyt%E2%80%93Schermerhorn_Streets_station" } ], "stationCount": 11 }, { "confidence": "high", "geometryRef": "nyc-IND Fulton Street Line", "id": "nyc-ind-fulton-street-line-19461230-2", "kind": "extension", "label": { "en": "Extension: Rockaway Avenue → Broadway–East New York (Broadway Junction)" }, "notes": "Added a single station, Broadway–East New York (today's Broadway Junction), as a new, more efficient terminal. [Opening-date chase 2026-06-13] This phase has the weakest directly-accessible primary sourcing of the four; the Dec 30, 1946 date rests on two independent Wikipedia articles plus a paywalled Board of Transportation 1949 report. WWII material shortages delayed the extension.", "opened": "1946-12-30", "segment": { "fromStopIndex": 10, "toStopIndex": 11 }, "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260611124552/https://en.wikipedia.org/wiki/IND_Fulton_Street_Line", "kind": "wikipedia", "quote": "The badly needed extension to the more efficient terminal at Broadway−East New York (the current Broadway Junction station) opened on December 30, 1946.", "tier": "tertiary", "title": "IND Fulton Street Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IND_Fulton_Street_Line" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20250818080315/https://babel.hathitrust.org/cgi/pt?id=mdp.39015023094926", "kind": "primary", "publisher": "New York City Board of Transportation", "quote": "[Cited by Wikipedia as a source for the December 30, 1946 opening date; document is a government primary source but is paywalled/login-required at HathiTrust — content not directly verified]", "tier": "primary", "title": "Report for the three and one-half years ending June 30, 1949.", "url": "https://babel.hathitrust.org/cgi/pt?id=mdp.39015023094926", "via": "https://en.wikipedia.org/wiki/IND_Fulton_Street_Line" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20260508004006/https://www.newspapers.com/image/57726129/?terms=euclid%2Bpitkin%2Bsubway", "kind": "news", "publisher": "Brooklyn Daily Eagle", "quote": "[June 9, 1946 article about wartime material shortages delaying the extension — cited as context source; does not directly state the December 30 opening date]", "tier": "secondary", "title": "Shortages Snarl $50,000,000 Tube Links", "url": "https://www.newspapers.com/image/57726129/?terms=euclid%2Bpitkin%2Bsubway", "via": "https://en.wikipedia.org/wiki/Broadway_Junction_station" } ], "stationCount": 1 }, { "confidence": "high", "cost": { "basis": "outturn", "confidence": "medium", "nominal": { "currency": "USD", "isEstimate": true, "value": 46500000, "year": 1948 }, "notes": "Wikipedia states the cost of the extension was 'about $46.5 million'; figure includes the Pitkin Yard (585-car capacity) built as part of the project. [Citation chase 2026-06-11] Figure is the actual (outturn) cost, not a forecast — the citing BOT 1949 report and the Brooklyn Daily Eagle's day-after headline ($47,000,000, consistent with $46.5M rounded) both postdate the Nov 28, 1948 opening. The exact $46.5M figure could not be confirmed in full text (key sources paywalled/Cloudflare-blocked); the 1946 \"$50,000,000\" was a superseded in-progress estimate.", "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260611124552/https://en.wikipedia.org/wiki/IND_Fulton_Street_Line", "kind": "wikipedia", "quote": "The extension of the Fulton Street Line...was placed in operation on November 28, 1948, running along Pennsylvania Avenue and Pitkin Avenue to Euclid Avenue...The cost of the extension was about $46.5 million.", "tier": "tertiary", "title": "IND Fulton Street Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IND_Fulton_Street_Line" }, { "accessedAt": "2026-06-11", "archivedUrl": "https://web.archive.org/web/20260412171755/https://www.newspapers.com/image/52882609/?terms=euclid%2Bpitkin%2Bsubway", "kind": "news", "publisher": "Brooklyn Daily Eagle (November 29, 1948, p. 2)", "quote": "Trains Roll on $47,000,000 Fulton St. Subway Extension", "tier": "primary", "title": "Trains Roll on $47,000,000 Fulton St. Subway Extension", "url": "https://www.newspapers.com/image/52882609/?terms=euclid%2Bpitkin%2Bsubway", "via": "https://en.wikipedia.org/wiki/IND_Fulton_Street_Line" } ] }, "geometryRef": "nyc-IND Fulton Street Line", "id": "nyc-ind-fulton-street-line-19481128-3", "kind": "extension", "label": { "en": "Extension: Broadway Junction → Euclid Avenue (Pennsylvania/Pitkin Avenues)" }, "notes": "Added four stations: Liberty Avenue, Van Siclen Avenue, Shepherd Avenue, and Euclid Avenue. (Grant Avenue, though sometimes grouped with this segment, did not open until 1956 — see next phase.) The $46.5M figure is described as approximate ('about'), so flagged as an estimate. [Opening-date chase 2026-06-13] Stations opened to the public early morning Nov 28, 1948 after all-night test ('dry') runs — the 'dry runs' headline confirms Nov 28 as the public revenue-service date, not a test-only opening.", "opened": "1948-11-28", "segment": { "fromStopIndex": 11, "toStopIndex": 15 }, "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260611124552/https://en.wikipedia.org/wiki/IND_Fulton_Street_Line", "kind": "wikipedia", "quote": "The extension of the Fulton Street Line...was placed in operation on November 28, 1948, running along Pennsylvania Avenue and Pitkin Avenue to Euclid Avenue...The cost of the extension was about $46.5 million.", "tier": "tertiary", "title": "IND Fulton Street Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IND_Fulton_Street_Line" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20260412171755/https://www.newspapers.com/image/52882609/?terms=euclid%2Bpitkin%2Bsubway", "kind": "news", "publisher": "Brooklyn Daily Eagle", "quote": "[November 29, 1948 — day-after report on the November 28, 1948 opening of the extension to Euclid Avenue]", "tier": "secondary", "title": "Trains Roll on $47,000,000 Fulton St. Subway Extension", "url": "https://www.newspapers.com/image/52882609/?terms=euclid%2Bpitkin%2Bsubway", "via": "https://en.wikipedia.org/wiki/IND_Fulton_Street_Line" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20260517010114/https://www.newspapers.com/image/52881207/?terms=euclid%2Bpitkin%2Bsubway", "kind": "news", "publisher": "Brooklyn Daily Eagle", "quote": "Fulton Subway Stations Open After All-Night 'Dry Runs' [dated November 28, 1948 — same-day reporting on the opening; title confirms stations opened to public on November 28 after overnight test runs]", "tier": "secondary", "title": "Fulton Subway Stations Open After All-Night 'Dry Runs'", "url": "https://www.newspapers.com/image/52881207/?terms=euclid%2Bpitkin%2Bsubway", "via": "https://en.wikipedia.org/wiki/IND_Fulton_Street_Line" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20260613163210/https://timesmachine.nytimes.com/timesmachine/1948/11/29/118517850.html?pdf_redirect=true&site=false", "kind": "news", "publisher": "The New York Times", "quote": "[November 29, 1948 — reports on the prior day's opening of 4 stations including Euclid Avenue on November 28, 1948]", "tier": "secondary", "title": "4 Stations Opened By IND in Brooklyn: Mayor and Officials Inspect Fulton St. Line Extension to New Euclid Ave. Stop", "url": "https://timesmachine.nytimes.com/timesmachine/1948/11/29/118517850.pdf", "via": "https://en.wikipedia.org/wiki/Euclid_Avenue_station_(IND_Fulton_Street_Line)" } ], "stationCount": 4 }, { "confidence": "medium", "cost": { "basis": "outturn", "confidence": "low", "nominal": { "currency": "USD", "isEstimate": false, "value": 10154702, "year": 1956 }, "notes": "Figure from the NY Times article headline 'First Leg of Rockaways Transit Opened at Cost of $10,154,702' (30 April 1956); covers the Grant Avenue station and the ramp/connection to the former BMT Fulton Street elevated. [Citation chase 2026-06-11] The $10,154,702 figure is traceable only to the title string of Wikipedia's NYT citation; it does not appear in the Wikipedia article prose, and the underlying NYT timesmachine PDF (30 Apr 1956) returns HTTP 403 (paywall) with no Wayback snapshot, so the cost cannot be independently verified from the primary source.", "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260611124552/https://en.wikipedia.org/wiki/IND_Fulton_Street_Line", "kind": "wikipedia", "quote": "First Leg of Rockaways Transit Opened at Cost of $10,154,702", "tier": "secondary", "title": "IND Fulton Street Line — Wikipedia (cites NYT 30 Apr 1956)", "url": "https://en.wikipedia.org/wiki/IND_Fulton_Street_Line" } ] }, "geometryRef": null, "id": "nyc-ind-fulton-street-line-19560429-4", "kind": "extension", "label": { "en": "Extension: Euclid Avenue → Grant Avenue + connection to BMT Fulton elevated (through service to Lefferts Boulevard)" }, "notes": "Grant Avenue opened 29 April 1956 as the sole new subway station. A ramp at Grant Avenue connected the IND subway to the former BMT Fulton Street elevated, enabling through A-train service to Ozone Park–Lefferts Boulevard (those Queens elevated stations had opened 25 September 1915 and were not newly built). Service to Lefferts Boulevard began roughly 2 May 1956, a few days after Grant Avenue opened. The $10,154,702 cost is from the contemporaneous NY Times report cited by Wikipedia. [Opening-date chase 2026-06-13] The BMT Fulton elevated connection was made by severing the old elevated link (Apr 26, 1956) and opening a ramp from the new underground Grant Avenue station to the elevated structure; through service to Lefferts Blvd began Apr 29, 1956.", "opened": "1956-04-29", "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260611124552/https://en.wikipedia.org/wiki/IND_Fulton_Street_Line", "kind": "wikipedia", "quote": "First Leg of Rockaways Transit Opened at Cost of $10,154,702", "tier": "secondary", "title": "IND Fulton Street Line — Wikipedia (cites NYT 30 Apr 1956)", "url": "https://en.wikipedia.org/wiki/IND_Fulton_Street_Line" }, { "accessedAt": "2026-06-13", "kind": "news", "publisher": "The New York Times", "quote": "[April 30, 1956 — day-after reporting on the April 29, 1956 opening of Grant Avenue station and service to Lefferts Boulevard; headline confirms the opening occurred]", "tier": "secondary", "title": "First Leg of Rockaways Transit Opened at Cost of $10,154,702", "url": "https://timesmachine.nytimes.com/timesmachine/1956/04/30/94293042.pdf", "via": "https://en.wikipedia.org/wiki/IND_Fulton_Street_Line" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20260613163115/https://timesmachine.nytimes.com/timesmachine/1956/06/28/84703811.pdf", "kind": "news", "publisher": "The New York Times", "quote": "[June 28, 1956 — reports on the IND Rockaway Line opening; provides corroborating context for the April 29, 1956 Grant Avenue/Lefferts Blvd opening as the prior 'first leg']", "tier": "secondary", "title": "Rockaway Trains to Operate Today", "url": "https://timesmachine.nytimes.com/timesmachine/1956/06/28/84703811.pdf", "via": "https://en.wikipedia.org/wiki/IND_Fulton_Street_Line" } ], "stationCount": 1 } ], "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260611124552/https://en.wikipedia.org/wiki/IND_Fulton_Street_Line", "kind": "wikipedia", "quote": "The line was opened from Jay Street to Rockaway Avenue on April 9, 1936, including the stub terminal at Court Street.", "tier": "tertiary", "title": "IND Fulton Street Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IND_Fulton_Street_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260611124617/https://en.wikipedia.org/wiki/New_York_Transit_Museum", "kind": "wikipedia", "quote": "On July 4, 1976, the New York City Transit Exhibit was opened in the decommissioned underground station as part of the United States Bicentennial celebration.", "tier": "tertiary", "title": "New York Transit Museum — Wikipedia", "url": "https://en.wikipedia.org/wiki/New_York_Transit_Museum" } ] }, { "cityId": "nyc", "color": "#FF6319", "displayNumber": "IND Culver Line", "id": "nyc-line-ind-culver-line", "name": { "en": "IND Culver Line" }, "phases": [ { "confidence": "high", "geometryRef": null, "id": "nyc-ind-culver-line-19330320-0", "kind": "initial", "label": { "en": "Stage 1 opens: Jay Street → Bergen Street (initial IND subway segment, Eighth Avenue 'A' express trains)" }, "notes": "[Opening-date chase 2026-06-13] Public revenue opening (not ceremonial): first express train for Manhattan left Bergen Street at 6:25 A.M. on March 20, 1933.", "opened": "1933-03-20", "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260601233721/https://en.wikipedia.org/wiki/IND_Culver_Line", "kind": "wikipedia", "quote": "The first short section of the line opened on March 20, 1933, taking Eighth Avenue Express A trains (and for about a month from July to August C trains) south from Jay Street to Bergen Street.", "tier": "tertiary", "title": "IND Culver Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IND_Culver_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260601185905/https://en.wikipedia.org/wiki/Bergen_Street_station_(IND_Culver_Line)", "kind": "wikipedia", "quote": "Bergen Street opened on March 20, 1933, as the first station of the IND Culver Line.", "tier": "tertiary", "title": "Bergen Street station (IND Culver Line) — Wikipedia", "url": "https://en.wikipedia.org/wiki/Bergen_Street_station_(IND_Culver_Line)" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20250601235006/https://www.nytimes.com/1933/03/21/archives/city-subway-adds-link-extension-to-bergensmith-street-station-in.html", "kind": "news", "publisher": "The New York Times", "quote": "Extension to Bergen-Smith Street Station in Brooklyn Opened. [title; article dated March 21, 1933 — day-after report of March 20 revenue opening]", "tier": "secondary", "title": "City Subway Adds Link; Extension to Bergen-Smith Street Station in Brooklyn Opened.", "url": "https://www.nytimes.com/1933/03/21/archives/city-subway-adds-link-extension-to-bergensmith-street-station-in.html", "via": "https://en.wikipedia.org/wiki/IND_Culver_Line" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20260511232442/https://bklyn.newspapers.com/image/59887096/?terms=%22bergen%22%2B%22independent%2Bsubway%22", "kind": "news", "publisher": "Brooklyn Daily Eagle", "quote": "City's Subway Open March 20 To Bergen St. [headline, advance notice article dated March 12, 1933, page 8]", "tier": "secondary", "title": "City's Subway Open March 20 To Bergen St.", "url": "https://bklyn.newspapers.com/image/59887096/?terms=%22bergen%22%2B%22independent%2Bsubway%22", "via": "https://en.wikipedia.org/wiki/IND_Culver_Line" } ], "stationCount": 1 }, { "confidence": "medium", "geometryRef": "nyc-IND Culver Line", "id": "nyc-ind-culver-line-19331007-1", "kind": "extension", "label": { "en": "Stage 2 opens: Bergen Street → Church Avenue (extension to 'temporary' Church Avenue terminal)" }, "opened": "1933-10-07", "segment": { "fromStopIndex": 0, "toStopIndex": 8 }, "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260601233721/https://en.wikipedia.org/wiki/IND_Culver_Line", "kind": "wikipedia", "quote": "The rest of the line opened on October 7, 1933, to the 'temporary' terminal at Church Avenue, three blocks away from the Culver elevated at Ditmas Avenue.", "tier": "tertiary", "title": "IND Culver Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IND_Culver_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260611124712/https://en.wikipedia.org/wiki/Church_Avenue_station_(IND_Culver_Line)", "kind": "wikipedia", "quote": "The Church Avenue station opened on October 7, 1933, as the new terminal of the Culver Line.", "tier": "tertiary", "title": "Church Avenue station (IND Culver Line) — Wikipedia", "url": "https://en.wikipedia.org/wiki/Church_Avenue_station_(IND_Culver_Line)" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20250528053051/https://www.nytimes.com/1933/10/07/archives/6000000-saving-planned-for-irt-drastic-economies-described-by.html", "kind": "news", "publisher": "The New York Times", "quote": "City Subway Extended [title of item dated October 7, 1933, page 16 — same-day (likely evening edition) report confirming October 7 revenue opening]", "tier": "secondary", "title": "City Subway Extended", "url": "https://www.nytimes.com/1933/10/07/archives/6000000-saving-planned-for-irt-drastic-economies-described-by.html", "via": "https://en.wikipedia.org/wiki/IND_Culver_Line" } ], "stationCount": 6 }, { "confidence": "medium", "geometryRef": null, "id": "nyc-ind-culver-line-19370701-2", "kind": "extension", "label": { "en": "IND Crosstown Line connection opens at Bergen Street (GG trains extended to Smith–Ninth Streets)" }, "opened": "1937-07-01", "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260601233721/https://en.wikipedia.org/wiki/IND_Culver_Line", "kind": "wikipedia", "quote": "On July 1, 1937, the connection to the IND Crosstown Line opened and GG trains were extended to Smith-Ninth Streets.", "tier": "tertiary", "title": "IND Culver Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IND_Culver_Line" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20260508023638/https://bklyn.newspapers.com/image/52688792/?terms=crosstown%2Bsubway", "kind": "news", "publisher": "Brooklyn Daily Eagle", "quote": "New Crosstown Subway Line Is Opened [headline, Brooklyn Daily Eagle, July 1, 1937 — same-day report of revenue service inauguration]", "tier": "secondary", "title": "New Crosstown Subway Line Is Opened", "url": "https://bklyn.newspapers.com/image/52688792/?terms=crosstown%2Bsubway", "via": "https://en.wikipedia.org/wiki/IND_Culver_Line" } ], "stationCount": 0 }, { "confidence": "high", "constructionStart": "1941", "cost": { "basis": "estimate", "confidence": "medium", "nominal": { "currency": "USD", "isEstimate": true, "value": 11000000, "year": 1954 }, "notes": "Estimated total project cost was 'over $11 million' — this covered not just the ramp (itself expected to cost ~$2 million) but new signals, rehabilitation of the Culver elevated, and lengthening of its stations to IND standards; not the ramp alone. Construction began June 1941, was halted that year due to WWII, and restarted in 1946 with material/rolling-stock delays. [Citation chase 2026-06-11] The \"over $11 million\" figure is a January 1941 contemporary estimate (Brooklyn Daily Eagle), so it is in ~1941 dollars rather than 1954 dollars; the three primary citations backing it (two paywalled newspapers.com scans and an offline Sparberg 2014 book page) could not be independently verified, so the figure currently rests on Wikipedia's restatement alone.", "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260601233721/https://en.wikipedia.org/wiki/IND_Culver_Line", "kind": "wikipedia", "quote": "On October 30, 1954, the connection between the IND Brooklyn Line at Church Avenue and the BMT Culver Line at Ditmas Avenue opened.", "tier": "tertiary", "title": "IND Culver Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IND_Culver_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260611124712/https://en.wikipedia.org/wiki/Church_Avenue_station_(IND_Culver_Line)", "kind": "wikipedia", "quote": "The ramp was expected to cost $2 million, and along with new signals, and rehabilitation of the Culver elevated and lengthening of its stations to IND standards, the total cost of the project was estimated at over $11 million.", "tier": "tertiary", "title": "Church Avenue station (IND Culver Line) — Wikipedia", "url": "https://en.wikipedia.org/wiki/Church_Avenue_station_(IND_Culver_Line)" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260601233721/https://en.wikipedia.org/wiki/IND_Culver_Line", "kind": "wikipedia", "quote": "Construction began in June 1941, and was expected to be completed by the end of the year. ... was halted later that year because of America's entrance into World War II. When the project was restarted in 1946, completion was delayed further due to continued material shortages.", "tier": "tertiary", "title": "IND Culver Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IND_Culver_Line" } ] }, "geometryRef": "nyc-IND Culver Line", "id": "nyc-ind-culver-line-19541030-3", "kind": "extension", "label": { "en": "Culver Ramp connection opens: Church Avenue (IND) → Ditmas Avenue (BMT Culver el), IND trains reach Coney Island–Stillwell Avenue" }, "notes": "[Date chase 2026-06-12] Primary source for the June 1941 construction start is Brooklyn Daily Eagle, 'Vogel Lauds City for Speed In Starting Culver L Link', June 10, 1941 (newspapers.com, paywalled; archived copy also inaccessible). Ramp was halted by WWII later in 1941, restarted 1946, opened October 30, 1954. [Opening-date chase 2026-06-13] Culver Ramp opening on October 30, 1954 was both a ceremonial event (officials Klein and Guinan spoke; a NYCTA ceremony pass survives) and the revenue-service start on the same day.", "opened": "1954-10-30", "segment": { "fromStopIndex": 8, "toStopIndex": 19 }, "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260601233721/https://en.wikipedia.org/wiki/IND_Culver_Line", "kind": "wikipedia", "quote": "On October 30, 1954, the connection between the IND Brooklyn Line at Church Avenue and the BMT Culver Line at Ditmas Avenue opened.", "tier": "tertiary", "title": "IND Culver Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IND_Culver_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260611124712/https://en.wikipedia.org/wiki/Church_Avenue_station_(IND_Culver_Line)", "kind": "wikipedia", "quote": "The ramp was expected to cost $2 million, and along with new signals, and rehabilitation of the Culver elevated and lengthening of its stations to IND standards, the total cost of the project was estimated at over $11 million.", "tier": "tertiary", "title": "Church Avenue station (IND Culver Line) — Wikipedia", "url": "https://en.wikipedia.org/wiki/Church_Avenue_station_(IND_Culver_Line)" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260601233721/https://en.wikipedia.org/wiki/IND_Culver_Line", "kind": "wikipedia", "quote": "Construction began in June 1941, and was expected to be completed by the end of the year. ... was halted later that year because of America's entrance into World War II. When the project was restarted in 1946, completion was delayed further due to continued material shortages.", "tier": "tertiary", "title": "IND Culver Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IND_Culver_Line" }, { "accessedAt": "2026-06-12", "archivedUrl": "https://web.archive.org/web/20260508004006/https://www.newspapers.com/image/53520778/?terms=culver%2Bramp%2Bsubway", "kind": "news", "publisher": "Brooklyn Daily Eagle", "quote": "Construction began in June 1941 [per Wikipedia's direct quotation of this source]", "tier": "primary", "title": "Vogel Lauds City for Speed In Starting Culver 'L' Link", "url": "https://www.newspapers.com/image/53520778/?terms=culver%2Bramp%2Bsubway", "via": "https://en.wikipedia.org/wiki/IND_Culver_Line" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20241127222706/https://www.nytimes.com/1954/10/31/archives/bronxconey-line-is-opened-by-ind-crews-rush-work-to-finish-in-rain.html", "kind": "news", "publisher": "The New York Times", "quote": "Bronx-Coney Line is Opened by IND; Crews Rush Work to Finish in Rain – Klein and Guinan Speak at Ceremony [NYT October 31, 1954, page 72 — next-day report of the October 30 revenue/ceremony opening]", "tier": "secondary", "title": "Bronx-Coney Line is Opened by IND; Crews Rush Work to Finish in Rain – Klein and Guinan Speak at Ceremony", "url": "https://www.nytimes.com/1954/10/31/archives/bronxconey-line-is-opened-by-ind-crews-rush-work-to-finish-in-rain.html", "via": "https://en.wikipedia.org/wiki/IND_Culver_Line" }, { "accessedAt": "2026-06-13", "kind": "news", "publisher": "The New York Times", "quote": "Adequate Transit Promised For City [NYT October 29, 1954, page 25 — advance article; cited in Wikipedia as supporting the October 30 opening; does not itself confirm the exact opening date]", "tier": "secondary", "title": "Adequate Transit Promised For City", "url": "https://www.nytimes.com/1954/10/29/archives/adequate-transit-promised-for-city-authority-head-writes-mayor-and.html", "via": "https://en.wikipedia.org/wiki/IND_Culver_Line" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20260613163514/https://www.flickr.com/photos/127872292@N06/16964213100", "kind": "primary", "publisher": "Flickr (Union Turnpike user; item is a 1954 NYCTA pass)", "quote": "NYCTA Pass for Culver Line Ceremonies – 1954 [image of a 1954 ceremony pass; confirms a 1954 ceremony opening event but does not show the exact date]", "tier": "primary", "title": "Culver Line Ceremonies", "url": "https://www.flickr.com/photos/127872292@N06/16964213100", "via": "https://en.wikipedia.org/wiki/IND_Culver_Line" } ] } ], "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260601233721/https://en.wikipedia.org/wiki/IND_Culver_Line", "kind": "wikipedia", "quote": "The first short section of the line opened on March 20, 1933, taking Eighth Avenue Express A trains (and for about a month from July to August C trains) south from Jay Street to Bergen Street.", "tier": "tertiary", "title": "IND Culver Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/IND_Culver_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260611124712/https://en.wikipedia.org/wiki/Church_Avenue_station_(IND_Culver_Line)", "kind": "wikipedia", "quote": "The Church Avenue station opened on October 7, 1933, as the new terminal of the Culver Line.", "tier": "tertiary", "title": "Church Avenue station (IND Culver Line) — Wikipedia", "url": "https://en.wikipedia.org/wiki/Church_Avenue_station_(IND_Culver_Line)" } ] }, { "cityId": "nyc", "color": "#FCCC0A", "displayNumber": "BMT Broadway Line", "id": "nyc-line-bmt-broadway-line", "name": { "en": "BMT Broadway Line" }, "phases": [ { "confidence": "high", "constructionStart": "1912", "geometryRef": "nyc-BMT Broadway Line", "id": "nyc-bmt-broadway-line-19170904-0", "kind": "initial", "label": { "en": "Initial section opens: Canal Street → 14th Street–Union Square (Manhattan Bridge approach to Union Square)" }, "notes": "Opened at 2 P.M. with a PSC inspection train; public service began at 8 P.M. with trains leaving Union Square and Coney Island simultaneously. Segment ran from the north side of the Manhattan Bridge through Canal Street (express station) to 14th Street–Union Square. Construction was let in sections from 1912 (sections 1/1A in Lower Manhattan, section 2 Park Place–Walker, section 2A Walker–Howard, section 3 Howard–Houston, section 4 Houston–Union Square). Section contracts ranged roughly $0.9M–$3.7M each but no aggregate cost for this opening segment is stated, so cost omitted. [Date chase 2026-06-12] Earliest construction contract for the line (Route No. 5, Section 3, Howard St to Bleecker/Houston St, Underpinning & Foundation Co.) was executed January 19, 1912; the January 13, 1912 NYT article reports the contract award. Confirms 1912 construction start. [Opening-date chase 2026-06-13] September 4, 1917: ceremonial 8-car VIP train left Union Square at 2 PM; public revenue service opened at 8 PM the same day. Corroborated by Brooklyn Daily Eagle (Sep 4) and NYT (Sep 5).", "opened": "1917-09-04", "segment": { "fromStopIndex": 6, "toStopIndex": 9 }, "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260522002812/https://en.wikipedia.org/wiki/BMT_Broadway_Line", "kind": "wikipedia", "quote": "A short portion of the line, coming off the north side of the Manhattan Bridge through Canal Street to 14th Street–Union Square, opened on September 4, 1917, at 2 P.M.", "tier": "tertiary", "title": "BMT Broadway Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/BMT_Broadway_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260322165009/https://www.nycsubway.org/wiki/BMT_Broadway_Line", "kind": "other", "quote": "A short portion of the line...opened on September 4, 1917, at 2 P.M., with an eight car train carrying members of the Public Service Commission.", "tier": "secondary", "title": "BMT Broadway Line — nycsubway.org", "url": "https://www.nycsubway.org/wiki/BMT_Broadway_Line" }, { "accessedAt": "2026-06-12", "archivedUrl": "https://web.archive.org/web/20250223050601/https://www.nytimes.com/1912/07/28/archives/new-subway-work-now-going-a-year-about-fourfifths-of-the.html", "kind": "news", "publisher": "The New York Times", "quote": "New Subway Work Now Going a Year; About Four-fifths of the Broadway-Lexington Avenue Line Is Under Construction. [Title, dated July 28, 1912 — implies construction was ongoing by mid-1912, consistent with January 1912 contract start]", "tier": "secondary", "title": "New Subway Work Now Going a Year; About Four-fifths of the Broadway-Lexington Avenue Line Is Under Construction", "url": "https://www.nytimes.com/1912/07/28/archives/new-subway-work-now-going-a-year-about-fourfifths-of-the.html", "via": "https://en.wikipedia.org/wiki/BMT_Broadway_Line" }, { "accessedAt": "2026-06-12", "archivedUrl": "https://web.archive.org/web/20250223120443/https://www.nytimes.com/1912/01/13/archives/broadway-subway-contract-awarded-section-3-goes-to-underpinning.html", "kind": "news", "publisher": "The New York Times", "quote": "Broadway Subway Contract Awarded; Section 3 Goes to Underpinning & Foundation Co. If Board of Estimate Approves [January 13, 1912 — first construction contract for the line]", "tier": "secondary", "title": "Broadway Subway Contract Awarded; Section 3 Goes to Underpinning & Foundation Co. If Board of Estimate Approves", "url": "https://www.nytimes.com/1912/01/13/archives/broadway-subway-contract-awarded-section-3-goes-to-underpinning.html", "via": "https://en.wikipedia.org/wiki/BMT_Broadway_Line" }, { "accessedAt": "2026-06-13", "kind": "news", "publisher": "The Brooklyn Daily Eagle", "quote": "Broadway Subway Opened To Coney By Special Train [dateline September 4, 1917]", "tier": "secondary", "title": "Broadway Subway Opened To Coney By Special Train. Brooklynites Try New Manhattan Link From Canal St. to Union Square. Go Via Fourth Ave. Tube", "url": "https://www.newspapers.com/clip/2708189/the_brooklyn_daily_eagle/", "via": "https://en.wikipedia.org/wiki/BMT_Broadway_Line" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20251006002918/https://www.nytimes.com/1917/09/05/archives/open-first-section-of-broadway-line-train-carrying-1000-passengers.html", "kind": "news", "publisher": "The New York Times", "quote": "Open First Section of Broadway Line; Train Carrying 1,000 Passengers Runs from Fourteenth Street to Coney Island. Regular Service Begins. [dated September 5, 1917, reporting on opening the prior day]", "tier": "secondary", "title": "Open First Section of Broadway Line; Train Carrying 1,000 Passengers Runs from Fourteenth Street to Coney Island", "url": "https://www.nytimes.com/1917/09/05/archives/open-first-section-of-broadway-line-train-carrying-1000-passengers.html", "via": "https://en.wikipedia.org/wiki/BMT_Broadway_Line" } ] }, { "confidence": "high", "geometryRef": "nyc-BMT Broadway Line", "id": "nyc-bmt-broadway-line-19180105-1", "kind": "extension", "label": { "en": "Extension north to Times Square–42nd Street and south to Rector Street" }, "notes": "Extended north from 14th Street–Union Square to Times Square–42nd Street (adding 23rd, 28th, 34th–Herald Square, Times Square–42nd) and south to Rector Street (adding Canal Street local, City Hall, Cortlandt Street, Rector Street). Express service began on the line. Per-station articles confirm Rector, City Hall, 23rd and 28th Streets opened this date. Station count not given as a single figure in the line article; new stations ~8 by segment enumeration but left unstated to avoid overcount of the line/local distinction. [Opening-date chase 2026-06-13] January 5, 1918 opening confirmed by both terminus station articles and the next-day NYT report; Rector Street opened to the public at noon.", "opened": "1918-01-05", "segment": { "fromStopIndex": 2, "toStopIndex": 12 }, "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260522002812/https://en.wikipedia.org/wiki/BMT_Broadway_Line", "kind": "wikipedia", "quote": "On January 5, 1918, the line was extended north to Times Square–42nd Street and south to Rector Street.", "tier": "tertiary", "title": "BMT Broadway Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/BMT_Broadway_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260324000418/https://en.wikipedia.org/wiki/Rector_Street_station_(BMT_Broadway_Line)", "kind": "wikipedia", "quote": "Rector Street station opened to the public on January 5, 1918, at noon, serving as the southern terminus of the BMT Broadway Line extension", "tier": "tertiary", "title": "Rector Street station (BMT Broadway Line) — Wikipedia", "url": "https://en.wikipedia.org/wiki/Rector_Street_station_(BMT_Broadway_Line)" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20210831204326/https://timesmachine.nytimes.com/timesmachine/1918/01/06/102652686.pdf", "kind": "news", "publisher": "The New York Times", "quote": "Open New Subway To Times Square; Brooklyn Directly Connected with Wholesale and Shopping Districts of New York. Nickel Zone Is Extended. First Train in Broadway Tube Makes Run from Rector Street in 17 Minutes. [dated January 6, 1918, reporting on the January 5 opening]", "tier": "secondary", "title": "Open New Subway To Times Square; Brooklyn Directly Connected with Wholesale and Shopping Districts of New York", "url": "https://timesmachine.nytimes.com/timesmachine/1918/01/06/102652686.pdf", "via": "https://en.wikipedia.org/wiki/BMT_Broadway_Line" } ] }, { "confidence": "high", "geometryRef": "nyc-BMT Broadway Line", "id": "nyc-bmt-broadway-line-19180920-2", "kind": "extension", "label": { "en": "Extension south one station to Whitehall Street–South Ferry" }, "notes": "Service extended one station south from Rector Street to Whitehall Street–South Ferry. [Opening-date chase 2026-06-13] September 20, 1918 corroborated by the Whitehall Street station article and the NY State PSC 1918 annual report (primary source cited by Wikipedia).", "opened": "1918-09-20", "segment": { "fromStopIndex": 12, "toStopIndex": 13 }, "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260522002812/https://en.wikipedia.org/wiki/BMT_Broadway_Line", "kind": "wikipedia", "quote": "Service was extended one station to Whitehall Street–South Ferry on September 20, 1918.", "tier": "tertiary", "title": "BMT Broadway Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/BMT_Broadway_Line" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20251002004905/https://books.google.com/books?id=sXhCAQAAMAAJ", "kind": "primary", "publisher": "New York State Public Service Commission / J.B. Lyon Company", "quote": "[Cited by Wikipedia as primary source for September 20, 1918 opening date; full text not accessible via Google Books preview]", "tier": "primary", "title": "Report of the Public Service Commission for the First District of the State of New York [for year ending Dec 31, 1918]", "url": "https://books.google.com/books?id=sXhCAQAAMAAJ", "via": "https://en.wikipedia.org/wiki/BMT_Broadway_Line" } ], "stationCount": 1 }, { "confidence": "high", "geometryRef": "nyc-BMT Broadway Line", "id": "nyc-bmt-broadway-line-19190710-3", "kind": "extension", "label": { "en": "Extension north two stops to 57th Street–Seventh Avenue" }, "notes": "Extended two stops northward from Times Square–42nd Street to 57th Street (adding 49th Street and 57th Street). Express service between Times Square and Union Square also inaugurated this date. [Opening-date chase 2026-06-13] July 10, 1919: an earlier special officials' trip preceded the midnight first passenger run; express service Times Square–Union Square inaugurated same date.", "opened": "1919-07-10", "segment": { "fromStopIndex": 0, "toStopIndex": 2 }, "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260522002812/https://en.wikipedia.org/wiki/BMT_Broadway_Line", "kind": "wikipedia", "quote": "The line was extended two stops northward to 57th Street on July 10, 1919.", "tier": "tertiary", "title": "BMT Broadway Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/BMT_Broadway_Line" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20260613163430/https://timesmachine.nytimes.com/timesmachine/1919/07/10/112642412.pdf", "kind": "news", "publisher": "The New York Times", "quote": "Broadway End of Subway Opened; First Passenger Train Sent at Midnight Over Route from Times Square to 57th St. Earlier Special Trip. Party of Officials and Citizen Delegations Taken Over New Tracks and to Coney Island. [dated July 10, 1919]", "tier": "secondary", "title": "Broadway End of Subway Opened; First Passenger Train Sent at Midnight Over Route from Times Square to 57th St.", "url": "https://timesmachine.nytimes.com/timesmachine/1919/07/10/112642412.pdf", "via": "https://en.wikipedia.org/wiki/BMT_Broadway_Line" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20251104011713/https://books.google.com/books?pg=PA130&id=AINOAQAAMAAJ", "kind": "primary", "publisher": "New York State Public Service Commission", "quote": "[Cited by Wikipedia as primary source for July 10, 1919 extension; full text not accessible via Google Books preview]", "tier": "primary", "title": "Report of the Public Service Commission For The First District Of The State of New York For The Year Ending December 31, 1919", "url": "https://books.google.com/books?id=AINOAQAAMAAJ&pg=PA130", "via": "https://en.wikipedia.org/wiki/BMT_Broadway_Line" } ], "stationCount": 2 }, { "confidence": "high", "geometryRef": null, "id": "nyc-bmt-broadway-line-19190901-4", "kind": "extension", "label": { "en": "Extension to Lexington Avenue/59th Street" }, "notes": "Extended from 57th Street to Lexington Avenue/59th Street (on the 60th Street Tunnel approach). [Opening-date chase 2026-06-13] September 1, 1919 confirmed by the NYT Aug 31 preview ('...Tomorrow'), the Lexington Av/59th St station article, and the PSC 1920 annual report.", "opened": "1919-09-01", "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260522002812/https://en.wikipedia.org/wiki/BMT_Broadway_Line", "kind": "wikipedia", "quote": "The line was extended to Lexington Avenue/59th Street on September 1, 1919.", "tier": "tertiary", "title": "BMT Broadway Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/BMT_Broadway_Line" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20250904195955/https://www.nytimes.com/1919/08/31/archives/subway-to-open-two-new-stations-broadway-line-of-brt-will-extend-to.html", "kind": "news", "publisher": "The New York Times", "quote": "Subway To Open Two New Stations; Broadway Line of B.R.T. Will Extend to Lexington Av. and 60th St. Tomorrow. An Entrance at Fifth Av. Central Manhattan to Have Direct Service to All Brooklyn and Coney Island. [dated August 31, 1919, confirming the September 1, 1919 opening]", "tier": "secondary", "title": "Subway To Open Two New Stations; Broadway Line of B.R.T. Will Extend to Lexington Av. and 60th St. Tomorrow", "url": "https://www.nytimes.com/1919/08/31/archives/subway-to-open-two-new-stations-broadway-line-of-brt-will-extend-to.html", "via": "https://en.wikipedia.org/wiki/BMT_Broadway_Line" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20251104011713/https://books.google.com/books?pg=PA130&id=AINOAQAAMAAJ", "kind": "primary", "publisher": "New York State Public Service Commission", "quote": "[Cited by Wikipedia as primary source for September 1, 1919 extension; full text not accessible via Google Books preview]", "tier": "primary", "title": "Report of the Public Service Commission For The First District Of The State of New York For The Year Ending December 31, 1919", "url": "https://books.google.com/books?id=AINOAQAAMAAJ&pg=PA130", "via": "https://en.wikipedia.org/wiki/BMT_Broadway_Line" } ], "stationCount": 1 }, { "confidence": "high", "geometryRef": null, "id": "nyc-bmt-broadway-line-19200801-5", "kind": "extension", "label": { "en": "Both ends extended via East River tunnels: 60th Street Tunnel to Queensboro Plaza (north) and Montague Street Tunnel to DeKalb Avenue (south)" }, "notes": "Two East River tunnels opened simultaneously: northward through the 60th Street Tunnel to Queensboro Plaza (Queens), and southward through the Montague Street Tunnel to DeKalb Avenue (Brooklyn), with service continuing via the BMT Brighton Line. This completed the through Broadway Line trunk. Station count not stated as a single figure; the new through-running stations are Queensboro Plaza and the Court Street/DeKalb connection, but precise new-station count left unstated to avoid double-counting shared/transfer stations. [Opening-date chase 2026-06-13] August 1, 1920: revenue service began ~2 AM on a holiday schedule via both the 60th Street and Montague Street tunnels; regular weekday service began the next day (Aug 2). Curated revenue-service date is correct.", "opened": "1920-08-01", "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260522002812/https://en.wikipedia.org/wiki/BMT_Broadway_Line", "kind": "wikipedia", "quote": "On August 1, 1920, the Broadway Line was extended on either end, with the opening of two tunnels under the East River. On the north end the line was extended through the 60th Street Tunnel to Queensboro Plaza, and on the south end the line was extended through the Montague Street Tunnel to DeKalb Avenue.", "tier": "tertiary", "title": "BMT Broadway Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/BMT_Broadway_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260322165009/https://www.nycsubway.org/wiki/BMT_Broadway_Line", "kind": "other", "quote": "On August 1, 1920, the Broadway Line was extended on either end, with the opening of two tunnels under the East River.", "tier": "secondary", "title": "BMT Broadway Line — nycsubway.org", "url": "https://www.nycsubway.org/wiki/BMT_Broadway_Line" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20230112185712/https://timesmachine.nytimes.com/timesmachine/1920/08/02/102879419.pdf", "kind": "news", "publisher": "The New York Times", "quote": "New B.R.T. Lines Open.; Broadway-Brighton Trains, on Holiday Schedule, Have Light Traffic. [dated August 2, 1920, reporting on August 1 opening]", "tier": "secondary", "title": "New B.R.T. Lines Open.; Broadway-Brighton Trains, on Holiday Schedule, Have Light Traffic", "url": "https://timesmachine.nytimes.com/timesmachine/1920/08/02/102879419.pdf", "via": "https://en.wikipedia.org/wiki/BMT_Broadway_Line" } ] } ], "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260522002812/https://en.wikipedia.org/wiki/BMT_Broadway_Line", "kind": "wikipedia", "quote": "A short portion of the line, coming off the north side of the Manhattan Bridge through Canal Street to 14th Street–Union Square, opened on September 4, 1917, at 2 P.M.", "tier": "tertiary", "title": "BMT Broadway Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/BMT_Broadway_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260322165009/https://www.nycsubway.org/wiki/BMT_Broadway_Line", "kind": "other", "quote": "A short portion of the line...opened on September 4, 1917, at 2 P.M., with an eight car train carrying members of the Public Service Commission.", "tier": "secondary", "title": "BMT Broadway Line — nycsubway.org", "url": "https://www.nycsubway.org/wiki/BMT_Broadway_Line" } ] }, { "cityId": "nyc", "color": "#FCCC0A", "displayNumber": "BMT Astoria Line", "id": "nyc-line-bmt-astoria-line", "name": { "en": "BMT Astoria Line" }, "phases": [ { "confidence": "medium", "constructionStart": "1915", "cost": { "basis": "budget", "confidence": "low", "nominal": { "currency": "USD", "isEstimate": false, "value": 884859, "year": 1916 }, "notes": "This figure ($884,859, Snare & Triest Construction Co.) is for the Queensboro Plaza interchange station ONLY, which is SHARED with the IRT Flushing Line — not the cost of the whole Astoria elevated line. No separate full-line construction cost was found in the consulted sources. [Citation chase 2026-06-11] The $884,859 figure is the Snare & Triest contract award price (New-York Tribune, Sept 5, 1915) — a contracted/budget amount, not a verified final outturn — resting on a single paywalled newspaper source (ProQuest 575492081) relayed via the Queensboro Plaza Wikipedia article, with no independent corroboration. The underlying cost year is 1915 (contract award), not 1916.", "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260508004005/https://en.wikipedia.org/wiki/BMT_Astoria_Line", "kind": "wikipedia", "quote": "The whole line north of Queensboro Plaza opened on February 1, 1917 and was used by trains between Grand Central and Astoria.", "tier": "tertiary", "title": "BMT Astoria Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/BMT_Astoria_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260604083659/https://en.wikipedia.org/wiki/Astoria%E2%80%93Ditmars_Boulevard_station", "kind": "wikipedia", "quote": "This station opened on February 1, 1917, along with the rest of the Astoria Line.", "tier": "tertiary", "title": "Astoria–Ditmars Boulevard station — Wikipedia", "url": "https://en.wikipedia.org/wiki/Astoria%E2%80%93Ditmars_Boulevard_station" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260601184120/https://en.wikipedia.org/wiki/Queensboro_Plaza_station", "kind": "wikipedia", "quote": "The northern half of the station opened on February 1, 1917 ... The Snare & Triest Construction Company ... construction costs totaling $884,859.", "tier": "tertiary", "title": "Queensboro Plaza station — Wikipedia", "url": "https://en.wikipedia.org/wiki/Queensboro_Plaza_station" } ] }, "geometryRef": "nyc-BMT Astoria Line", "id": "nyc-bmt-astoria-line-19170201-0", "kind": "initial", "label": { "en": "Line opens: Queensboro Plaza → Astoria (Ditmars) – entire Astoria elevated, joint IRT/BRT operation" }, "notes": "Construction-start corrected 1916→1915 [Date chase 2026-06-12 — panel-confirmed, corrected w/ sign-off] [Date chase 2026-06-12] constructionStart '1916' unsupported by all phase sources (opening-only) and contradicted by external evidence: Queensboro Plaza station was ~75% complete by Sep 5, 1915 (New-York Tribune, paywalled, cited via Queensboro Plaza Wikipedia), so construction began no later than 1915 and likely 1913-1914 following the Dual Contracts (signed Mar 19, 1913). Proposed year 1915 is the conservative, directly-evidenced floor; true start is probably 1913-1914. [Opening-date chase 2026-06-13] Feb 1, 1917 is a revenue/public-service opening per the Brooklyn Daily Eagle primary source; uncited nycsubway.org station-level dates conflict but are unsourced and likely a database error confusing Phase 1 with Phase 2.", "opened": "1917-02-01", "segment": { "fromStopIndex": 0, "toStopIndex": 9 }, "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260508004005/https://en.wikipedia.org/wiki/BMT_Astoria_Line", "kind": "wikipedia", "quote": "The whole line north of Queensboro Plaza opened on February 1, 1917 and was used by trains between Grand Central and Astoria.", "tier": "tertiary", "title": "BMT Astoria Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/BMT_Astoria_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260604083659/https://en.wikipedia.org/wiki/Astoria%E2%80%93Ditmars_Boulevard_station", "kind": "wikipedia", "quote": "This station opened on February 1, 1917, along with the rest of the Astoria Line.", "tier": "tertiary", "title": "Astoria–Ditmars Boulevard station — Wikipedia", "url": "https://en.wikipedia.org/wiki/Astoria%E2%80%93Ditmars_Boulevard_station" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260601184120/https://en.wikipedia.org/wiki/Queensboro_Plaza_station", "kind": "wikipedia", "quote": "The northern half of the station opened on February 1, 1917 ... The Snare & Triest Construction Company ... construction costs totaling $884,859.", "tier": "tertiary", "title": "Queensboro Plaza station — Wikipedia", "url": "https://en.wikipedia.org/wiki/Queensboro_Plaza_station" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20260305193006/https://bklyn.newspapers.com/image/54438288/", "kind": "news", "publisher": "Brooklyn Daily Eagle", "quote": "First Train Runs On Elevated Line to Astoria Section [headline, dated February 1, 1917]", "tier": "secondary", "title": "First Train Runs On Elevated Line to Astoria Section", "url": "https://bklyn.newspapers.com/image/54438288/", "via": "https://en.wikipedia.org/wiki/BMT_Astoria_Line" } ], "stationCount": 7 }, { "confidence": "medium", "geometryRef": null, "id": "nyc-bmt-astoria-line-19170421-1", "kind": "extension", "label": { "en": "Through IRT service to the Corona (Flushing) Line begins from Queensboro Plaza" }, "notes": "[Opening-date chase 2026-06-13] This is a through-service extension event (IRT service to the Corona/Flushing Line), not a new physical-infrastructure opening; NYT headline confirms it was 'Opened to the Public.'", "opened": "1917-04-21", "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260508004005/https://en.wikipedia.org/wiki/BMT_Astoria_Line", "kind": "wikipedia", "quote": "Through IRT service to the Corona Line (now the Flushing Line) began two months later on April 21.", "tier": "tertiary", "title": "BMT Astoria Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/BMT_Astoria_Line" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20231223113022/https://timesmachine.nytimes.com/timesmachine/1917/04/22/102336714.pdf", "kind": "news", "publisher": "The New York Times", "quote": "Transit Service on Corona Extension of Dual Subway System Opened to the Public [headline, April 22, 1917, reporting on April 21 opening]", "tier": "secondary", "title": "Transit Service on Corona Extension of Dual Subway System Opened to the Public", "url": "https://timesmachine.nytimes.com/timesmachine/1917/04/22/102336714.pdf", "via": "https://en.wikipedia.org/wiki/IRT_Flushing_Line" } ] }, { "confidence": "medium", "geometryRef": null, "id": "nyc-bmt-astoria-line-19200801-2", "kind": "extension", "label": { "en": "60th Street Tunnel opens, allowing BMT trains to reach Queensboro Plaza and the Astoria Line" }, "notes": "[Opening-date chase 2026-06-13] Revenue-service opening (2 a.m., holiday schedule) per NYT and the 60th Street Tunnel article.", "opened": "1920-08-01", "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260508004005/https://en.wikipedia.org/wiki/BMT_Astoria_Line", "kind": "wikipedia", "quote": "The 60th Street Tunnel opened on August 1, 1920, allowing BMT trains to reach Queensboro Plaza.", "tier": "tertiary", "title": "BMT Astoria Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/BMT_Astoria_Line" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20250904203746/https://www.nytimes.com/1920/08/01/archives/new-subway-link-opens-service-started-through-queens-and-montague.html", "kind": "news", "publisher": "The New York Times", "quote": "New Subway Link Opens [headline, August 1, 1920]", "tier": "secondary", "title": "New Subway Link Opens; Service Started Through Queens and Montague Street Tubes", "url": "https://www.nytimes.com/1920/08/01/archives/new-subway-link-opens-service-started-through-queens-and-montague.html", "via": "https://en.wikipedia.org/wiki/BMT_Astoria_Line" } ] }, { "confidence": "medium", "geometryRef": null, "id": "nyc-bmt-astoria-line-19230408-3", "kind": "extension", "label": { "en": "BMT begins elevated shuttle service over the Astoria Line (later numbered BMT 8 in 1924)" }, "notes": "[Opening-date chase 2026-06-13] Revenue-service start of BMT elevated shuttle (later numbered BMT 8 in 1924), not a test or ceremonial run.", "opened": "1923-04-08", "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260508004005/https://en.wikipedia.org/wiki/BMT_Astoria_Line", "kind": "wikipedia", "quote": "On April 8, 1923, the BMT, using elevated cars, started running shuttles along the Astoria (numbered BMT 8 in 1924) and Corona Lines.", "tier": "tertiary", "title": "BMT Astoria Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/BMT_Astoria_Line" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20250916150954/https://www.nytimes.com/1923/04/08/archives/hylan-tells-how-he-would-relieve-subways-in-60-days-start-and-quit.html", "kind": "news", "publisher": "The New York Times", "quote": "Additional Subway Service to Borough of Queens [headline, April 8, 1923]", "tier": "secondary", "title": "Additional Subway Service to Borough of Queens", "url": "https://www.nytimes.com/1923/04/08/archives/hylan-tells-how-he-would-relieve-subways-in-60-days-start-and-quit.html", "via": "https://en.wikipedia.org/wiki/BMT_Astoria_Line" } ] }, { "confidence": "medium", "geometryRef": null, "id": "nyc-bmt-astoria-line-19491017-4", "kind": "renumber", "label": { "en": "Joint operation ends; platforms shaved back so full-length BMT trains can run the Astoria Line (Flushing Line becomes IRT-only)" }, "notes": "[Opening-date chase 2026-06-13] NYT source is a pre-announcement (Oct 15) of the Oct 17 change; through service to Times Square had been discontinued earlier on July 24, 1949 (NY Daily News).", "opened": "1949-10-17", "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260508004005/https://en.wikipedia.org/wiki/BMT_Astoria_Line", "kind": "wikipedia", "quote": "On October 17, 1949, the Flushing Line became IRT-only. The platforms on the Astoria Line were shaved back to allow through BMT trains to operate on it.", "tier": "tertiary", "title": "BMT Astoria Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/BMT_Astoria_Line" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20260613163502/https://timesmachine.nytimes.com/timesmachine/1949/10/15/96475230.html?pdf_redirect=true&site=false", "kind": "news", "publisher": "The New York Times", "quote": "Direct Subway Runs to Flushing, Astoria [headline, October 15, 1949 — published 2 days before the October 17 service change, announcing what was to occur]", "tier": "secondary", "title": "Direct Subway Runs to Flushing, Astoria", "url": "https://timesmachine.nytimes.com/timesmachine/1949/10/15/96475230.pdf", "via": "https://en.wikipedia.org/wiki/BMT_Astoria_Line" } ] }, { "confidence": "low", "cost": { "basis": "outturn", "confidence": "medium", "nominal": { "currency": "USD", "isEstimate": false, "value": 863000, "year": 1950 }, "notes": "Cost of the 1950 platform-lengthening project (610 ft / 190 m to accommodate ten-car 60-foot trains); not a line-construction cost. [Citation chase 2026-06-11] The $863,000 figure is currently verifiable only via Wikipedia; the two underlying 1950 primary sources (GCA Bulletin Vol. 41 p. 23; NYC Board of Transportation Proceedings Vol. 67) are accessible only as paywalled Google Books metadata and could not be independently confirmed. Note also the cost sentence has no dedicated inline ref in the article.", "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260508004005/https://en.wikipedia.org/wiki/BMT_Astoria_Line", "kind": "wikipedia", "quote": "The platforms at the seven stations on the Astoria Line were lengthened to 610 feet (190 m) to accommodate ten-car (60 foot) trains in 1950. The project cost $863,000.", "tier": "tertiary", "title": "BMT Astoria Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/BMT_Astoria_Line" } ] }, "geometryRef": null, "id": "nyc-bmt-astoria-line-1950-5", "kind": "extension", "label": { "en": "Platform-lengthening modification: all seven Astoria Line station platforms extended to 610 ft for ten-car trains" }, "notes": "[Opening-date chase 2026-06-13] Year-only modification (platform lengthening to 610 ft for ten-car trains); Wikipedia cites two 1950 primary-era books that could not be directly accessed, so full verification remains partial.", "opened": "1950", "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260508004005/https://en.wikipedia.org/wiki/BMT_Astoria_Line", "kind": "wikipedia", "quote": "The platforms at the seven stations on the Astoria Line were lengthened to 610 feet (190 m) to accommodate ten-car (60 foot) trains in 1950. The project cost $863,000.", "tier": "tertiary", "title": "BMT Astoria Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/BMT_Astoria_Line" } ] } ], "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260508004005/https://en.wikipedia.org/wiki/BMT_Astoria_Line", "kind": "wikipedia", "quote": "The whole line north of Queensboro Plaza opened on February 1, 1917 and was used by trains between Grand Central and Astoria.", "tier": "tertiary", "title": "BMT Astoria Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/BMT_Astoria_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260604083659/https://en.wikipedia.org/wiki/Astoria%E2%80%93Ditmars_Boulevard_station", "kind": "wikipedia", "quote": "This station opened on February 1, 1917, along with the rest of the Astoria Line.", "tier": "tertiary", "title": "Astoria–Ditmars Boulevard station — Wikipedia", "url": "https://en.wikipedia.org/wiki/Astoria%E2%80%93Ditmars_Boulevard_station" } ] }, { "cityId": "nyc", "color": "#FCCC0A", "displayNumber": "BMT Fourth Avenue Line", "id": "nyc-line-bmt-fourth-avenue-line", "name": { "en": "BMT Fourth Avenue Line" }, "phases": [ { "confidence": "medium", "constructionStart": "1909", "cost": { "basis": "outturn", "confidence": "low", "nominal": { "currency": "USD", "isEstimate": true, "value": 30000000, "year": 1915 }, "notes": "Wikipedia states 'about $30 million' for the initial portion of the line — an approximate figure, not a precise outturn. Covers the original DeKalb Avenue–59th Street trunk. [Citation chase 2026-06-11] The figure traces to a single Wikipedia statement whose sole citation is the NY State PSC pamphlet \"Fourth Avenue Subway, Brooklyn's New Transportation Line\" (published June 19, 1915, on the line's opening); that primary source is paywalled in Google Books preview and could not be verified verbatim, and no independent second source corroborates the $30M figure.", "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260609055255/https://en.wikipedia.org/wiki/BMT_Fourth_Avenue_Line", "kind": "wikipedia", "quote": "the opening was delayed a day to June 22, 1915, when the line opened from the Manhattan Bridge through to the Sea Beach Line.", "tier": "tertiary", "title": "BMT Fourth Avenue Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/BMT_Fourth_Avenue_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260609055255/https://en.wikipedia.org/wiki/BMT_Fourth_Avenue_Line", "kind": "wikipedia", "quote": "Groundbreaking for the first section of the subway, between DeKalb Avenue and 43rd Street (ending at 36th Street), took place on November 13, 1909.", "tier": "tertiary", "title": "BMT Fourth Avenue Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/BMT_Fourth_Avenue_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260609055255/https://en.wikipedia.org/wiki/BMT_Fourth_Avenue_Line", "kind": "wikipedia", "quote": "Construction on the initial portion of the line cost about $30 million.", "tier": "tertiary", "title": "BMT Fourth Avenue Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/BMT_Fourth_Avenue_Line" } ] }, "geometryRef": "nyc-BMT Fourth Avenue Line", "id": "nyc-bmt-fourth-avenue-line-19150622-0", "kind": "initial", "label": { "en": "Initial opening: Manhattan Bridge/DeKalb Avenue → 59th Street (via Sea Beach Line)" }, "notes": "Original 1915 stations opened on June 22 include DeKalb Avenue, Atlantic Avenue, Union Street, Ninth Street, Prospect Avenue, 25th Street, 36th Street, and 59th Street (8 stations). The 45th Street and 53rd Street stations, though physically complete, did not open with the rest because contractors were using them for hauling spoil; they opened separately on September 22, 1915 (captured as the next phase). [Date chase 2026-06-12] Underlying primary sources cited by Wikipedia (NYT 1909-11-14 'Fourth Ave. Subway Dirt Begins to Fly' via timesmachine, and Rogoff 1961 ERA bulletin via Google Drive) were inaccessible (paywall / dead link); year 1909 confirmed via the Wikipedia secondary-source text itself. [Opening-date chase 2026-06-13] Wikipedia distinguishes a June 15 test train and a June 19 ceremonial/official trip from the June 22 public revenue-service opening (delayed a day); the curated date is the revenue-service date.", "opened": "1915-06-22", "segment": { "fromStopIndex": 0, "toStopIndex": 12 }, "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260609055255/https://en.wikipedia.org/wiki/BMT_Fourth_Avenue_Line", "kind": "wikipedia", "quote": "the opening was delayed a day to June 22, 1915, when the line opened from the Manhattan Bridge through to the Sea Beach Line.", "tier": "tertiary", "title": "BMT Fourth Avenue Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/BMT_Fourth_Avenue_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260609055255/https://en.wikipedia.org/wiki/BMT_Fourth_Avenue_Line", "kind": "wikipedia", "quote": "Groundbreaking for the first section of the subway, between DeKalb Avenue and 43rd Street (ending at 36th Street), took place on November 13, 1909.", "tier": "tertiary", "title": "BMT Fourth Avenue Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/BMT_Fourth_Avenue_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260609055255/https://en.wikipedia.org/wiki/BMT_Fourth_Avenue_Line", "kind": "wikipedia", "quote": "Construction on the initial portion of the line cost about $30 million.", "tier": "tertiary", "title": "BMT Fourth Avenue Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/BMT_Fourth_Avenue_Line" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20260613162209/https://timesmachine.nytimes.com/timesmachine/1915/06/23/100163384.pdf", "kind": "news", "publisher": "The New York Times", "quote": "Referenced in Wikipedia as the source for the June 22, 1915 opening date (article published day after opening).", "tier": "secondary", "title": "Queensboro Tunnel Officially Opened (June 23, 1915) — The New York Times", "url": "https://timesmachine.nytimes.com/timesmachine/1915/06/23/100163384.pdf", "via": "https://en.wikipedia.org/wiki/BMT_Fourth_Avenue_Line" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20240703160701/https://timesmachine.nytimes.com/timesmachine/1915/06/20/104647917.pdf", "kind": "news", "publisher": "The New York Times", "quote": "Title confirms ceremonial opening June 19 ('Traffic Starts Tuesday' — i.e., June 22), corroborating the June 22 revenue-service date.", "tier": "secondary", "title": "New Subway Opens; Mayor Not Present (June 20, 1915) — The New York Times", "url": "https://timesmachine.nytimes.com/timesmachine/1915/06/20/104647917.pdf", "via": "https://en.wikipedia.org/wiki/BMT_Fourth_Avenue_Line" } ], "stationCount": 8 }, { "confidence": "medium", "geometryRef": null, "id": "nyc-bmt-fourth-avenue-line-19150922-1", "kind": "extension", "label": { "en": "45th Street and 53rd Street stations open (delayed infill on original segment)" }, "notes": "These two stations were structurally part of the original 1915 line but opened three months later than the June 22 service date because the contractor used them to haul out construction spoil. Treated as a distinct staged opening. [Opening-date chase 2026-06-13] 45th and 53rd Street stations were physically complete at the June 22 opening but held closed (a contractor used them to haul dirt) until opening on September 22, 1915 — a distinct delayed-infill event, not a partial-segment ambiguity.", "opened": "1915-09-22", "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260609055255/https://en.wikipedia.org/wiki/BMT_Fourth_Avenue_Line", "kind": "wikipedia", "quote": "The stations opened on September 22, 1915.", "tier": "tertiary", "title": "BMT Fourth Avenue Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/BMT_Fourth_Avenue_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20251220004518/https://en.wikipedia.org/wiki/45th_Street_station_(BMT_Fourth_Avenue_Line)", "kind": "wikipedia", "quote": "The 45th and 53rd Street stations opened on September 22, 1915.", "tier": "tertiary", "title": "45th Street station (BMT Fourth Avenue Line) — Wikipedia", "url": "https://en.wikipedia.org/wiki/45th_Street_station_(BMT_Fourth_Avenue_Line)" }, { "accessedAt": "2026-06-13", "kind": "news", "publisher": "Home Talk the Item", "quote": "Stations of Subway are Now Opened [September 22, 1915 — day of opening]", "tier": "secondary", "title": "Stations of Subway are Now Opened — Home Talk the Item", "url": "https://www.newspapers.com/clip/49708570/", "via": "https://en.wikipedia.org/wiki/BMT_Fourth_Avenue_Line" } ], "stationCount": 2 }, { "confidence": "high", "geometryRef": "nyc-BMT Fourth Avenue Line", "id": "nyc-bmt-fourth-avenue-line-19160115-2", "kind": "extension", "label": { "en": "Extension: 59th Street → 86th Street" }, "notes": "New stations added on this extension: Bay Ridge Avenue (69th St), 77th Street, and 86th Street (3 stations). [Opening-date chase 2026-06-13] Opening date is backed by a primary government record (NY State Senate Documents, 1917) plus a same-day Brooklyn Daily Eagle report.", "opened": "1916-01-15", "segment": { "fromStopIndex": 12, "toStopIndex": 15 }, "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260609055255/https://en.wikipedia.org/wiki/BMT_Fourth_Avenue_Line", "kind": "wikipedia", "quote": "The line opened from 59th Street to 86th Street on January 15, 1916.", "tier": "tertiary", "title": "BMT Fourth Avenue Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/BMT_Fourth_Avenue_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20251229131126/https://en.wikipedia.org/wiki/Bay_Ridge_Avenue_(BMT_Fourth_Avenue_Line)", "kind": "wikipedia", "quote": "Bay Ridge Avenue station ... opened on January 15, 1916.", "tier": "tertiary", "title": "Bay Ridge Avenue station — Wikipedia", "url": "https://en.wikipedia.org/wiki/Bay_Ridge_Avenue_(BMT_Fourth_Avenue_Line)" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20260613163612/https://books.google.com/books?id=rpglAQAAIAAJ&q=culver+line&pg=PA252#v=snippet&q=culver%20line&f=false", "kind": "primary", "publisher": "New York State Senate", "quote": "Government records (New York State Senate Documents, 1917) cited by Wikipedia as primary source for January 15, 1916 opening.", "tier": "primary", "title": "Documents of the Senate of the State of New York (1917)", "url": "https://books.google.com/books?id=rpglAQAAIAAJ&q=culver+line&pg=PA252", "via": "https://en.wikipedia.org/wiki/BMT_Fourth_Avenue_Line" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20260513003047/https://bklyn.newspapers.com/image/55570240/?terms=fourth+avenue+line+opening", "kind": "news", "publisher": "The Brooklyn Daily Eagle", "quote": "Subway Running To Eighty-Sixth Street Starts Building Boom In Bay Ridge [dated January 15, 1916 — day of opening]", "tier": "secondary", "title": "Subway Running To Eighty-Sixth Street Starts Building Boom In Bay Ridge — The Brooklyn Daily Eagle", "url": "http://bklyn.newspapers.com/image/55570240/?terms=fourth+avenue+line+opening", "via": "https://en.wikipedia.org/wiki/BMT_Fourth_Avenue_Line" } ], "stationCount": 3 }, { "confidence": "high", "constructionStart": "1923", "cost": { "basis": "budget", "confidence": "medium", "nominal": { "currency": "USD", "isEstimate": false, "value": 1500000, "year": 1923 }, "notes": "Contract 11B for the half-mile extension was awarded to the T. A. Gillespie Company for $1.5 million; this is the construction contract price (price level c.1923 when the contract was awarded), not a later outturn figure. [Citation chase 2026-06-11] The exact contract bid was $1,485,151 (Brooklyn Daily Eagle, \"$1,485,151 Bid Wins Contract To Build Ft. Hamilton Tube,\" Dec 28, 1922), which Wikipedia rounds to $1.5M. The NYT opening-day article (Nov 1, 1925) reports an actual outturn of $2,000,000 for the completed extension — higher than this contract-award figure.", "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260609055255/https://en.wikipedia.org/wiki/BMT_Fourth_Avenue_Line", "kind": "wikipedia", "quote": "The final extension to 95th Street, Route 18, opened on October 31, 1925.", "tier": "tertiary", "title": "BMT Fourth Avenue Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/BMT_Fourth_Avenue_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260609055255/https://en.wikipedia.org/wiki/BMT_Fourth_Avenue_Line", "kind": "wikipedia", "quote": "the Transit Commission announced that it had awarded the contract for the construction of a half-mile extension of the Fourth Avenue Line, Contract 11B, to T. A. Gillespie Company for $1.5 million.", "tier": "tertiary", "title": "BMT Fourth Avenue Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/BMT_Fourth_Avenue_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260609055255/https://en.wikipedia.org/wiki/BMT_Fourth_Avenue_Line", "kind": "wikipedia", "quote": "Construction began on December 17, 1923.", "tier": "tertiary", "title": "BMT Fourth Avenue Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/BMT_Fourth_Avenue_Line" }, { "accessedAt": "2026-06-11", "archivedUrl": "https://web.archive.org/web/20260513003031/https://bklyn.newspapers.com/image/60029896/?terms=Fourth+Avenue+Subway", "kind": "news", "publisher": "The Brooklyn Daily Eagle", "quote": "$1,485,151 Bid Wins Contract To Build Ft. Hamilton Tube", "tier": "secondary", "title": "$1,485,151 Bid Wins Contract To Build Ft. Hamilton Tube", "url": "https://bklyn.newspapers.com/image/60029896/?terms=Fourth+Avenue+Subway", "via": "https://en.wikipedia.org/wiki/BMT_Fourth_Avenue_Line" } ] }, "geometryRef": "nyc-BMT Fourth Avenue Line", "id": "nyc-bmt-fourth-avenue-line-19251031-3", "kind": "extension", "label": { "en": "Final extension: 86th Street → Bay Ridge–95th Street (Contract 11B / Route 18)" }, "notes": "Added the Bay Ridge–95th Street terminal (1 new station). Built as a two-track stub with provisions for a future extension toward Staten Island that was never built. Construction started December 17, 1923. [Date chase 2026-06-12] Wikipedia context: contract awarded Dec 28, 1922; original contractor withdrew Mar 7, 1923; Board of Estimate reapproved Nov 2, 1923; construction began Dec 17, 1923. Underlying NYT 1925 opening-day article and Rogoff 1961 ERA bulletin were inaccessible (paywall / dead link); year 1923 confirmed via the Wikipedia secondary-source text itself. [Opening-date chase 2026-06-13] Same-day Brooklyn Daily Eagle gives the precise first-train time (2 p.m. on October 31, 1925); next-day NYT confirms the opening.", "opened": "1925-10-31", "segment": { "fromStopIndex": 15, "toStopIndex": 16 }, "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260609055255/https://en.wikipedia.org/wiki/BMT_Fourth_Avenue_Line", "kind": "wikipedia", "quote": "The final extension to 95th Street, Route 18, opened on October 31, 1925.", "tier": "tertiary", "title": "BMT Fourth Avenue Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/BMT_Fourth_Avenue_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260609055255/https://en.wikipedia.org/wiki/BMT_Fourth_Avenue_Line", "kind": "wikipedia", "quote": "the Transit Commission announced that it had awarded the contract for the construction of a half-mile extension of the Fourth Avenue Line, Contract 11B, to T. A. Gillespie Company for $1.5 million.", "tier": "tertiary", "title": "BMT Fourth Avenue Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/BMT_Fourth_Avenue_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260609055255/https://en.wikipedia.org/wiki/BMT_Fourth_Avenue_Line", "kind": "wikipedia", "quote": "Construction began on December 17, 1923.", "tier": "tertiary", "title": "BMT Fourth Avenue Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/BMT_Fourth_Avenue_Line" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20260517010114/https://www.newspapers.com/image/59905307/?terms=95th+street+subway", "kind": "news", "publisher": "Brooklyn Daily Eagle", "quote": "95th St. Subway Extension Opened At 2 P. M. Today [October 31, 1925]", "tier": "secondary", "title": "95th St. Subway Extension Opened At 2 P. M. Today — Brooklyn Daily Eagle", "url": "https://www.newspapers.com/image/59905307/?terms=95th+street+subway", "via": "https://en.wikipedia.org/wiki/BMT_Fourth_Avenue_Line" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20250906213603/https://www.nytimes.com/1925/11/01/archives/open-subway-line-to-fort-hamilton-fourth-avenue-extension-put-in.html", "kind": "news", "publisher": "The New York Times", "quote": "Open Subway Line To Fort Hamilton; Fourth Avenue Extension Put in Service After Wait of Four Years. Half-Mile Cost $2,000,000 [published November 1, 1925, reporting on October 31, 1925 opening]", "tier": "secondary", "title": "Open Subway Line To Fort Hamilton; Fourth Avenue Extension Put in Service After Wait of Four Years — The New York Times", "url": "https://www.nytimes.com/1925/11/01/archives/open-subway-line-to-fort-hamilton-fourth-avenue-extension-put-in.html", "via": "https://en.wikipedia.org/wiki/BMT_Fourth_Avenue_Line" } ], "stationCount": 1 } ], "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260609055255/https://en.wikipedia.org/wiki/BMT_Fourth_Avenue_Line", "kind": "wikipedia", "quote": "the opening was delayed a day to June 22, 1915, when the line opened from the Manhattan Bridge through to the Sea Beach Line.", "tier": "tertiary", "title": "BMT Fourth Avenue Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/BMT_Fourth_Avenue_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20251220004518/https://en.wikipedia.org/wiki/45th_Street_station_(BMT_Fourth_Avenue_Line)", "kind": "wikipedia", "quote": "The 45th and 53rd Street stations opened on September 22, 1915.", "tier": "tertiary", "title": "45th Street station (BMT Fourth Avenue Line) — Wikipedia", "url": "https://en.wikipedia.org/wiki/45th_Street_station_(BMT_Fourth_Avenue_Line)" } ] }, { "cityId": "nyc", "color": "#996633", "displayNumber": "BMT Nassau Street Line", "id": "nyc-line-bmt-nassau-street-line", "name": { "en": "BMT Nassau Street Line" }, "phases": [ { "confidence": "high", "constructionStart": "1907", "geometryRef": null, "id": "nyc-bmt-nassau-street-line-19080916-0", "kind": "initial", "label": { "en": "Initial section opens: Williamsburg Bridge → Essex Street (Delancey Street subway)" }, "notes": "[Opening-date chase 2026-06-13] September 16, 1908 marked the start of through BRT subway service from the Williamsburg Bridge to Essex Street; the mayor drove a ceremonial train the same day the public service opened (NYT day-after report titled 'opening of the service'). An uncited nycsubway.org table lists July 4, 1908, likely a different surface/trolley event.", "opened": "1908-09-16", "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260411014651/https://en.wikipedia.org/wiki/BMT_Nassau_Street_Line", "kind": "wikipedia", "quote": "The BRT began operating through a short piece of subway, coming off the Williamsburg Bridge under Delancey Street to Essex Street, on September 16, 1908.", "tier": "tertiary", "title": "BMT Nassau Street Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/BMT_Nassau_Street_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260411014651/https://en.wikipedia.org/wiki/BMT_Nassau_Street_Line", "kind": "wikipedia", "quote": "Construction contracts for the main line in Manhattan were awarded in early 1907", "tier": "tertiary", "title": "BMT Nassau Street Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/BMT_Nassau_Street_Line" }, { "accessedAt": "2026-06-12", "archivedUrl": "https://web.archive.org/web/20241201190316/https://www.newspapers.com/article/new-york-tribune-bids-for-subway-loop/124798801/", "kind": "news", "publisher": "New-York Tribune", "quote": "Bids for Subway Loop [New-York Tribune, March 13, 1907, page 5 — cited in Wikipedia as sourcing 'The city began receiving bids for the sections under Centre Street in March 1907']", "tier": "primary", "title": "Bids for Subway Loop", "url": "https://www.newspapers.com/article/new-york-tribune-bids-for-subway-loop/124798801/", "via": "https://en.wikipedia.org/wiki/BMT_Nassau_Street_Line" }, { "accessedAt": "2026-06-12", "archivedUrl": "https://web.archive.org/web/20250911213958/https://www.newspapers.com/article/the-brooklyn-citizen-expect-many-bidders/124798591/", "kind": "news", "publisher": "The Brooklyn Citizen", "quote": "Expect Many Bidders [The Brooklyn Citizen, March 23, 1907, page 12 — cited in Wikipedia alongside the March 1907 construction bid context]", "tier": "primary", "title": "Expect Many Bidders", "url": "https://www.newspapers.com/article/the-brooklyn-citizen-expect-many-bidders/124798591/", "via": "https://en.wikipedia.org/wiki/BMT_Nassau_Street_Line" }, { "accessedAt": "2026-06-12", "archivedUrl": "https://web.archive.org/web/20250916053304/https://books.google.com/books?id=ImLOAAAAMAAJ&pg=RA2-PA147-IA1", "kind": "primary", "publisher": "New York City Office of the Comptroller", "quote": "[Referenced in Wikipedia for the five-section division of construction contracts; Google Books preview did not render full text to extract a verbatim quote.]", "tier": "primary", "title": "Comptroller's Monthly Report, 1916", "url": "https://books.google.com/books?id=ImLOAAAAMAAJ&pg=RA2-PA147-IA1", "via": "https://en.wikipedia.org/wiki/BMT_Nassau_Street_Line" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20250116085800/https://www.nytimes.com/1908/09/17/archives/mayor-runs-a-train-over-new-bridge-brooklyn-celebrates-opening-of.html", "kind": "news", "publisher": "The New York Times", "quote": "[Day-after report on September 16, 1908 opening; title confirms 'opening of the service' on that date. Paywalled — could not access full text.]", "tier": "secondary", "title": "Mayor Runs a Train Over New Bridge; Brooklyn Celebrates Opening of the Service with Red Fire and Oratory", "url": "https://www.nytimes.com/1908/09/17/archives/mayor-runs-a-train-over-new-bridge-brooklyn-celebrates-opening-of.html", "via": "https://en.wikipedia.org/wiki/BMT_Nassau_Street_Line" } ], "stationCount": 1 }, { "confidence": "high", "geometryRef": "nyc-BMT Nassau Street Line", "id": "nyc-bmt-nassau-street-line-19130804-1", "kind": "extension", "label": { "en": "Centre Street Loop extension: Essex Street → Chambers Street (Bowery, Canal Street, Chambers Street)" }, "notes": "[Opening-date chase 2026-06-13] August 4, 1913 was true public revenue service: the NYT 'Passenger Killed On Loop's First Day' (Aug 5, 1913) reports a passenger fatality on the opening day, confirming public operation rather than a VIP-only ceremony. A PSC document expected service 'by August 1, 1913', a few days before the actual opening.", "opened": "1913-08-04", "segment": { "fromStopIndex": 2, "toStopIndex": 6 }, "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260411014651/https://en.wikipedia.org/wiki/BMT_Nassau_Street_Line", "kind": "wikipedia", "quote": "The Centre Street Loop was opened to Chambers Street on August 4, 1913, with temporary operation at first on the two west tracks.", "tier": "tertiary", "title": "BMT Nassau Street Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/BMT_Nassau_Street_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260411014651/https://en.wikipedia.org/wiki/BMT_Nassau_Street_Line", "kind": "wikipedia", "quote": "The BRT tunnel under Centre Street was completed by 1910, except for the section under the Municipal Building", "tier": "tertiary", "title": "BMT Nassau Street Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/BMT_Nassau_Street_Line" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20250908000853/https://www.nytimes.com/1913/08/05/archives/passenger-killed-on-loops-first-day-printer-impatient-at-delay-in.html", "kind": "news", "publisher": "The New York Times", "quote": "[August 5, 1913 day-after report — headline 'Loop's First Day' confirms August 4 as the public opening day. Paywalled — could not access full text.]", "tier": "secondary", "title": "Passenger Killed On Loop's First Day; Printer, Impatient at Delay in New Bridge Subway, Tries to Walk the Track", "url": "https://www.nytimes.com/1913/08/05/archives/passenger-killed-on-loops-first-day-printer-impatient-at-delay-in.html", "via": "https://en.wikipedia.org/wiki/BMT_Nassau_Street_Line" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20120805035236/http://www.nycsubway.org:80/articles/newsubways1.html", "kind": "primary", "publisher": "nycsubway.org (hosting PSC document)", "quote": "It is expected that this temporary operation will begin by August 1, 1913. [Written before the actual opening; the actual opening was August 4 — a 3-day slip from the expected date.]", "tier": "primary", "title": "New Subways For New York: The Dual System of Rapid Transit, Chapter 1 — Public Service Commission", "url": "http://www.nycsubway.org/articles/newsubways1.html", "via": "https://en.wikipedia.org/wiki/BMT_Nassau_Street_Line" } ], "stationCount": 3 }, { "confidence": "low", "geometryRef": null, "id": "nyc-bmt-nassau-street-line-19150622-2", "kind": "extension", "label": { "en": "Manhattan Bridge south tracks placed in service into Chambers Street" }, "notes": "[Opening-date chase 2026-06-13] The June 22, 1915 in-service date for the Manhattan Bridge south tracks rests on Wikipedia's citation to The City Record (Oct 15, 1915, p. 7827), an official NYC journal; the Google Books page text was not directly accessible. nycsubway.org corroborates 1915 as the year the Chambers Street connection to the Manhattan Bridge was established.", "opened": "1915-06-22", "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260411014651/https://en.wikipedia.org/wiki/BMT_Nassau_Street_Line", "kind": "wikipedia", "quote": "The south tracks on the Manhattan Bridge, also running into Chambers Street, were placed in service on June 22, 1915.", "tier": "tertiary", "title": "BMT Nassau Street Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/BMT_Nassau_Street_Line" } ] }, { "confidence": "medium", "constructionStart": "1928", "cost": { "basis": "outturn", "confidence": "high", "nominal": { "currency": "USD", "isEstimate": false, "value": 10072000, "year": 1931 }, "notes": "Total construction cost $10.072 million for 0.9 miles (1.4 km) of new tunnels. Split between two contracts awarded by the Board of Transportation in November 1927: Marcus Contracting Company built the portion north of Liberty Street (incl. Fulton Street station) for $4.7M; Moranti and Raymond built the southern portion for $5.7M. Contracts approved by the Board of Estimate in January 1928; construction by cut-and-cover. Figure is in late-1920s/1931 dollars. [Citation chase 2026-06-11] The $10.072M is the final as-built cost per the NYT (May 10, 1931); the initial two-contract award total in Nov 1927 was $10,458,034, so the project closed slightly under the contracted amount.", "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260411014651/https://en.wikipedia.org/wiki/BMT_Nassau_Street_Line", "kind": "wikipedia", "quote": "The Nassau Street Loop opened at 3 p.m. on May 29, 1931, when Mayor Jimmy Walker took the controls of a train of D-type Triplex cars from Chambers Street to Broad Street.", "tier": "tertiary", "title": "BMT Nassau Street Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/BMT_Nassau_Street_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260411014651/https://en.wikipedia.org/wiki/BMT_Nassau_Street_Line", "kind": "wikipedia", "quote": "The total construction cost was $10.072 million for 0.9 miles (1.4 km) of new tunnels.", "tier": "tertiary", "title": "BMT Nassau Street Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/BMT_Nassau_Street_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260411014651/https://en.wikipedia.org/wiki/BMT_Nassau_Street_Line", "kind": "wikipedia", "quote": "The Marcus Contracting Company was hired to build the portion north of Liberty Street, including the Fulton Street station, for $4.7 million, while Moranti and Raymond were hired to build the portion to the south for $5.7 million.", "tier": "tertiary", "title": "BMT Nassau Street Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/BMT_Nassau_Street_Line" }, { "accessedAt": "2026-06-11", "kind": "news", "publisher": "The New York Times", "quote": "Cost $10,072,000 To Build It", "tier": "secondary", "title": "Nassau St. Subway To Open On May 30; Its Construction an Engineering Feat Because Many Buildings Had to Be Underpinned. Cost $10,072,000 To Build It Will Link B.M.T.'s Centre Street Loop With Tunnel Under East River.", "url": "https://www.nytimes.com/1931/05/10/archives/nassau-st-subway-to-open-on-may-30-its-construction-an-engineering.html", "via": "https://en.wikipedia.org/wiki/BMT_Nassau_Street_Line" }, { "accessedAt": "2026-06-11", "archivedUrl": "https://web.archive.org/web/20241201184839/https://www.nytimes.com/1927/11/24/archives/awards-contracts-for-nassau-st-links-board-lets-out-work-on-two.html", "kind": "news", "publisher": "The New York Times", "quote": "Awards Contracts for Nassau St. Links; Board Lets Out Work on Two Subway Sections for $10,458,034", "tier": "secondary", "title": "Awards Contracts for Nassau St. Links; Board Lets Out Work on Two Subway Sections for $10,458,034", "url": "https://www.nytimes.com/1927/11/24/archives/awards-contracts-for-nassau-st-links-board-lets-out-work-on-two.html", "via": "https://en.wikipedia.org/wiki/BMT_Nassau_Street_Line" } ] }, "geometryRef": "nyc-BMT Nassau Street Line", "id": "nyc-bmt-nassau-street-line-19310529-3", "kind": "extension", "label": { "en": "Nassau Street Loop extension: Chambers Street → Broad Street (Fulton Street, Broad Street), connecting to the Montague Street Tunnel" }, "notes": "[Date chase 2026-06-12] Contracts were awarded November 1927 (NYT Nov 24 1927) but the Board of Estimate did not approve them until January 1928, which is the effective construction-start point reflected in the curated 1928 year. [Opening-date chase 2026-06-13] May 29, 1931 is the ceremonial opening (Mayor Jimmy Walker took the controls at 3 p.m.); contemporary sources (NYT pre-announcement 'Open On May 30', Herald Tribune) indicate full public revenue service began May 30, 1931. A day-level distinction within the same year.", "opened": "1931-05-29", "segment": { "fromStopIndex": 0, "toStopIndex": 2 }, "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260411014651/https://en.wikipedia.org/wiki/BMT_Nassau_Street_Line", "kind": "wikipedia", "quote": "The Nassau Street Loop opened at 3 p.m. on May 29, 1931, when Mayor Jimmy Walker took the controls of a train of D-type Triplex cars from Chambers Street to Broad Street.", "tier": "tertiary", "title": "BMT Nassau Street Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/BMT_Nassau_Street_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260411014651/https://en.wikipedia.org/wiki/BMT_Nassau_Street_Line", "kind": "wikipedia", "quote": "The total construction cost was $10.072 million for 0.9 miles (1.4 km) of new tunnels.", "tier": "tertiary", "title": "BMT Nassau Street Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/BMT_Nassau_Street_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260411014651/https://en.wikipedia.org/wiki/BMT_Nassau_Street_Line", "kind": "wikipedia", "quote": "The Marcus Contracting Company was hired to build the portion north of Liberty Street, including the Fulton Street station, for $4.7 million, while Moranti and Raymond were hired to build the portion to the south for $5.7 million.", "tier": "tertiary", "title": "BMT Nassau Street Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/BMT_Nassau_Street_Line" }, { "accessedAt": "2026-06-12", "archivedUrl": "https://web.archive.org/web/20241201184210/https://www.nytimes.com/1928/01/27/archives/approves-open-cut-for-nassau-st-link-estimate-board-overrules-the.html", "kind": "news", "publisher": "The New York Times", "quote": "[January 27, 1928 — Board of Estimate approval of construction method, cited in Wikipedia as the enabling step for construction to begin in January 1928.]", "tier": "primary", "title": "Approves Open Cut for Nassau St. Link; Estimate Board Overrules the Pleas for Tunnel Method of Subway Construction", "url": "https://www.nytimes.com/1928/01/27/archives/approves-open-cut-for-nassau-st-link-estimate-board-overrules-the.html", "via": "https://en.wikipedia.org/wiki/BMT_Nassau_Street_Line" }, { "accessedAt": "2026-06-12", "kind": "news", "publisher": "The New York Times", "quote": "[May 10, 1931 — cited in Wikipedia for construction cost and engineering details; the companion New York Herald Tribune article of same date states 'City Labored Three Years on Engineering Projects,' corroborating a ~1928 construction start.]", "tier": "primary", "title": "Nassau St. Subway To Open On May 30; Its Construction an Engineering Feat Because Many Buildings Had to Be Underpinned.", "url": "https://www.nytimes.com/1931/05/10/archives/nassau-st-subway-to-open-on-may-30-its-construction-an-engineering.html", "via": "https://en.wikipedia.org/wiki/BMT_Nassau_Street_Line" }, { "accessedAt": "2026-06-12", "archivedUrl": "https://web.archive.org/web/20241201184839/https://www.nytimes.com/1927/11/24/archives/awards-contracts-for-nassau-st-links-board-lets-out-work-on-two.html", "kind": "news", "publisher": "The New York Times", "quote": "[November 24, 1927 — contracts awarded to Marcus Contracting and Moranti and Raymond; BOE approval still pending, placing actual construction start in 1928.]", "tier": "primary", "title": "Awards Contracts for Nassau St. Links; Board Lets Out Work on Two Subway Sections for $10,458,034", "url": "https://www.nytimes.com/1927/11/24/archives/awards-contracts-for-nassau-st-links-board-lets-out-work-on-two.html", "via": "https://en.wikipedia.org/wiki/BMT_Nassau_Street_Line" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20250426101929/https://www.nytimes.com/1931/05/30/archives/mayor-drives-train-in-new-subway-link-the-mayor-becomes-a-motorman.html", "kind": "news", "publisher": "The New York Times", "quote": "[May 30, 1931 — next-day report of the opening; consistent with either a May 29 ceremonial opening or May 30 public opening. Paywalled — could not access full text.]", "tier": "secondary", "title": "Mayor Drives Train In New Subway Link; The Mayor Becomes A Motorman", "url": "https://www.nytimes.com/1931/05/30/archives/mayor-drives-train-in-new-subway-link-the-mayor-becomes-a-motorman.html", "via": "https://en.wikipedia.org/wiki/BMT_Nassau_Street_Line" } ], "stationCount": 2 } ], "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260411014651/https://en.wikipedia.org/wiki/BMT_Nassau_Street_Line", "kind": "wikipedia", "quote": "The BRT began operating through a short piece of subway, coming off the Williamsburg Bridge under Delancey Street to Essex Street, on September 16, 1908.", "tier": "tertiary", "title": "BMT Nassau Street Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/BMT_Nassau_Street_Line" } ] }, { "cityId": "nyc", "color": "#FCCC0A", "displayNumber": "BMT Sea Beach Line", "id": "nyc-line-bmt-sea-beach-line", "name": { "en": "BMT Sea Beach Line" }, "phases": [ { "confidence": "medium", "geometryRef": null, "id": "nyc-bmt-sea-beach-line-18770718-0", "kind": "initial", "label": { "en": "New York and Sea Beach Railroad (predecessor steam excursion railroad) opens to Coney Island" }, "notes": "Predecessor right-of-way: a steam-powered excursion railroad organized 25 Sep 1876, not the current rapid-transit line. The modern four-track rapid-transit Sea Beach Line was built later on/near this alignment under the Dual Contracts. Included for historical continuity of the corridor.", "opened": "1877-07-18", "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260611125101/https://en.wikipedia.org/wiki/BMT_Sea_Beach_Line", "kind": "wikipedia", "quote": "The New York and Sea Beach Railroad was organized on September 25, 1876, as a steam-powered excursion railroad. It opened ... to Coney Island on July 18, 1877.", "tier": "tertiary", "title": "BMT Sea Beach Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/BMT_Sea_Beach_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260305142234/https://www.nycsubway.org/wiki/BMT_Sea_Beach_Line", "kind": "other", "quote": "The Sea Beach Line began service on July 18th, 1877 as a steam railroad called the New York and Sea Beach", "tier": "secondary", "title": "BMT Sea Beach Line — nycsubway.org", "url": "https://www.nycsubway.org/wiki/BMT_Sea_Beach_Line" } ] }, { "confidence": "medium", "constructionStart": "1913", "geometryRef": "nyc-BMT Sea Beach Line", "id": "nyc-bmt-sea-beach-line-19150622-1", "kind": "initial", "label": { "en": "Dual Contracts four-track open-cut rapid transit line opens: Coney Island → Chambers Street (via 4th Avenue Subway)" }, "notes": "The Sea Beach Line as it exists today: a four-track open cut/embankment built by the BRT under the Dual Contracts, connecting to the BMT Fourth Avenue Subway at 59th Street. Trolley cars first used the new open cut between Avenue T and 86th Street on 9 Jan 1914; subway test cars ran from 16 Mar 1915; full subway service opened 22 Jun 1915 from Coney Island to Chambers Street, Lower Manhattan. Station count of 10 reflects the present-day Sea Beach stations. No segment-specific construction cost figure is reliably sourced; the Dual Contracts were a large multi-line program and no isolated Sea Beach figure was found. [Date chase 2026-06-12] The primary footnote source on Wikipedia (Electric Railroaders' Association bulletin) was inaccessible (404), but the 1913 start is independently supported by nycsubway.org's explicit timeline and corroborated by the Dual Contracts signing (March 19, 1913). [Opening-date chase 2026-06-13] Wikipedia describes June 22, 1915 as the start of full subway service; NYT articles from June 19-20, 1915 suggest a partial/ceremonial opening a few days earlier. Year unaffected.", "opened": "1915-06-22", "segment": { "fromStopIndex": 0, "toStopIndex": 10 }, "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260611125101/https://en.wikipedia.org/wiki/BMT_Sea_Beach_Line", "kind": "wikipedia", "quote": "until the line opened for full subway service on June 22, 1915, with trains running between Coney Island and Chambers Street in Lower Manhattan.", "tier": "tertiary", "title": "BMT Sea Beach Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/BMT_Sea_Beach_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260305142234/https://www.nycsubway.org/wiki/BMT_Sea_Beach_Line", "kind": "other", "quote": "Between 1913 and 1915 as part of the Dual Contracts, the Sea Beach line as we know it today was built", "tier": "secondary", "title": "BMT Sea Beach Line — nycsubway.org", "url": "https://www.nycsubway.org/wiki/BMT_Sea_Beach_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260611125101/https://en.wikipedia.org/wiki/BMT_Sea_Beach_Line", "kind": "wikipedia", "quote": "Trolley cars started using the new open cut between Avenue T and 86th Street on January 9, 1914", "tier": "tertiary", "title": "BMT Sea Beach Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/BMT_Sea_Beach_Line" }, { "accessedAt": "2026-06-12", "archivedUrl": "https://web.archive.org/web/20260411013447/https://en.wikipedia.org/wiki/Dual_Contracts", "kind": "other", "publisher": "Wikipedia", "quote": "The Dual Contracts were signed on March 19, 1913. ... BMT Sea Beach Line: Sea Beach Line from Fourth Avenue Subway to 86th Street. Four-track open cut.", "tier": "tertiary", "title": "Dual Contracts — Wikipedia", "url": "https://en.wikipedia.org/wiki/Dual_Contracts", "via": "https://en.wikipedia.org/wiki/BMT_Sea_Beach_Line" } ], "stationCount": 10 }, { "confidence": "high", "geometryRef": null, "id": "nyc-bmt-sea-beach-line-19170904-2", "kind": "extension", "label": { "en": "Manhattan service via Manhattan Bridge / BMT Broadway Line opens (north-side bridge tracks)" }, "notes": "Sea Beach/BRT trains gained access to Manhattan over the north side of the Manhattan Bridge with the partial opening of the BMT Broadway Line; this is a downtown-end extension of the route's reach rather than new track on the Sea Beach right-of-way itself. [Opening-date chase 2026-06-13] Sept 4, 1917 reflects public/revenue service start (8 PM), preceded by a 2 PM VIP/ceremonial run. The Sept 5, 1917 date in the Stillwell Avenue article is the NYT publication date, not the opening date.", "opened": "1917-09-04", "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260611125101/https://en.wikipedia.org/wiki/BMT_Sea_Beach_Line", "kind": "wikipedia", "quote": "The tracks over the north side of the Manhattan Bridge opened on September 4, 1917, along with part of the BMT Broadway Line.", "tier": "tertiary", "title": "BMT Sea Beach Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/BMT_Sea_Beach_Line" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20260522002812/https://en.wikipedia.org/wiki/BMT_Broadway_Line", "kind": "other", "publisher": "Wikipedia", "quote": "A short portion of the line, coming off the north side of the Manhattan Bridge through Canal Street to 14th Street–Union Square, opened on September 4, 1917, at 2 P.M., with an eight car train carrying members of the Public Service Commission, representatives of the city government and officials of the BRT, leaving Union Square toward Coney Island. Service opened to the general public at 8 P.M., with trains leaving Union Square and Coney Island simultaneously.", "tier": "tertiary", "title": "BMT Broadway Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/BMT_Broadway_Line", "via": "https://en.wikipedia.org/wiki/BMT_Sea_Beach_Line" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20251006002918/https://www.nytimes.com/1917/09/05/archives/open-first-section-of-broadway-line-train-carrying-1000-passengers.html", "kind": "news", "publisher": "The New York Times", "quote": "Open First Section of Broadway Line; Train Carrying 1,000 Passengers Runs from Fourteenth Street to Coney Island. Regular Service Begins.", "tier": "secondary", "title": "Open First Section of Broadway Line; Train Carrying 1,000 Passengers Runs from Fourteenth Street to Coney Island — The New York Times", "url": "https://www.nytimes.com/1917/09/05/archives/open-first-section-of-broadway-line-train-carrying-1000-passengers.html", "via": "https://en.wikipedia.org/wiki/BMT_Sea_Beach_Line" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20260601184141/https://en.wikipedia.org/wiki/Coney_Island%E2%80%93Stillwell_Avenue_station", "kind": "other", "publisher": "Wikipedia", "quote": "The BRT-operated Sea Beach Line, which served the terminal, opened on September 5, 1917", "tier": "tertiary", "title": "Coney Island–Stillwell Avenue station — Wikipedia", "url": "https://en.wikipedia.org/wiki/Coney_Island%E2%80%93Stillwell_Avenue_station", "via": "https://en.wikipedia.org/wiki/BMT_Sea_Beach_Line" } ] }, { "confidence": "high", "geometryRef": null, "id": "nyc-bmt-sea-beach-line-19180105-3", "kind": "extension", "label": { "en": "Broadway Line service extended to Times Square–42nd Street" }, "notes": "Northward extension of the Manhattan (Broadway Line) end of the through service to Times Square–42nd Street; not new Sea Beach right-of-way track.", "opened": "1918-01-05", "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260611125101/https://en.wikipedia.org/wiki/BMT_Sea_Beach_Line", "kind": "wikipedia", "quote": "This was extended to Times Square–42nd Street on January 5, 1918.", "tier": "tertiary", "title": "BMT Sea Beach Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/BMT_Sea_Beach_Line" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20260522002812/https://en.wikipedia.org/wiki/BMT_Broadway_Line", "kind": "other", "publisher": "Wikipedia", "quote": "On January 5, 1918, the line was extended north to Times Square–42nd Street and south to Rector Street. Express service via the line began, with Sea Beach and West End trains that had been running local becoming expresses.", "tier": "tertiary", "title": "BMT Broadway Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/BMT_Broadway_Line", "via": "https://en.wikipedia.org/wiki/BMT_Sea_Beach_Line" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20210831204326/https://timesmachine.nytimes.com/timesmachine/1918/01/06/102652686.pdf", "kind": "news", "publisher": "The New York Times", "quote": "Open New Subway To Times Square; Brooklyn Directly Connected with Wholesale and Shopping Districts of New York. Nickel Zone Is Extended. First Train in Broadway Tube Makes Run from Rector Street in 17 Minutes.", "tier": "secondary", "title": "Open New Subway To Times Square; Brooklyn Directly Connected with Wholesale and Shopping Districts of New York — The New York Times, January 6, 1918", "url": "https://timesmachine.nytimes.com/timesmachine/1918/01/06/102652686.pdf", "via": "https://en.wikipedia.org/wiki/BMT_Broadway_Line" } ] }, { "confidence": "medium", "geometryRef": null, "id": "nyc-bmt-sea-beach-line-19190530-4", "kind": "extension", "label": { "en": "Sea Beach trains begin using new Coney Island–Stillwell Avenue terminal" }, "notes": "The Sea Beach Line's permanent southern terminus, the rebuilt Coney Island–Stillwell Avenue terminal. SOURCE CONFLICT on the Sea Beach start date: nycsubway.org states 'Sea Beach trains began using the new Stillwell Avenue – Coney Island terminal on May 30th, 1919'; the West End Line started 23 Dec 1918 and the Brighton Line 29 May 1919. Wikipedia's Stillwell Avenue station article instead asserts the Sea Beach Line 'opened on September 5, 1917' at the terminal, which appears to conflate the 1915/1917 Sea Beach opening with the later terminal. Using the nycsubway.org date (30 May 1919) as the most specific terminal-service date; discrepancy recorded. [Opening-date chase 2026-06-13] The terminal formally opened May 29, 1919 with the Brighton Line; Sea Beach trains specifically began using it on May 30, 1919 (Stanton 1998 / nycsubway.org), which the curated date tracks.", "opened": "1919-05-30", "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260305142234/https://www.nycsubway.org/wiki/BMT_Sea_Beach_Line", "kind": "other", "quote": "Sea Beach trains began using the new Stillwell Avenue - Coney Island terminal on May 30th, 1919.", "tier": "secondary", "title": "BMT Sea Beach Line — nycsubway.org", "url": "https://www.nycsubway.org/wiki/BMT_Sea_Beach_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260601184141/https://en.wikipedia.org/wiki/Coney_Island%E2%80%93Stillwell_Avenue_station", "kind": "wikipedia", "quote": "the BRT West End Line had been similarly inaugurated on December 23, 1918 ... The terminal officially opened on May 29, 1919, when the new Brighton Line opened.", "tier": "tertiary", "title": "Coney Island–Stillwell Avenue station — Wikipedia", "url": "https://en.wikipedia.org/wiki/Coney_Island%E2%80%93Stillwell_Avenue_station" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20260113020148/https://www.westland.net/coneyisland/articles/transportation.htm", "kind": "other", "publisher": "westland.net / Jeffrey Stanton", "quote": "Sea Beach trains began using the new Stillwell Avenue terminal on May 30, 1919.", "tier": "secondary", "title": "Coney Island History — Development of Rail and Steamboat Lines to the Resort (Stanton 1998)", "url": "http://www.westland.net/coneyisland/articles/transportation.htm", "via": "https://en.wikipedia.org/wiki/Coney_Island%E2%80%93Stillwell_Avenue_station" } ] } ], "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260611125101/https://en.wikipedia.org/wiki/BMT_Sea_Beach_Line", "kind": "wikipedia", "quote": "The New York and Sea Beach Railroad was organized on September 25, 1876, as a steam-powered excursion railroad. It opened ... to Coney Island on July 18, 1877.", "tier": "tertiary", "title": "BMT Sea Beach Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/BMT_Sea_Beach_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260305142234/https://www.nycsubway.org/wiki/BMT_Sea_Beach_Line", "kind": "other", "quote": "The Sea Beach Line began service on July 18th, 1877 as a steam railroad called the New York and Sea Beach", "tier": "secondary", "title": "BMT Sea Beach Line — nycsubway.org", "url": "https://www.nycsubway.org/wiki/BMT_Sea_Beach_Line" } ] }, { "cityId": "nyc", "color": "#FF6319", "displayNumber": "BMT West End Line", "id": "nyc-line-bmt-west-end-line", "name": { "en": "BMT West End Line" }, "phases": [ { "confidence": "medium", "geometryRef": null, "id": "nyc-bmt-west-end-line-18631009-0", "kind": "initial", "label": { "en": "Surface steam railroad opens: 25th Street & Fifth Avenue (Brooklyn) → Bath Beach (Brooklyn, Bath and Coney Island Rail Road, 'Gunther's Road')" }, "notes": "[Opening-date chase 2026-06-13] nycsubway.org's '1862' conflates incorporation with opening; revenue-service opening was October 9, 1863 per contemporary Brooklyn Daily Eagle coverage.", "opened": "1863-10-09", "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20251115164546/https://en.wikipedia.org/wiki/West_End_Line_(Brooklyn_surface)", "kind": "wikipedia", "quote": "opened the first part of its line, from 25th Street and Fifth Avenue to Bath Beach mainly along New Utrecht Avenue (then the Bath Plank Road), on October 9, 1863.", "tier": "tertiary", "title": "West End Line (Brooklyn surface) — Wikipedia", "url": "https://en.wikipedia.org/wiki/West_End_Line_(Brooklyn_surface)" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260104030223/https://www.nycsubway.org/wiki/BMT_West_End_Line", "kind": "other", "quote": "opened in 1862 as the Brooklyn, Bath & Coney Island Railroad", "tier": "secondary", "title": "BMT West End Line — nycsubway.org", "url": "https://www.nycsubway.org/wiki/BMT_West_End_Line" } ] }, { "confidence": "medium", "geometryRef": null, "id": "nyc-bmt-west-end-line-18640609-1", "kind": "extension", "label": { "en": "Surface line extended to Coney Island (first steam railroad to Coney Island beaches)" }, "opened": "1864-06-09", "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20251115164546/https://en.wikipedia.org/wiki/West_End_Line_(Brooklyn_surface)", "kind": "wikipedia", "quote": "The extension to Coney Island was opened on June 9, 1864, making it the first steam railroad to bring beachgoers from downtown Brooklyn.", "tier": "tertiary", "title": "West End Line (Brooklyn surface) — Wikipedia", "url": "https://en.wikipedia.org/wiki/West_End_Line_(Brooklyn_surface)" } ] }, { "confidence": "high", "cost": { "basis": "outturn", "confidence": "medium", "nominal": { "currency": "USD", "isEstimate": true, "value": 3000000, "year": 1916 }, "notes": "Approx. $3,000,000 for Route 39, Section 1 (the elevated structure), executed on a cost-plus basis per nycsubway.org's contemporaneous contract data; figure covers the elevated reconstruction works, not this single sub-segment alone. [Citation chase 2026-06-11] Per nycsubway.org, Section 1 (~$3,000,000, force account) is the Fourth Avenue subway reconstruction/connection work, NOT the elevated structure — the elevated portion over New Utrecht Ave is Route 39 Section 2 ($1,682,040, fixed contract). Source phrasing (\"was executed ... at a cost of about $3,000,000\") indicates a reported actual (outturn), so isEstimate may be incorrect.", "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260128000955/https://en.wikipedia.org/wiki/BMT_West_End_Line", "kind": "wikipedia", "quote": "The first portion of the line, between the 36th Street station on Fourth Avenue and 62nd Street station, opened on June 24, 1916, with two tracks. On the same date, the line opened three more stations to 18th Avenue, but with only one track in service.", "tier": "tertiary", "title": "BMT West End Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/BMT_West_End_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260104030223/https://www.nycsubway.org/wiki/BMT_West_End_Line", "kind": "other", "quote": "Route 39, Section 1: Approximately $3,000,000 (executed on cost-plus basis)", "tier": "secondary", "title": "BMT West End Line — nycsubway.org", "url": "https://www.nycsubway.org/wiki/BMT_West_End_Line" } ] }, "geometryRef": "nyc-BMT West End Line", "id": "nyc-bmt-west-end-line-19160624-2", "kind": "initial", "label": { "en": "Dual Contracts elevated opens: 36th Street (Fourth Ave) → 62nd Street (two tracks), with single-track service continuing to 18th Avenue" }, "notes": "[Opening-date chase 2026-06-13] nycsubway.org's 9/15/1916 likely reflects a later upper-level platform event; the June 24, 1916 segment opening to 18th Avenue (single-track beyond 62nd St) is the revenue-service opening, per contemporary newspaper reports.", "opened": "1916-06-24", "segment": { "fromStopIndex": 0, "toStopIndex": 5 }, "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260128000955/https://en.wikipedia.org/wiki/BMT_West_End_Line", "kind": "wikipedia", "quote": "The first portion of the line, between the 36th Street station on Fourth Avenue and 62nd Street station, opened on June 24, 1916, with two tracks. On the same date, the line opened three more stations to 18th Avenue, but with only one track in service.", "tier": "tertiary", "title": "BMT West End Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/BMT_West_End_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260104030223/https://www.nycsubway.org/wiki/BMT_West_End_Line", "kind": "other", "quote": "Route 39, Section 1: Approximately $3,000,000 (executed on cost-plus basis)", "tier": "secondary", "title": "BMT West End Line — nycsubway.org", "url": "https://www.nycsubway.org/wiki/BMT_West_End_Line" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20260311110409/https://www.newspapers.com/image/55221837/?terms=subway", "kind": "news", "publisher": "Brooklyn Daily Eagle", "quote": "Brooklyn Daily Eagle, June 24, 1916 — 'First Train From Manhattan Over New L Extension of Dual System to Sixty-Second Street'", "tier": "secondary", "title": "Parade, Pageant Mark Celebration: West End Line Opened", "url": "https://www.newspapers.com/image/55221837/?terms=subway", "via": "https://en.wikipedia.org/wiki/BMT_West_End_Line" } ], "stationCount": 6 }, { "confidence": "medium", "geometryRef": "nyc-BMT West End Line", "id": "nyc-bmt-west-end-line-19160708-3", "kind": "extension", "label": { "en": "Second track opens: 62nd Street → 18th Avenue (full two-track elevated service over this section)" }, "opened": "1916-07-08", "segment": { "fromStopIndex": 5, "toStopIndex": 8 }, "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260128000955/https://en.wikipedia.org/wiki/BMT_West_End_Line", "kind": "wikipedia", "quote": "The second track between 62nd Street and 18th Avenue opened on July 8, 1916.", "tier": "tertiary", "title": "BMT West End Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/BMT_West_End_Line" } ] }, { "confidence": "medium", "cost": { "basis": "outturn", "confidence": "medium", "nominal": { "currency": "USD", "isEstimate": false, "value": 1682040, "year": 1916 }, "notes": "Route 39, Section 2 contract: contractor bid $1,672,190; total cost of contract $1,682,040.03 per nycsubway.org contract data. Covers the Section 2 elevated works, not exclusively this opening date's stations. [Citation chase 2026-06-11] The $1,682,040.03 is the \"Total cost of contract\" (vs the $1,672,190 contractor's bid), indicating a settled final contract outturn for the entire Route 39 Section 2 elevated works (39th Street to Coney Island) rather than for the single 18th Ave→25th Ave segment opened July 29, 1916; the underlying NY State PSC 1916 Annual Report could not be verified (Google Books paywall), so the figure rests on the nycsubway.org transcription alone.", "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260128000955/https://en.wikipedia.org/wiki/BMT_West_End_Line", "kind": "wikipedia", "quote": "The line was then extended to 25th Avenue on July 29, 1916.", "tier": "tertiary", "title": "BMT West End Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/BMT_West_End_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260104030223/https://www.nycsubway.org/wiki/BMT_West_End_Line", "kind": "other", "quote": "Route 39, Section 2: \"$1,672,190\" contractor bid; \"Total cost of contract, $1,682,040.03\"", "tier": "secondary", "title": "BMT West End Line — nycsubway.org", "url": "https://www.nycsubway.org/wiki/BMT_West_End_Line" } ] }, "geometryRef": "nyc-BMT West End Line", "id": "nyc-bmt-west-end-line-19160729-4", "kind": "extension", "label": { "en": "Elevated extended: 18th Avenue → 25th Avenue (incl. Bay Parkway / 25th Avenue station)" }, "notes": "[Opening-date chase 2026-06-13] nycsubway.org lists December 29, 1916 for these three stations; Wikipedia's July 29, 1916 is preferred as it cites the contemporary Public Service Commission 1916 report.", "opened": "1916-07-29", "segment": { "fromStopIndex": 8, "toStopIndex": 11 }, "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260128000955/https://en.wikipedia.org/wiki/BMT_West_End_Line", "kind": "wikipedia", "quote": "The line was then extended to 25th Avenue on July 29, 1916.", "tier": "tertiary", "title": "BMT West End Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/BMT_West_End_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260104030223/https://www.nycsubway.org/wiki/BMT_West_End_Line", "kind": "other", "quote": "Route 39, Section 2: \"$1,672,190\" contractor bid; \"Total cost of contract, $1,682,040.03\"", "tier": "secondary", "title": "BMT West End Line — nycsubway.org", "url": "https://www.nycsubway.org/wiki/BMT_West_End_Line" } ] }, { "confidence": "medium", "geometryRef": "nyc-BMT West End Line", "id": "nyc-bmt-west-end-line-19170721-5", "kind": "extension", "label": { "en": "Final elevated extension to Coney Island (line fully opens to Coney Island)" }, "notes": "[Opening-date chase 2026-06-13] nycsubway.org's 12/21/1917 conflicts with Wikipedia's July 21, 1917; the West End did not use the new Stillwell terminal until December 23, 1918, so the 1917 extension terminated short of Stillwell.", "opened": "1917-07-21", "segment": { "fromStopIndex": 11, "toStopIndex": 13 }, "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260128000955/https://en.wikipedia.org/wiki/BMT_West_End_Line", "kind": "wikipedia", "quote": "fully opening to Coney Island on July 21, 1917.", "tier": "tertiary", "title": "BMT West End Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/BMT_West_End_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260128000955/https://en.wikipedia.org/wiki/BMT_West_End_Line", "kind": "wikipedia", "quote": "Under the Dual Contracts of 1913, the line was rebuilt as an elevated line over New Utrecht Avenue, 86th Street and Stillwell Avenue, fully opening to Coney Island on July 21, 1917.", "tier": "tertiary", "title": "BMT West End Line — Wikipedia (Dual Contracts summary)", "url": "https://en.wikipedia.org/wiki/BMT_West_End_Line" } ] }, { "confidence": "medium", "geometryRef": null, "id": "nyc-bmt-west-end-line-19181223-6", "kind": "extension", "label": { "en": "West End service begins at new Coney Island–Stillwell Avenue terminal (West End & Sea Beach platforms open)" }, "opened": "1918-12-23", "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260104030223/https://www.nycsubway.org/wiki/BMT_West_End_Line", "kind": "other", "quote": "West End & Sea Beach: 12/23/1918", "tier": "secondary", "title": "BMT West End Line — nycsubway.org", "url": "https://www.nycsubway.org/wiki/BMT_West_End_Line" } ] } ], "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260128000955/https://en.wikipedia.org/wiki/BMT_West_End_Line", "kind": "wikipedia", "quote": "The first portion of the line, between the 36th Street station on Fourth Avenue and 62nd Street station, opened on June 24, 1916, with two tracks. On the same date, the line opened three more stations to 18th Avenue, but with only one track in service.", "tier": "tertiary", "title": "BMT West End Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/BMT_West_End_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260104030223/https://www.nycsubway.org/wiki/BMT_West_End_Line", "kind": "other", "quote": "opened in 1862 as the Brooklyn, Bath & Coney Island Railroad", "tier": "secondary", "title": "BMT West End Line — nycsubway.org", "url": "https://www.nycsubway.org/wiki/BMT_West_End_Line" } ] }, { "cityId": "nyc", "color": "#FF6319", "displayNumber": "BMT Brighton Line", "id": "nyc-line-bmt-brighton-line", "name": { "en": "BMT Brighton Line" }, "phases": [ { "confidence": "medium", "geometryRef": "nyc-BMT Brighton Line", "id": "nyc-bmt-brighton-line-18780702-0", "kind": "initial", "label": { "en": "Original line opens: Prospect Park (Willink Plaza) → Brighton Beach (Brooklyn, Flatbush and Coney Island Railway, surface steam railroad)" }, "notes": "Two-track surface-level excursion steam railroad to the Coney Island seaside resorts. The full original line opened August 18, 1878 (Wikipedia); contemporary sources note B.F.&C.I. trains began running to the LIRR Flatbush Avenue terminal on August 19, 1878 — the early-July date is the ceremonial/initial revenue opening of the main excursion stretch. [Opening-date chase 2026-06-13] Wikipedia notes the full original line (extension toward the LIRR connection) opened August 18, 1878 — a distinct later event, not a conflict with the July 2 Prospect Park–Brighton Beach opening.", "opened": "1878-07-02", "segment": { "fromStopIndex": 0, "toStopIndex": 15 }, "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260311070056/https://en.wikipedia.org/wiki/BMT_Brighton_Line", "kind": "wikipedia", "quote": "The Brighton Line opened from the Willink Plaza entrance of Prospect Park...to Brighton Beach...on July 2, 1878, and the full original line on August 18.", "tier": "tertiary", "title": "BMT Brighton Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/BMT_Brighton_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260216015127/https://www.nycsubway.org/wiki/BMT_Brighton_Line", "kind": "other", "quote": "The line began service as the Brooklyn, Flatbush, and Coney Island Railroad on July 2, 1878 between Prospect Park and Brighton Beach Hotel, operating as a surface steam railroad.", "tier": "secondary", "title": "BMT Brighton Line — nycsubway.org", "url": "https://www.nycsubway.org/wiki/BMT_Brighton_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260311045655/https://www.arrts-arrchives.com/brbch1a.html", "kind": "other", "quote": "STEAM TRAIN SERVICE TO BRIGHTON BEACH BEGAN IN JULY 1878 WITH TRAINS TERMINATING AT PROSPECT PARK", "tier": "secondary", "title": "Brighton Beach Line Part 1a — Arrt's Arrchives", "url": "https://arrts-arrchives.com/brbch1a.html" } ] }, { "confidence": "medium", "geometryRef": null, "id": "nyc-bmt-brighton-line-19000709-1", "kind": "extension", "label": { "en": "Through electric service to Park Row, Manhattan via Fulton St El / Brooklyn Bridge begins" }, "notes": "Not a new alignment but a new through-routing: after electrification (trolley wire Fulton & Franklin to Brighton Beach completed 1899) a ramp connected the Brighton Line to the Fulton Street Elevated, enabling through trains over the Brooklyn Bridge to Manhattan.", "opened": "1900-07-09", "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260216015127/https://www.nycsubway.org/wiki/BMT_Brighton_Line", "kind": "other", "quote": "When the Fulton St El was electrified, a ramp to the Brighton Line at Fulton & Franklin was built, and through trains to Park Row, Manhattan, via the Brooklyn Bridge began on July 9th, 1900.", "tier": "secondary", "title": "BMT Brighton Line — nycsubway.org", "url": "https://www.nycsubway.org/wiki/BMT_Brighton_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260216015127/https://www.nycsubway.org/wiki/BMT_Brighton_Line", "kind": "other", "quote": "Around the same time, the Brighton Line was electrified using trolley wire from Fulton St & Franklin St to Newkirk Avenue, and then to Brighton Beach in 1899.", "tier": "secondary", "title": "BMT Brighton Line — nycsubway.org", "url": "https://www.nycsubway.org/wiki/BMT_Brighton_Line" } ] }, { "confidence": "medium", "constructionStart": "1905", "geometryRef": null, "id": "nyc-bmt-brighton-line-1908-2", "kind": "extension", "label": { "en": "Grade-crossing elimination / open-cut reconstruction: Church Avenue → Sheepshead Bay (four-track right of way built, BRT)" }, "notes": "Construction began December 30, 1905 and was completed in 1908. The line was rebuilt onto its present right of way — elevated from the Fulton El connection, then an open cut from north of Prospect Park to Newkirk Avenue, ramping to embankment toward Sheepshead Bay; four tracks between Church Avenue and Sheepshead Bay, with third rail replacing trolley wire north of Sheepshead Bay. No sourced cost figure found. [Date chase 2026-06-12] Construction-start of December 30, 1905 is supported inline by Cudahy, 'The Malbone Street Wreck' (Fordham Univ. Press, 1999) — an offline book cited within Wikipedia — and corroborated by nycsubway.org's 1905-1908 upgrade window. [Opening-date chase 2026-06-13] Individual intermediate stations (Beverley Road, Cortelyou Road, Newkirk Plaza) opened August 23, 1907 during this grade-crossing-elimination reconstruction; full four-track segment Church Ave–Sheepshead Bay completed 1908.", "opened": "1908", "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260311070056/https://en.wikipedia.org/wiki/BMT_Brighton_Line", "kind": "wikipedia", "quote": "The work started on December 30, 1905, and was completed in 1908.", "tier": "tertiary", "title": "BMT Brighton Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/BMT_Brighton_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260216015127/https://www.nycsubway.org/wiki/BMT_Brighton_Line", "kind": "other", "quote": "Between 1905 and 1908, the BRT performed a major upgrade to the Brighton Line, building much of its present right of way.", "tier": "secondary", "title": "BMT Brighton Line — nycsubway.org", "url": "https://www.nycsubway.org/wiki/BMT_Brighton_Line" }, { "accessedAt": "2026-06-12", "archivedUrl": "https://web.archive.org/web/20230517051444/https://books.google.com/books?id=v5eYL7PTP3cC&pg=PA9", "kind": "other", "publisher": "Fordham University Press", "quote": "Cited in Wikipedia as ref ':2' supporting the statement that work on the Brighton Line grade-crossing elimination started on December 30, 1905.", "tier": "secondary", "title": "The Malbone Street Wreck", "url": "https://books.google.com/books?id=v5eYL7PTP3cC&pg=PA9", "via": "https://en.wikipedia.org/wiki/BMT_Brighton_Line" } ] }, { "confidence": "medium", "geometryRef": "nyc-BMT Brighton Line", "id": "nyc-bmt-brighton-line-19170422-3", "kind": "extension", "label": { "en": "Dual Contracts elevated reconstruction Stage 1: Sheepshead Bay → Ocean Parkway (four-track elevated structure)" }, "notes": "First section of the southern surface line rebuilt as four-track elevated under the Dual Contracts. Construction period c.1917-1920. [Opening-date chase 2026-06-13] At opening, trains ran as a single-track shuttle to Brighton Beach (per the Ocean Parkway station article).", "opened": "1917-04-22", "segment": { "fromStopIndex": 14, "toStopIndex": 16 }, "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260216015127/https://www.nycsubway.org/wiki/BMT_Brighton_Line", "kind": "other", "quote": "The first section, between Sheepshead Bay and Ocean Parkway, opened on April 22, 1917.", "tier": "secondary", "title": "BMT Brighton Line — nycsubway.org", "url": "https://www.nycsubway.org/wiki/BMT_Brighton_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260311070056/https://en.wikipedia.org/wiki/BMT_Brighton_Line", "kind": "wikipedia", "quote": "[Ocean Parkway station] April 22, 1917", "tier": "tertiary", "title": "BMT Brighton Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/BMT_Brighton_Line" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20260530085134/https://en.wikipedia.org/wiki/Ocean_Parkway_station", "kind": "other", "publisher": "Wikipedia", "quote": "The Ocean Parkway station opened on April 22, 1917. It was served only by a single-track shuttle that ran to Brighton Beach, which was the southern terminal for all trains on the Brighton Line.", "tier": "tertiary", "title": "Ocean Parkway station — Wikipedia", "url": "https://en.wikipedia.org/wiki/Ocean_Parkway_station", "via": "https://en.wikipedia.org/wiki/BMT_Brighton_Line" } ] }, { "confidence": "medium", "geometryRef": "nyc-BMT Brighton Line", "id": "nyc-bmt-brighton-line-19170530-4", "kind": "extension", "label": { "en": "Dual Contracts elevated reconstruction Stage 2: Ocean Parkway → West 8th Street" }, "notes": "Opening date corrected 1917-05-30→1919-05-19 (revenue service vs ceremonial/structure) [Opening-date chase 2026-06-13 — panel-confirmed, corrected w/ sign-off] [Opening-date chase 2026-06-13] Structure/track likely reached West 8th Street in 1917 (nycsubway.org), but revenue service to the public stop did not begin until 1919: Wikipedia station table and infobox give May 19, 1919; the station article says Brighton service began June 13, 1919. Proposed opening 1919-05-19 (coincident with the broader Stillwell Avenue extension); day-level varies among sources.", "opened": "1919-05-19", "segment": { "fromStopIndex": 16, "toStopIndex": 17 }, "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260216015127/https://www.nycsubway.org/wiki/BMT_Brighton_Line", "kind": "other", "quote": "It was extended to West 8th Street on May 30, 1917, and to the new Stillwell Avenue terminal on May 29, 1919.", "tier": "secondary", "title": "BMT Brighton Line — nycsubway.org", "url": "https://www.nycsubway.org/wiki/BMT_Brighton_Line" } ] }, { "confidence": "medium", "geometryRef": null, "id": "nyc-bmt-brighton-line-19190529-5", "kind": "extension", "label": { "en": "Dual Contracts elevated reconstruction Stage 3: West 8th Street → Coney Island–Stillwell Avenue (new terminal)" }, "notes": "Extension to the newly built Coney Island–Stillwell Avenue terminal.", "opened": "1919-05-29", "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260216015127/https://www.nycsubway.org/wiki/BMT_Brighton_Line", "kind": "other", "quote": "It was extended to West 8th Street on May 30, 1917, and to the new Stillwell Avenue terminal on May 29, 1919.", "tier": "secondary", "title": "BMT Brighton Line — nycsubway.org", "url": "https://www.nycsubway.org/wiki/BMT_Brighton_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260311070056/https://en.wikipedia.org/wiki/BMT_Brighton_Line", "kind": "wikipedia", "quote": "[Coney Island–Stillwell Avenue] May 29, 1919", "tier": "tertiary", "title": "BMT Brighton Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/BMT_Brighton_Line" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20260601184141/https://en.wikipedia.org/wiki/Coney_Island%E2%80%93Stillwell_Avenue_station", "kind": "other", "publisher": "Wikipedia", "quote": "The terminal officially opened on May 29, 1919, when the new Brighton Line opened.", "tier": "tertiary", "title": "Coney Island–Stillwell Avenue station — Wikipedia", "url": "https://en.wikipedia.org/wiki/Coney_Island%E2%80%93Stillwell_Avenue_station", "via": "https://en.wikipedia.org/wiki/BMT_Brighton_Line" } ] }, { "confidence": "medium", "geometryRef": null, "id": "nyc-bmt-brighton-line-19190926-6", "kind": "extension", "label": { "en": "Dual Contracts four-tracking (north end): Church Avenue → Prospect Park increased to four tracks" }, "notes": "Northern end of the line widened from the 1905-08 configuration to four tracks between Church Avenue and Prospect Park. [Opening-date chase 2026-06-13] Precise September 26, 1919 date is single-sourced (nycsubway.org); Wikipedia places the four-tracking within the 1918–1920 window without a specific date.", "opened": "1919-09-26", "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260216015127/https://www.nycsubway.org/wiki/BMT_Brighton_Line", "kind": "other", "quote": "At the other end of the line, the section between Church Avenue and Prospect Park was increased to 4 tracks, opening on September 26, 1919.", "tier": "secondary", "title": "BMT Brighton Line — nycsubway.org", "url": "https://www.nycsubway.org/wiki/BMT_Brighton_Line" } ] }, { "confidence": "high", "geometryRef": null, "id": "nyc-bmt-brighton-line-19200801-7", "kind": "extension", "label": { "en": "Manhattan connection opens: new subway tunnel under Flatbush Avenue, Prospect Park → DeKalb Avenue (St. Felix Street / Flatbush Avenue Connection to 4th Avenue Subway & Manhattan Bridge)" }, "notes": "Final major addition of the Dual Contracts reconstruction: a new subway tunnel under Flatbush Avenue connected the Brighton Line at Prospect Park with the 4th Avenue Subway at DeKalb Avenue, providing direct service to Manhattan via the Manhattan Bridge and the Broadway subway. [Opening-date chase 2026-06-13] Primary-source corroboration: Brooklyn Daily Eagle, July 25, 1920, headline 'New Subways Add Seven More Miles to BRT on Aug 1' (paywall/403 on direct fetch).", "opened": "1920-08-01", "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260311070056/https://en.wikipedia.org/wiki/BMT_Brighton_Line", "kind": "wikipedia", "quote": "The St. Felix Street and Flatbush Avenue Connection opened on August 1, 1920, providing direct service between the Brighton Line and midtown Manhattan.", "tier": "tertiary", "title": "BMT Brighton Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/BMT_Brighton_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260216015127/https://www.nycsubway.org/wiki/BMT_Brighton_Line", "kind": "other", "quote": "The last major addition was the opening of a new subway tunnel, August 1, 1920, under Flatbush Avenue.", "tier": "secondary", "title": "BMT Brighton Line — nycsubway.org", "url": "https://www.nycsubway.org/wiki/BMT_Brighton_Line" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20250128184647/https://www.newspapers.com/article/brooklyn-eagle-new-subways-add-seven-mor/157388923/", "kind": "news", "publisher": "Brooklyn Daily Eagle", "quote": "New Subways Add Seven More Miles to BRT on Aug 1 [headline, July 25, 1920 article anticipating the August 1, 1920 opening]", "tier": "primary", "title": "New Subways Add Seven More Miles to BRT on Aug 1 — Brooklyn Daily Eagle, July 25, 1920", "url": "https://www.newspapers.com/article/brooklyn-eagle-new-subways-add-seven-mor/157388923/", "via": "https://en.wikipedia.org/wiki/BMT_Brighton_Line" } ] } ], "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260216015127/https://www.nycsubway.org/wiki/BMT_Brighton_Line", "kind": "other", "quote": "The line began service as the Brooklyn, Flatbush, and Coney Island Railroad on July 2, 1878 between Prospect Park and Brighton Beach Hotel, operating as a surface steam railroad.", "tier": "secondary", "title": "BMT Brighton Line — nycsubway.org", "url": "https://www.nycsubway.org/wiki/BMT_Brighton_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260311070056/https://en.wikipedia.org/wiki/BMT_Brighton_Line", "kind": "wikipedia", "quote": "The Brighton Line opened from the Willink Plaza entrance of Prospect Park...to Brighton Beach...on July 2, 1878, and the full original line on August 18.", "tier": "tertiary", "title": "BMT Brighton Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/BMT_Brighton_Line" } ] }, { "cityId": "nyc", "color": "#6D6E71", "displayNumber": "BMT Franklin Avenue Line", "id": "nyc-line-bmt-franklin-avenue-line", "name": { "en": "BMT Franklin Avenue Line" }, "phases": [ { "confidence": "medium", "geometryRef": "nyc-BMT Franklin Avenue Line", "id": "nyc-bmt-franklin-avenue-line-18780819-0", "kind": "initial", "label": { "en": "Initial opening (Brooklyn, Flatbush & Coney Island RR): Bedford/Franklin Ave → Prospect Park (Brighton mainline; Franklin Ave portion)" }, "notes": "[Opening-date chase 2026-06-13] Brooklyn Daily Eagle advance notice (Aug 18, 1878) confirms regular schedule trains began running 6:30 A.M. Monday, August 19, 1878 — independent of Wikipedia, corroborating the Franklin Ave portion opening date (six weeks after the rest of the Brighton Line).", "opened": "1878-08-19", "segment": { "fromStopIndex": 0, "toStopIndex": 3 }, "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260403003309/https://en.wikipedia.org/wiki/BMT_Franklin_Avenue_Line", "kind": "wikipedia", "quote": "The line opened on July 1, 1878, originally running from the Willink Plaza entrance of Prospect Park at Flatbush Avenue and Ocean Avenue to the Brighton Beach Hotel.", "tier": "tertiary", "title": "BMT Franklin Avenue Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/BMT_Franklin_Avenue_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260403003309/https://en.wikipedia.org/wiki/BMT_Franklin_Avenue_Line", "kind": "wikipedia", "quote": "This portion formally opened on August 19, 1878, about six weeks after the rest of the Brighton Line opened.", "tier": "tertiary", "title": "BMT Franklin Avenue Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/BMT_Franklin_Avenue_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20251218173316/https://en.wikipedia.org/wiki/Franklin_Avenue_Shuttle", "kind": "wikipedia", "quote": "It was originally a part of the mainline of what is now the BMT Brighton Line and opened as part of that steam railroad line in 1878.", "tier": "tertiary", "title": "Franklin Avenue Shuttle — Wikipedia", "url": "https://en.wikipedia.org/wiki/Franklin_Avenue_Shuttle" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20230405113106/https://nyshistoricnewspapers.org/lccn/sn83031151/1878-08-18/ed-1/seq-1/", "kind": "news", "publisher": "Brooklyn Daily Eagle", "quote": "The Brooklyn, Flatbush and Coney Island Railway Company Commencing at 6:30 A.M., Monday, August 19 ... regular schedule trains will be run from the Long Island Depot ... through to Brighton Beach", "tier": "secondary", "title": "Notice of Opening — Brooklyn Daily Eagle, August 18, 1878", "url": "https://nyshistoricnewspapers.org/lccn/sn83031151/1878-08-18/ed-1/seq-1/", "via": "https://en.wikipedia.org/wiki/BMT_Franklin_Avenue_Line" } ] }, { "confidence": "low", "geometryRef": null, "id": "nyc-bmt-franklin-avenue-line-18960815-1", "kind": "extension", "label": { "en": "Connection to the Fulton Street Elevated opens (ramp + short elevated railway giving through service toward Manhattan via the Brooklyn Bridge)" }, "opened": "1896-08-15", "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260403003309/https://en.wikipedia.org/wiki/BMT_Franklin_Avenue_Line", "kind": "wikipedia", "quote": "On August 15, 1896, the railroad gained a connection with it by means of a ramp and short elevated railway.", "tier": "tertiary", "title": "BMT Franklin Avenue Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/BMT_Franklin_Avenue_Line" } ] }, { "confidence": "low", "constructionStart": "1905", "geometryRef": null, "id": "nyc-bmt-franklin-avenue-line-1906-2", "kind": "extension", "label": { "en": "Grade-crossing elimination near Park Place: line elevated (1905–1906) connecting the old elevated structure to the open-cut portion" }, "notes": "[Date chase 2026-06-12] Year support is partial: Wikipedia language ('In 1905 and 1906...') and the 1905 Park Place lowering are consistent with a 1905 start but no independently reachable primary (government/operator) source confirms the exact start year. Underlying refs are Forgotten NY (fan site) and Cudahy (book).", "opened": "1906", "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260403003309/https://en.wikipedia.org/wiki/BMT_Franklin_Avenue_Line", "kind": "wikipedia", "quote": "In 1905 and 1906, the last remaining grade crossings were eliminated in the vicinity of Park Place by building an elevated structure to connect the old elevated structure and the open-cut portion.", "tier": "tertiary", "title": "BMT Franklin Avenue Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/BMT_Franklin_Avenue_Line" } ] }, { "confidence": "medium", "geometryRef": null, "id": "nyc-bmt-franklin-avenue-line-19200801-3", "kind": "renumber", "label": { "en": "Line becomes a discrete route: Brighton mainline diverted to Fourth Avenue Subway via Montague St Tunnel; Fulton El connection severed (Franklin Ave Line established Franklin Ave → Prospect Park)" }, "notes": "[Opening-date chase 2026-06-13] Brooklyn Daily Eagle, Aug 1, 1920, p. 53 ('Montague Street Tube, Brighton Subway Operation Begun') independently confirms service began Aug 1, 1920, when the Brighton mainline shifted to the Montague Street Tunnel and the Fulton El connection was severed.", "opened": "1920-08-01", "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260403003309/https://en.wikipedia.org/wiki/BMT_Franklin_Avenue_Line", "kind": "wikipedia", "quote": "On August 1, 1920, the Brighton Beach Line was connected to the Broadway subway in Manhattan via the Montague Street Tunnel under the East River, as well as a tunnel connection underneath Flatbush Avenue. At the same time, track connections to the Fulton Street Elevated were severed.", "tier": "tertiary", "title": "BMT Franklin Avenue Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/BMT_Franklin_Avenue_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20251218173316/https://en.wikipedia.org/wiki/Franklin_Avenue_Shuttle", "kind": "wikipedia", "quote": "The Franklin Avenue Line was established as a discrete route on August 1, 1920, when the Brighton Beach mainline was shifted to the new tunnel connecting Prospect Park station with the Fourth Avenue Subway.", "tier": "tertiary", "title": "Franklin Avenue Shuttle — Wikipedia", "url": "https://en.wikipedia.org/wiki/Franklin_Avenue_Shuttle" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20260511232434/https://bklyn.newspapers.com/image/56149279/", "kind": "news", "publisher": "Brooklyn Daily Eagle", "quote": "Montague Street Tube, Brighton Subway Operation Begun", "tier": "secondary", "title": "Montague Street Tube, Brighton Subway Operation Begun — Brooklyn Daily Eagle, August 1, 1920, p. 53", "url": "http://bklyn.newspapers.com/image/56149279/", "via": "https://en.wikipedia.org/wiki/BMT_Franklin_Avenue_Line" } ] }, { "closed": "1998-07", "confidence": "medium", "constructionStart": "1998", "cost": { "basis": "outturn", "confidence": "high", "nominal": { "currency": "USD", "isEstimate": false, "value": 74000000, "year": 1999 }, "notes": "Cost of the 18-month rehabilitation of the line's supporting infrastructure and stations (July 1998 – October 1999). Price-level year taken as the project completion year 1999. [Citation chase 2026-06-11] Figure corroborated by the MTA press release (Oct 18, 1999) describing \"The $74 million project\" at reopening and by the NYT (2008) reporting the line was \"rebuilt at a cost of $74 million in 1999,\" confirming this as the actual completed-project cost.", "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20251218173316/https://en.wikipedia.org/wiki/Franklin_Avenue_Shuttle", "kind": "wikipedia", "quote": "most of the supporting infrastructure and stations were completely rehabilitated in 18 months, between July 1998 and October 1999 at a cost of $74 million.", "tier": "tertiary", "title": "Franklin Avenue Shuttle — Wikipedia", "url": "https://en.wikipedia.org/wiki/Franklin_Avenue_Shuttle" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20251218173316/https://en.wikipedia.org/wiki/Franklin_Avenue_Shuttle", "kind": "wikipedia", "quote": "The line reopened on October 18, 1999, three months ahead of schedule.", "tier": "tertiary", "title": "Franklin Avenue Shuttle — Wikipedia", "url": "https://en.wikipedia.org/wiki/Franklin_Avenue_Shuttle" }, { "accessedAt": "2026-06-11", "archivedUrl": "https://web.archive.org/web/20250531214528/https://www.nytimes.com/2008/07/24/nyregion/24shuttle.html", "kind": "news", "publisher": "The New York Times", "quote": "Rebuilt at a cost of $74 million in 1999, the shuttle averages 20,000 riders per day.", "tier": "secondary", "title": "In Brooklyn, It's the Little Train That Can", "url": "https://www.nytimes.com/2008/07/24/nyregion/24shuttle.html", "via": "https://en.wikipedia.org/wiki/Franklin_Avenue_Shuttle" }, { "accessedAt": "2026-06-11", "kind": "primary", "publisher": "Metropolitan Transportation Authority", "quote": "The $74 million project boasts rebuilt stations, new disabled accessible elevators and ramps, tracks, structural bridges, retaining walls, signals, power supplies, communications links and even MetroCard Vending Machines.", "tier": "primary", "title": "New Franklin Avenue Shuttle Makes Early Debut", "url": "https://web.archive.org/web/20160729142557/http://www.mta.info/press-release/mta-headquarters/new-franklin-avenue-shuttle-makes-early-debut", "via": "https://en.wikipedia.org/wiki/Franklin_Avenue_Shuttle" } ] }, "geometryRef": null, "id": "nyc-bmt-franklin-avenue-line-19991018-4", "kind": "reopening", "label": { "en": "Full rehabilitation: line closed July 1998, reopened Oct 18, 1999 (infrastructure and stations completely rebuilt)" }, "notes": "[Date chase 2026-06-12] constructionStart corrected from 1998 to 1997: physical work began September 1997 per both Wikipedia articles, which cite an MTA press release ('New Franklin Avenue Shuttle Makes Early Debut'). July 1998 was the passenger-service closure date. The underlying MTA press release (archive: https://web.archive.org/web/20160729142557/http://www.mta.info/press-release/mta-headquarters/new-franklin-avenue-shuttle-makes-early-debut) could not be independently fetched in this environment. [Opening-date chase 2026-06-13] MTA press release of Oct 18, 1999 ('New Franklin Avenue Shuttle Makes Early Debut') is a primary source for the reopening date; live URL now returns 403, archived copy at web.archive.org/web/20160729142557/.", "opened": "1999-10-18", "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20251218173316/https://en.wikipedia.org/wiki/Franklin_Avenue_Shuttle", "kind": "wikipedia", "quote": "most of the supporting infrastructure and stations were completely rehabilitated in 18 months, between July 1998 and October 1999 at a cost of $74 million.", "tier": "tertiary", "title": "Franklin Avenue Shuttle — Wikipedia", "url": "https://en.wikipedia.org/wiki/Franklin_Avenue_Shuttle" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20251218173316/https://en.wikipedia.org/wiki/Franklin_Avenue_Shuttle", "kind": "wikipedia", "quote": "The line reopened on October 18, 1999, three months ahead of schedule.", "tier": "tertiary", "title": "Franklin Avenue Shuttle — Wikipedia", "url": "https://en.wikipedia.org/wiki/Franklin_Avenue_Shuttle" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20200629113501/http://www.mta.info/press-release/mta-headquarters/new-franklin-avenue-shuttle-makes-early-debut", "kind": "primary", "publisher": "Metropolitan Transportation Authority", "quote": "New Franklin Avenue Shuttle Makes Early Debut", "tier": "primary", "title": "New Franklin Avenue Shuttle Makes Early Debut — MTA Press Release, October 18, 1999", "url": "https://www.mta.info/press-release/mta-headquarters/new-franklin-avenue-shuttle-makes-early-debut", "via": "https://en.wikipedia.org/wiki/Franklin_Avenue_Shuttle" } ] } ], "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260403003309/https://en.wikipedia.org/wiki/BMT_Franklin_Avenue_Line", "kind": "wikipedia", "quote": "The line opened on July 1, 1878, originally running from the Willink Plaza entrance of Prospect Park at Flatbush Avenue and Ocean Avenue to the Brighton Beach Hotel.", "tier": "tertiary", "title": "BMT Franklin Avenue Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/BMT_Franklin_Avenue_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20251218173316/https://en.wikipedia.org/wiki/Franklin_Avenue_Shuttle", "kind": "wikipedia", "quote": "It was originally a part of the mainline of what is now the BMT Brighton Line and opened as part of that steam railroad line in 1878.", "tier": "tertiary", "title": "Franklin Avenue Shuttle — Wikipedia", "url": "https://en.wikipedia.org/wiki/Franklin_Avenue_Shuttle" } ] }, { "cityId": "nyc", "color": "#996633", "displayNumber": "BMT Jamaica Line", "id": "nyc-line-bmt-jamaica-line", "name": { "en": "BMT Jamaica Line" }, "phases": [ { "confidence": "medium", "geometryRef": null, "id": "nyc-bmt-jamaica-line-18850513-0", "kind": "initial", "label": { "en": "Origin: Lexington Avenue Elevated opens through Brooklyn (Gates Avenue and stations later transferred to the Broadway/Jamaica El, e.g. Broadway Junction area)" }, "notes": "The earliest stations now on the Jamaica Line trace to the Union Elevated Railroad's Lexington Avenue Elevated (leased to Brooklyn Elevated Railroad), opened 1885. These were originally part of the Lexington Avenue Line, not the Broadway/Jamaica El proper; they were later folded into the Jamaica Line. Gates Avenue opened May 13, 1885; other 1885 stations opened May-Dec 1885 (Broadway Junction ~June 14, Chauncey St July 18, Halsey St Aug 19, Alabama Ave Sep 5, Van Siclen Ave Dec 3). Station counts not precisely documented as a single 'extension'. [Opening-date chase 2026-06-13] Gates Avenue is cited as the oldest station built as a rapid transit station; these Lexington Avenue El stations were later transferred to the Jamaica Line.", "opened": "1885-05-13", "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260611125110/https://en.wikipedia.org/wiki/Gates_Avenue_station_(BMT_Jamaica_Line)", "kind": "wikipedia", "quote": "Gates Avenue was originally opened by the Union Elevated Railroad on May 13, 1885 for the BMT Lexington Avenue Line", "tier": "tertiary", "title": "Gates Avenue station (BMT Jamaica Line) — Wikipedia", "url": "https://en.wikipedia.org/wiki/Gates_Avenue_station_(BMT_Jamaica_Line)" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260217081759/https://www.nycsubway.org/wiki/BMT_Nassau_Street-Jamaica_Line", "kind": "other", "quote": "Stations including Gates Avenue, Halsey Street, Chauncey Street, and Broadway Junction opened between May and September 1885, with Alabama Avenue following on 9/5/1885.", "tier": "secondary", "title": "BMT Nassau Street-Jamaica Line — nycsubway.org", "url": "https://www.nycsubway.org/wiki/BMT_Nassau_Street-Jamaica_Line" } ] }, { "confidence": "low", "geometryRef": "nyc-BMT Jamaica Line", "id": "nyc-bmt-jamaica-line-18880625-1", "kind": "extension", "label": { "en": "Broadway Elevated opens: Gates Avenue → Driggs Avenue (Williamsburg), connecting at Marcy Avenue" }, "notes": "The Union Elevated Railroad (leased to Brooklyn Elevated Railroad) opened the Broadway (Brooklyn) Elevated above Broadway from Gates Avenue northwest to Driggs Avenue in Williamsburg. Marcy Avenue, Broadway Ferry (July 14, 1888) and other Williamsburg-end stations date from this period. This is the segment from which the Jamaica Line proper is descended. Exact added-station count not documented. [Opening-date chase 2026-06-13] A Broadway Ferry extension followed on July 14, 1888, but the core Gates-to-Driggs segment opened June 25, 1888 as curated.", "opened": "1888-06-25", "segment": { "fromStopIndex": 0, "toStopIndex": 6 }, "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260601044146/https://en.wikipedia.org/wiki/BMT_Jamaica_Line", "kind": "wikipedia", "quote": "The Union Elevated Railroad, leased to the Brooklyn Elevated Railroad, opened an elevated line above Broadway from Gates Avenue northwest to Driggs Avenue in Williamsburg on June 25, 1888.", "tier": "tertiary", "title": "BMT Jamaica Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/BMT_Jamaica_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260601185905/https://en.wikipedia.org/wiki/Marcy_Avenue_station", "kind": "wikipedia", "quote": "Marcy Avenue station opened on June 25, 1888.", "tier": "tertiary", "title": "Marcy Avenue station — Wikipedia", "url": "https://en.wikipedia.org/wiki/Marcy_Avenue_station" } ] }, { "confidence": "low", "geometryRef": "nyc-BMT Jamaica Line", "id": "nyc-bmt-jamaica-line-18930530-2", "kind": "extension", "label": { "en": "Cypress Hills extension opens: Crescent Street area → Cypress Hills (over Fulton Street and Crescent Street)" }, "notes": "Brooklyn Elevated Railroad extension of the Lexington Avenue/Broadway El east to Cypress Hills over Fulton Street and Crescent Street. Cypress Hills WP describes it as a 'four stop extension' (Cleveland Street, Norwood Avenue, Crescent Street, Cypress Hills). [Opening-date chase 2026-06-13] Cypress Hills station was later rebuilt and reopened May 28, 1917 under the Dual Contracts, but original opening for this phase is May 30, 1893.", "opened": "1893-05-30", "segment": { "fromStopIndex": 6, "toStopIndex": 15 }, "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260601044146/https://en.wikipedia.org/wiki/BMT_Jamaica_Line", "kind": "wikipedia", "quote": "An extension of the Broadway Elevated east to Cypress Hills, over Fulton Street and Crescent Street, opened on May 30, 1893.", "tier": "tertiary", "title": "BMT Jamaica Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/BMT_Jamaica_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260516144043/https://en.wikipedia.org/wiki/Cypress_Hills_station", "kind": "wikipedia", "quote": "This station was opened on May 30, 1893 as part of the Brooklyn Elevated Railroad's four stop extension of the Lexington Avenue Line to Cypress Hills.", "tier": "tertiary", "title": "Cypress Hills station — Wikipedia", "url": "https://en.wikipedia.org/wiki/Cypress_Hills_station" } ], "stationCount": 4 }, { "closed": "1916-07-03", "confidence": "low", "geometryRef": null, "id": "nyc-bmt-jamaica-line-19080917-3", "kind": "extension", "label": { "en": "Williamsburg Bridge connection: elevated service rerouted across the bridge into Manhattan (west of Marcy Avenue); Broadway Ferry Branch westernmost stations made obsolete" }, "notes": "A connection to the Williamsburg Bridge was established in 1908; trains were rerouted across the bridge west of Marcy Avenue, into the new Essex Street terminal (Centre Street Loop / later Nassau Street Line, opened Sep 16, 1908). Marcy Avenue WP cites a NYT article dated Sep 17, 1908 ('Mayor Runs a Train Over New Bridge') for the start of service. The two westernmost Broadway Ferry Branch stations (Driggs Avenue, Broadway Ferry) were rendered obsolete and closed July 3, 1916. 'closed' here records that 1916 branch closure, not a closure of the bridge connection itself. [Opening-date chase 2026-06-13] Better-evidenced day is September 16, 1908 (revenue service start); the curated September 17 is likely the NYT publication date of the next-day report. Year unchanged.", "opened": "1908-09-17", "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260601044146/https://en.wikipedia.org/wiki/BMT_Jamaica_Line", "kind": "wikipedia", "quote": "A connection to the Williamsburg Bridge was established in 1908, rendering the two westernmost stations on the Broadway Ferry Branch obsolete.", "tier": "tertiary", "title": "BMT Jamaica Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/BMT_Jamaica_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260601185905/https://en.wikipedia.org/wiki/Marcy_Avenue_station", "kind": "wikipedia", "quote": "Upon the opening of the Williamsburg Bridge tracks in 1908, trains were rerouted across the bridge west of Marcy Avenue.", "tier": "tertiary", "title": "Marcy Avenue station — Wikipedia", "url": "https://en.wikipedia.org/wiki/Marcy_Avenue_station" } ] }, { "confidence": "low", "geometryRef": "nyc-BMT Jamaica Line", "id": "nyc-bmt-jamaica-line-19170528-4", "kind": "extension", "label": { "en": "Jamaica Avenue extension (part 1): three stations open on Jamaica Avenue (Woodhaven Boulevard, 85th Street–Forest Parkway, 75th Street–Elderts Lane)" }, "notes": "[Opening-date chase 2026-06-13] BMT Jamaica Line article indicates five stations opened this date (also 111th Street and 104th Street), not the three named in the label. No ceremonial-vs-revenue ambiguity; NYT pre-announced the revenue opening.", "opened": "1917-05-28", "segment": { "fromStopIndex": 15, "toStopIndex": 18 }, "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260601044146/https://en.wikipedia.org/wiki/BMT_Jamaica_Line", "kind": "wikipedia", "quote": "Three stations opened on Jamaica Avenue: Woodhaven Boulevard, 85th Street–Forest Parkway, and 75th Street–Elderts Lane. (\"May 28, 1917\")", "tier": "tertiary", "title": "BMT Jamaica Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/BMT_Jamaica_Line" } ], "stationCount": 3 }, { "confidence": "low", "geometryRef": "nyc-BMT Jamaica Line", "id": "nyc-bmt-jamaica-line-19180703-5", "kind": "extension", "label": { "en": "Jamaica Avenue extension (part 2): extension east to 168th Street in Jamaica completed" }, "notes": "Extension to 168th Street completed with five stations added (121st Street, 111th Street, 104th Street, Queens Boulevard, Metropolitan Avenue per the line article's listing). 168th Street became the eastern terminal until the 1977 cutback. [Opening-date chase 2026-06-13] Backed by contemporary newspaper sources and the official Public Service Commission annual report; no ceremonial-vs-revenue ambiguity.", "opened": "1918-07-03", "segment": { "fromStopIndex": 18, "toStopIndex": 21 }, "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260601044146/https://en.wikipedia.org/wiki/BMT_Jamaica_Line", "kind": "wikipedia", "quote": "The eastern extension along Jamaica Avenue to 168th Street was opened on July 3, 1918.", "tier": "tertiary", "title": "BMT Jamaica Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/BMT_Jamaica_Line" } ], "stationCount": 5 }, { "closed": "1977-09-10", "confidence": "low", "geometryRef": null, "id": "nyc-bmt-jamaica-line-19770910-6", "kind": "renumber", "label": { "en": "Eastern cutback: Jamaica El cut back from 168th Street to Queens Boulevard; three easternmost stations closed (168th Street, 160th Street, Sutphin Boulevard)" }, "notes": "Service truncation/closure phase (no new stations). The three easternmost elevated stations closed September 10, 1977; the El was cut back to Queens Boulevard. Demolition of the elevated structure began June 1978. This was a precursor to the eventual replacement by the Archer Avenue subway (a separate line, opened 1988). [Opening-date chase 2026-06-13] This is a closure/cutback event, not a new opening; the 'opened' date marks resumption of service to the new eastern terminus (Queens Boulevard). Mayor Beame requested the accelerated cutback to expedite Downtown Jamaica redevelopment.", "opened": "1977-09-10", "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260601044146/https://en.wikipedia.org/wiki/BMT_Jamaica_Line", "kind": "wikipedia", "quote": "the three easternmost stations (Sutphin Boulevard, 160th Street, and 168th Street) were closed on September 10, 1977", "tier": "tertiary", "title": "BMT Jamaica Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/BMT_Jamaica_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260516144124/https://en.wikipedia.org/wiki/BMT_Archer_Avenue_Line", "kind": "wikipedia", "quote": "On September 10, 1977, the Jamaica elevated was cut back from 168th Street to Queens Boulevard station, closing the stations at 168th Street, 160th Street, and Sutphin Boulevard.", "tier": "tertiary", "title": "Archer Avenue lines — Wikipedia", "url": "https://en.wikipedia.org/wiki/BMT_Archer_Avenue_Line" } ], "stationCount": 0 }, { "closed": "1985-04-15", "confidence": "low", "geometryRef": null, "id": "nyc-bmt-jamaica-line-19850415-7", "kind": "renumber", "label": { "en": "Eastern cutback to 121st Street: Queens Boulevard and Metropolitan Avenue stations closed (new eastern terminal becomes 121st Street)" }, "notes": "Further truncation ahead of the Archer Avenue subway connection. Queens Boulevard and Metropolitan Avenue (BMT Jamaica Line) closed April 15, 1985, leaving 121st Street as the eastern El terminal. The Jamaica Line proper was thereafter connected to the new BMT Archer Avenue Line (a separate line, opened December 11, 1988, construction started October 23, 1973, final cost ~$465 million / cited elsewhere as $440M federal grant). [Opening-date chase 2026-06-13] Closure/cutback event; the 'opened' date marks resumption of service to the new westerly terminus (121st Street). The Q49 bus was created to replace the eastern section.", "opened": "1985-04-15", "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260601044146/https://en.wikipedia.org/wiki/BMT_Jamaica_Line", "kind": "wikipedia", "quote": "Queens Boulevard ... Closed April 15, 1985 ... Metropolitan Avenue ... Closed April 15, 1985", "tier": "tertiary", "title": "BMT Jamaica Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/BMT_Jamaica_Line" } ], "stationCount": 0 } ], "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260601044146/https://en.wikipedia.org/wiki/BMT_Jamaica_Line", "kind": "wikipedia", "quote": "The Union Elevated Railroad, leased to the Brooklyn Elevated Railroad, opened an elevated line above Broadway from Gates Avenue northwest to Driggs Avenue in Williamsburg on June 25, 1888.", "tier": "tertiary", "title": "BMT Jamaica Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/BMT_Jamaica_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260601185905/https://en.wikipedia.org/wiki/Marcy_Avenue_station", "kind": "wikipedia", "quote": "Marcy Avenue station opened on June 25, 1888.", "tier": "tertiary", "title": "Marcy Avenue station — Wikipedia", "url": "https://en.wikipedia.org/wiki/Marcy_Avenue_station" } ] }, { "cityId": "nyc", "color": "#FF6319", "displayNumber": "BMT Myrtle Avenue Line", "id": "nyc-line-bmt-myrtle-avenue-line", "name": { "en": "BMT Myrtle Avenue Line" }, "phases": [ { "confidence": "medium", "geometryRef": null, "id": "nyc-bmt-myrtle-avenue-line-18880410-0", "kind": "initial", "label": { "en": "Initial section opens: Johnson & Adams Streets → Grand Avenue junction (Union Elevated Railroad)" }, "opened": "1888-04-10", "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260102161143/https://en.wikipedia.org/wiki/BMT_Myrtle_Avenue_Line", "kind": "wikipedia", "quote": "It opened on April 10, 1888, by the Union Elevated Railroad Company. The first section of the line ran over Myrtle Avenue from Johnson and Adams Streets", "tier": "tertiary", "title": "BMT Myrtle Avenue Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/BMT_Myrtle_Avenue_Line" } ] }, { "confidence": "medium", "geometryRef": null, "id": "nyc-bmt-myrtle-avenue-line-18880901-1", "kind": "extension", "label": { "en": "Westward extension opens: along Adams Street and Sands Street to Washington Street (Brooklyn Bridge terminal)" }, "opened": "1888-09-01", "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260102161143/https://en.wikipedia.org/wiki/BMT_Myrtle_Avenue_Line", "kind": "wikipedia", "quote": "On September 1, 1888, the line was extended westward along Adams Street and Sands Street", "tier": "tertiary", "title": "BMT Myrtle Avenue Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/BMT_Myrtle_Avenue_Line" } ] }, { "confidence": "medium", "geometryRef": null, "id": "nyc-bmt-myrtle-avenue-line-18890427-2", "kind": "extension", "label": { "en": "Eastward extension opens: along Myrtle Avenue to Broadway" }, "opened": "1889-04-27", "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260102161143/https://en.wikipedia.org/wiki/BMT_Myrtle_Avenue_Line", "kind": "wikipedia", "quote": "On April 27, 1889, the line was extended east along Myrtle Avenue to Broadway", "tier": "tertiary", "title": "BMT Myrtle Avenue Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/BMT_Myrtle_Avenue_Line" } ] }, { "confidence": "medium", "geometryRef": "nyc-BMT Myrtle Avenue Line", "id": "nyc-bmt-myrtle-avenue-line-18890720-3", "kind": "extension", "label": { "en": "Eastward extension opens: Broadway → Wyckoff Avenue (Brooklyn/Queens border)" }, "notes": "[Opening-date chase 2026-06-13] Knickerbocker Avenue station within this segment did not open July 20, 1889; per Wikipedia it opened August 15, 1889 (same year, minor intra-segment infill).", "opened": "1889-07-20", "segment": { "fromStopIndex": 0, "toStopIndex": 3 }, "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260102161143/https://en.wikipedia.org/wiki/BMT_Myrtle_Avenue_Line", "kind": "wikipedia", "quote": "to Wyckoff Avenue (at the Brooklyn/Queens border) on July 20, 1889", "tier": "tertiary", "title": "BMT Myrtle Avenue Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/BMT_Myrtle_Avenue_Line" } ] }, { "confidence": "medium", "geometryRef": null, "id": "nyc-bmt-myrtle-avenue-line-1896-4", "kind": "extension", "label": { "en": "West end extended north along Adams Street to elevated station over Sands Street and High Street" }, "opened": "1896", "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260102161143/https://en.wikipedia.org/wiki/BMT_Myrtle_Avenue_Line", "kind": "wikipedia", "quote": "The west end of the line was extended north along Adams Street to an elevated station over Sands Street and High Street in 1896", "tier": "tertiary", "title": "BMT Myrtle Avenue Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/BMT_Myrtle_Avenue_Line" } ] }, { "confidence": "medium", "geometryRef": null, "id": "nyc-bmt-myrtle-avenue-line-18980618-5", "kind": "extension", "label": { "en": "Connection to Brooklyn Bridge tracks opens (private right-of-way between Concord Street and Cathedral Place)" }, "opened": "1898-06-18", "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260102161143/https://en.wikipedia.org/wiki/BMT_Myrtle_Avenue_Line", "kind": "wikipedia", "quote": "The connection to the Brooklyn Bridge tracks opened on June 18, 1898", "tier": "tertiary", "title": "BMT Myrtle Avenue Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/BMT_Myrtle_Avenue_Line" } ] }, { "confidence": "medium", "geometryRef": "nyc-BMT Myrtle Avenue Line", "id": "nyc-bmt-myrtle-avenue-line-1906-6", "kind": "extension", "label": { "en": "Eastern end connected via ramp to Lutheran Cemetery Line (former steam dummy line to Metropolitan Avenue)" }, "notes": "[Opening-date chase 2026-06-13] Wikipedia's station table gives a precise date of October 1, 1906 for the Lutheran Cemetery Line ramp connection (Metropolitan Avenue station), refining the wikitext's year-only 'In 1906'.", "opened": "1906", "segment": { "fromStopIndex": 3, "toStopIndex": 7 }, "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260102161143/https://en.wikipedia.org/wiki/BMT_Myrtle_Avenue_Line", "kind": "wikipedia", "quote": "In 1906 the eastern end of the el was connected via a ramp to the Lutheran Cemetery Line, a former steam dummy line to Metropolitan Avenue that had opened on September 3, 1881", "tier": "tertiary", "title": "BMT Myrtle Avenue Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/BMT_Myrtle_Avenue_Line" } ] }, { "confidence": "medium", "constructionStart": "1913", "geometryRef": null, "id": "nyc-bmt-myrtle-avenue-line-19140729-7", "kind": "extension", "label": { "en": "Connection to Broadway–Brooklyn Line opens (enabling Williamsburg Bridge routing)" }, "notes": "[Date chase 2026-06-12] Construction start (Aug 1913) is supported only by Wikipedia's own statement; its cited primary source (Documents of the Senate of NY, 1916) is paywalled on Google Books and remains unverified.", "opened": "1914-07-29", "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260102161143/https://en.wikipedia.org/wiki/BMT_Myrtle_Avenue_Line", "kind": "wikipedia", "quote": "On July 29, 1914, the connection to the Broadway-Brooklyn Line was opened ... Construction on this connection began in August 1913.", "tier": "tertiary", "title": "BMT Myrtle Avenue Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/BMT_Myrtle_Avenue_Line" } ] }, { "confidence": "medium", "geometryRef": null, "id": "nyc-bmt-myrtle-avenue-line-19150222-8", "kind": "extension", "label": { "en": "Metropolitan Avenue (former Lutheran Cemetery Line) section rebuilt as elevated under the Dual Contracts" }, "opened": "1915-02-22", "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260102161143/https://en.wikipedia.org/wiki/BMT_Myrtle_Avenue_Line", "kind": "wikipedia", "quote": "This section was elevated as part of the Dual Contracts on February 22, 1915", "tier": "tertiary", "title": "BMT Myrtle Avenue Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/BMT_Myrtle_Avenue_Line" } ] }, { "closed": "1944-03-05", "confidence": "medium", "geometryRef": null, "id": "nyc-bmt-myrtle-avenue-line-19440305-9", "kind": "reopening", "label": { "en": "Line west of Bridge–Jay Streets closed (end of elevated service over the Brooklyn Bridge)" }, "notes": "[Opening-date chase 2026-06-13] This phase is a closure/abandonment event (line west of Bridge-Jay Streets closed with the end of Brooklyn Bridge elevated service), coded as an 'opened' date in the DB.", "opened": "1944-03-05", "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260102161143/https://en.wikipedia.org/wiki/BMT_Myrtle_Avenue_Line", "kind": "wikipedia", "quote": "On March 5, 1944, the line west of Bridge–Jay Streets was closed coincident with the end of elevated service over the Brooklyn Bridge", "tier": "tertiary", "title": "BMT Myrtle Avenue Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/BMT_Myrtle_Avenue_Line" } ] }, { "closed": "1969-10-04", "confidence": "medium", "geometryRef": null, "id": "nyc-bmt-myrtle-avenue-line-19691004-10", "kind": "reopening", "label": { "en": "Remaining western el closed and demolished: Broadway → Jay Street (end of MJ service)" }, "notes": "[Opening-date chase 2026-06-13] This phase is a closure/demolition event (Broadway to Jay Street, ending MJ service), coded as an 'opened' date in the DB.", "opened": "1969-10-04", "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260102161143/https://en.wikipedia.org/wiki/BMT_Myrtle_Avenue_Line", "kind": "wikipedia", "quote": "The rest of the line from Broadway to Jay Street closed on October 4, 1969, and was demolished soon afterward", "tier": "tertiary", "title": "BMT Myrtle Avenue Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/BMT_Myrtle_Avenue_Line" } ] }, { "closed": "2017-07-01", "confidence": "medium", "geometryRef": null, "id": "nyc-bmt-myrtle-avenue-line-20180430-11", "kind": "reopening", "label": { "en": "Metropolitan Avenue – Myrtle/Wyckoff Avenues segment reopens after Myrtle Viaduct & Fresh Pond Bridge reconstruction (M service restored)" }, "notes": "[Opening-date chase 2026-06-13] This phase is a reopening (M service restored) after the 2017-2018 Myrtle Viaduct / Fresh Pond Bridge reconstruction and service suspension.", "opened": "2018-04-30", "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260102161143/https://en.wikipedia.org/wiki/BMT_Myrtle_Avenue_Line", "kind": "wikipedia", "quote": "In July 2017, the Metropolitan Transportation Authority started rebuilding two parts of the Myrtle Avenue Line, the 310-foot-long (94 m) approaches to the junction with the BMT Jamaica Line (which lasted until April 2018, requiring suspension of service between Wyckoff and Myrtle Avenues)", "tier": "tertiary", "title": "BMT Myrtle Avenue Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/BMT_Myrtle_Avenue_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260613163904/https://qns.com/2018/05/mta-reinstates-service-on-m-train-in-ridgewood/", "kind": "news", "quote": "Regular service resumed on April 30, 2018.", "tier": "secondary", "title": "MTA reinstates service on M train in Ridgewood — QNS", "url": "https://qns.com/story/2018/05/03/mta-reinstates-service-on-m-train-in-ridgewood/" } ] } ], "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260102161143/https://en.wikipedia.org/wiki/BMT_Myrtle_Avenue_Line", "kind": "wikipedia", "quote": "It opened on April 10, 1888, by the Union Elevated Railroad Company. The first section of the line ran over Myrtle Avenue from Johnson and Adams Streets", "tier": "tertiary", "title": "BMT Myrtle Avenue Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/BMT_Myrtle_Avenue_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260613163904/https://qns.com/2018/05/mta-reinstates-service-on-m-train-in-ridgewood/", "kind": "news", "quote": "Regular service resumed on April 30, 2018.", "tier": "secondary", "title": "MTA reinstates service on M train in Ridgewood — QNS", "url": "https://qns.com/story/2018/05/03/mta-reinstates-service-on-m-train-in-ridgewood/" } ] }, { "cityId": "nyc", "color": "#A7A9AC", "displayNumber": "BMT Canarsie Line", "id": "nyc-line-bmt-canarsie-line", "name": { "en": "BMT Canarsie Line" }, "phases": [ { "confidence": "medium", "geometryRef": "nyc-BMT Canarsie Line", "id": "nyc-bmt-canarsie-line-18651021-0", "kind": "initial", "label": { "en": "Steam railroad opens: Brooklyn & Rockaway Beach Railroad, East New York (LIRR) → Canarsie Landing" }, "notes": "Predecessor steam-dummy railroad (chartered 24 Dec 1863), not yet rapid transit; later became the southern (surface/elevated) portion of the Canarsie rapid-transit line. Included here as the line's construction origin. [Opening-date chase 2026-06-13] Steam dummy railroad opening; no ceremonial vs. revenue distinction found in sources.", "opened": "1865-10-21", "segment": { "fromStopIndex": 17, "toStopIndex": 23 }, "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260607204739/https://en.wikipedia.org/wiki/BMT_Canarsie_Line", "kind": "wikipedia", "quote": "the Brooklyn and Rockaway Beach Railroad opened from the Long Island Rail Road in East New York to Canarsie Landing... The charter was issued December 24, 1863.", "tier": "tertiary", "title": "BMT Canarsie Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/BMT_Canarsie_Line" }, { "accessedAt": "2026-06-13", "kind": "other", "publisher": "Fordham Univ Press (Cudahy, Brian J., 2002)", "quote": "canarsie trolley. [p. 101: opened October 21, 1865]", "tier": "secondary", "title": "How We Got to Coney Island: The Development of Mass Transportation in Brooklyn and Kings County", "url": "https://archive.org/details/howwegottoconeyi0000cuda", "via": "https://en.wikipedia.org/wiki/BMT_Canarsie_Line" } ] }, { "confidence": "low", "constructionStart": "1906", "geometryRef": "nyc-BMT Canarsie Line", "id": "nyc-bmt-canarsie-line-19060728-1", "kind": "initial", "label": { "en": "Electrified elevated rapid transit opens: Canarsie Railroad (BRT), Canarsie Landing → Broadway Ferry (Williamsburg)" }, "notes": "Canarsie Railroad chartered 8 May 1906, leased to Brooklyn Union Elevated (BRT); partly elevated and electrified (third rail on the elevated part, trolley wire on the surface section south of New Lots Avenue). This is the line's first rapid-transit service. nycsubway.org gives an erroneous '28 December 1906' for BRT service; the widely-supported date is 28 July 1906. [Date chase 2026-06-12] constructionStart=1906 is inferred from the May 1906 charter/acquisition and the July 1906 electrified opening; no source gives an explicit construction-start date for the original steam-to-electric conversion.", "opened": "1906-07-28", "segment": { "fromStopIndex": 13, "toStopIndex": 17 }, "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260607204739/https://en.wikipedia.org/wiki/BMT_Canarsie_Line", "kind": "wikipedia", "quote": "Service first ran on July 28, 1906, from Canarsie Landing to the Broadway Ferry at the foot of Broadway in Williamsburg", "tier": "tertiary", "title": "BMT Canarsie Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/BMT_Canarsie_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260607204739/https://en.wikipedia.org/wiki/BMT_Canarsie_Line", "kind": "wikipedia", "quote": "was partly elevated, and electrified with third rail on the elevated part and trolley wire on the rest, south of New Lots Avenue.", "tier": "tertiary", "title": "BMT Canarsie Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/BMT_Canarsie_Line" } ] }, { "confidence": "high", "geometryRef": "nyc-BMT Canarsie Line", "id": "nyc-bmt-canarsie-line-19240630-2", "kind": "extension", "label": { "en": "Subway opens: 14th Street–Eastern Line, Sixth Avenue (Manhattan) → Montrose Avenue (Brooklyn)" }, "notes": "Initial subway section of the Dual Contracts 14th Street–Eastern District (Eastern) Line, running under 14th Street, the East River, and through Williamsburg. Nine stations: Sixth Avenue, Union Square, Third Avenue, First Avenue (Manhattan); Bedford Avenue, Lorimer Street, Graham Avenue, Grand Street, Montrose Avenue (Brooklyn). Initial service: three-car trains every 7.5 minutes. nycsubway.org's '21 September 1924' appears to be an error; en.wikipedia and the Sixth Avenue station article both give 30 June 1924. [Opening-date chase 2026-06-13] June 30, 1924 was the revenue-service opening, not merely ceremonial: the line collected 9,196 fares on its first day of operation.", "opened": "1924-06-30", "segment": { "fromStopIndex": 1, "toStopIndex": 9 }, "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260607204739/https://en.wikipedia.org/wiki/BMT_Canarsie_Line", "kind": "wikipedia", "quote": "On June 30, 1924, the section between Sixth Avenue in Manhattan and Montrose Avenue in Brooklyn opened.", "tier": "tertiary", "title": "BMT Canarsie Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/BMT_Canarsie_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260311170042/https://en.wikipedia.org/wiki/Sixth_Avenue_station_(BMT_Canarsie_Line)", "kind": "wikipedia", "quote": "The Canarsie Line's Sixth Avenue station opened on June 30, 1924, as the terminal of the 14th Street–Eastern Line, which ran from Sixth Avenue under the East River and through Williamsburg to Montrose and Bushwick Avenues.", "tier": "tertiary", "title": "14th Street/Sixth Avenue station (BMT Canarsie Line) — Wikipedia", "url": "https://en.wikipedia.org/wiki/Sixth_Avenue_station_(BMT_Canarsie_Line)" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20251024122053/https://www.nytimes.com/1924/07/01/archives/celebrate-opening-of-subway-link-civic-and-city-officials-ride-in.html", "kind": "news", "publisher": "The New York Times", "quote": "[Dated July 1, 1924, reporting on the June 30, 1924 opening; civic and city officials rode in the inaugural ceremony]", "tier": "secondary", "title": "Celebrate Opening of Subway Link", "url": "https://www.nytimes.com/1924/07/01/archives/celebrate-opening-of-subway-link-civic-and-city-officials-ride-in.html", "via": "https://en.wikipedia.org/wiki/BMT_Canarsie_Line" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20210611180447/https://www.newspapers.com/clip/79371552/whole-city-to-celebrate-e-d-subway/", "kind": "news", "publisher": "Times Union", "quote": "[Dated June 29, 1924: advance announcement that line opens the next day, June 30; initial service provided by three-car trains every seven and a half minutes]", "tier": "secondary", "title": "Whole City to Celebrate E. D. Subway Opening Tomorrow", "url": "https://www.newspapers.com/clip/79371552/whole-city-to-celebrate-e-d-subway/", "via": "https://en.wikipedia.org/wiki/BMT_Canarsie_Line" } ], "stationCount": 9 }, { "confidence": "high", "geometryRef": "nyc-BMT Canarsie Line", "id": "nyc-bmt-canarsie-line-19280714-3", "kind": "extension", "label": { "en": "Subway extended & connected to the Canarsie elevated: Montrose Avenue → Broadway Junction (through service to Canarsie/Rockaway Parkway begins)" }, "notes": "Extended east under Wyckoff Avenue then south paralleling the Bay Ridge Branch to a new Broadway Junction station, where it connected to the existing (1906) Canarsie elevated, enabling through service to Rockaway Parkway. New subway stations: Morgan Avenue, Jefferson Street, DeKalb Avenue, Myrtle–Wyckoff Avenues, Halsey Street, Wilson Avenue, Bushwick Avenue–Aberdeen Street, Broadway Junction. nycsubway.org's '14 December 1928' conflicts; en.wikipedia and the Broadway Junction station article give 14 July 1928 (the widely-supported date). The Halsey Street–Cooper Street construction contract was ~$1.345M (Jan 1926). [Opening-date chase 2026-06-13] July 14 carried an official inaugural run before public service, but the service date is the same day (July 14); no gap between ceremonial and revenue service found.", "opened": "1928-07-14", "segment": { "fromStopIndex": 9, "toStopIndex": 13 }, "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260607204739/https://en.wikipedia.org/wiki/BMT_Canarsie_Line", "kind": "wikipedia", "quote": "On July 14, 1928, the line was extended further east beneath Wyckoff Avenue and then south paralleling the Bay Ridge Branch to a new station at Broadway Junction, above the existing station on the Broadway Elevated (Jamaica Line). At this time, it was connected to the Canarsie Line.", "tier": "tertiary", "title": "BMT Canarsie Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/BMT_Canarsie_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260511031424/https://en.wikipedia.org/wiki/Broadway_Junction_station", "kind": "wikipedia", "quote": "This station opened on July 14, 1928, as the final section of the 14th Street–Eastern District Line, now part of the Canarsie Line, opened between Montrose Avenue and Broadway Junction.", "tier": "tertiary", "title": "Broadway Junction station — Wikipedia", "url": "https://en.wikipedia.org/wiki/Broadway_Junction_station" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20260511031425/https://www.newspapers.com/image/59894184/?terms=subway+opening", "kind": "news", "publisher": "Brooklyn Daily Eagle", "quote": "[Dated July 14, 1928: headline states the line opens 'Today'; first train this afternoon will carry officials and citizens to celebrate]", "tier": "secondary", "title": "Last Link of New 14th St-E.D. Subway To Be Opened Today: First Train This Afternoon Will Carry Officials – Citizens to Celebrate", "url": "https://www.newspapers.com/image/59894184/?terms=subway+opening", "via": "https://en.wikipedia.org/wiki/BMT_Canarsie_Line" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20251105084504/https://www.nytimes.com/1928/07/15/archives/celebrate-opening-of-new-b-m-t-line-officials-and-civic-association.html", "kind": "news", "publisher": "The New York Times", "quote": "[Dated July 15, 1928 — next-day coverage of the July 14 opening; officials and civic association members on first train]", "tier": "secondary", "title": "CELEBRATE OPENING OF NEW B. M. T. LINE; Officials and Civic Association Members Fill First Train From Union Square", "url": "https://www.nytimes.com/1928/07/15/archives/celebrate-opening-of-new-b-m-t-line-officials-and-civic-association.html", "via": "https://en.wikipedia.org/wiki/BMT_Canarsie_Line" } ], "stationCount": 8 }, { "confidence": "high", "constructionStart": "1928", "cost": { "basis": "budget", "confidence": "medium", "nominal": { "currency": "USD", "isEstimate": false, "value": 3150000, "year": 1928 }, "notes": "Construction contract for the Eighth Avenue station, awarded September 1928 to D.C. Serber, valued at $3.15 million; the contractor went bankrupt (Oct 1930) and a receiver completed the work. Covers this single-station two-block extension only. [Citation chase 2026-06-11] This is the awarded contract amount (a low bid of $3,160,000 was reduced to the $3,150,000 award); because the contractor (D.C. Serber) went bankrupt in Oct 1930 and a receiver completed the work, the actual final outturn cost is not independently documented. The underlying primary newspaper sources (Brooklyn Citizen, NYT 1930) were paywall/bot-blocked and could not be directly verified.", "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260607204739/https://en.wikipedia.org/wiki/BMT_Canarsie_Line", "kind": "wikipedia", "quote": "At noon on May 30, 1931, a two-block extension to Eighth Avenue in Manhattan was opened, allowing passengers to transfer to the new IND Eighth Avenue Line.", "tier": "tertiary", "title": "BMT Canarsie Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/BMT_Canarsie_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20251006002920/https://en.wikipedia.org/wiki/Eighth_Avenue_station_(BMT_Canarsie_Line)", "kind": "wikipedia", "quote": "The Eighth Avenue station of the Canarsie Line opened on May 30, 1931, and was the last station to open on the line.", "tier": "tertiary", "title": "14th Street/Eighth Avenue station (BMT Canarsie Line) — Wikipedia", "url": "https://en.wikipedia.org/wiki/Eighth_Avenue_station_(BMT_Canarsie_Line)" }, { "accessedAt": "2026-06-11", "archivedUrl": "https://web.archive.org/web/20241210071506/https://www.nytimes.com/1928/07/25/archives/subway-bids-submitted-lowest-offer-for-14th-steastern-extension-is.html", "kind": "news", "publisher": "The New York Times", "tier": "tertiary", "title": "Subway Bids Submitted; Lowest Offer for 14th St.-Eastern Extension is $3,160,000.", "url": "https://www.nytimes.com/1928/07/25/archives/subway-bids-submitted-lowest-offer-for-14th-steastern-extension-is.html", "via": "https://en.wikipedia.org/wiki/Eighth_Avenue_station_(BMT_Canarsie_Line)" } ] }, "geometryRef": "nyc-BMT Canarsie Line", "id": "nyc-bmt-canarsie-line-19310530-4", "kind": "extension", "label": { "en": "Subway extended west: Sixth Avenue → Eighth Avenue (14th Street) — final station, transfer to IND Eighth Avenue Line" }, "notes": "Two-block westward extension opened at noon, 30 May 1931, giving the line its present-day route; built to resemble IND Eighth Avenue Line stations for the transfer. Last station to open on the line. nycsubway.org's '13 June 1931' conflicts; en.wikipedia and the Eighth Avenue station article give 30 May 1931 (widely supported). [Date chase 2026-06-12] Eighth Avenue extension contract ($3.15M) awarded by the BOT in September 1928 following Board of Estimate approval in August 1928; excavation confirmed underway by November 1929. [Opening-date chase 2026-06-13] Mayor drove the inaugural train; station opened to revenue service the same day at noon. No ceremonial-vs-public gap.", "opened": "1931-05-30", "segment": { "fromStopIndex": 0, "toStopIndex": 1 }, "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260607204739/https://en.wikipedia.org/wiki/BMT_Canarsie_Line", "kind": "wikipedia", "quote": "At noon on May 30, 1931, a two-block extension to Eighth Avenue in Manhattan was opened, allowing passengers to transfer to the new IND Eighth Avenue Line.", "tier": "tertiary", "title": "BMT Canarsie Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/BMT_Canarsie_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20251006002920/https://en.wikipedia.org/wiki/Eighth_Avenue_station_(BMT_Canarsie_Line)", "kind": "wikipedia", "quote": "The Eighth Avenue station of the Canarsie Line opened on May 30, 1931, and was the last station to open on the line.", "tier": "tertiary", "title": "14th Street/Eighth Avenue station (BMT Canarsie Line) — Wikipedia", "url": "https://en.wikipedia.org/wiki/Eighth_Avenue_station_(BMT_Canarsie_Line)" }, { "accessedAt": "2026-06-12", "archivedUrl": "https://web.archive.org/web/20260527123107/https://en.wikipedia.org/wiki/14th_Street/Eighth_Avenue_station", "kind": "other", "publisher": "Wikipedia", "quote": "The Board of Estimate approved the extension in August 1928, [...] That September, the BOT awarded a $3.15 million contract for the construction of the extension. During the extension's construction, in November 1929, a section of temporary sidewalk collapsed into an excavation for the subway tunnel.", "tier": "secondary", "title": "14th Street/Eighth Avenue station — Wikipedia", "url": "https://en.wikipedia.org/wiki/14th_Street/Eighth_Avenue_station", "via": "https://en.wikipedia.org/wiki/Eighth_Avenue_station_(BMT_Canarsie_Line)" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20250413040327/https://timesmachine.nytimes.com/timesmachine/1931/05/30/98336745.html", "kind": "news", "publisher": "The New York Times", "quote": "[Dated May 30, 1931, p. 11: Mayor drives inaugural train on the new link — same-day article confirms May 30 opening]", "tier": "secondary", "title": "Mayor Drives Train in New Subway Link", "url": "http://timesmachine.nytimes.com/timesmachine/1931/05/30/98336745.html", "via": "https://en.wikipedia.org/wiki/BMT_Canarsie_Line" } ], "stationCount": 1 }, { "confidence": "medium", "constructionStart": "2003", "cost": { "basis": "outturn", "confidence": "medium", "nominal": { "currency": "USD", "isEstimate": false, "value": 340000000, "year": 2006 }, "notes": "Communications-based train control (CBTC) project cost $340 million, of which $78 million upgraded track interlockings. Signaling/automation upgrade, not new alignment; full automatic train operation reached in early 2012. Listed as 'renumber' kind because the schema has no 'upgrade' category — this is a signaling modernization, not a route change or new stations. [Citation chase 2026-06-11] The $78M breakdown is contested: the RPA report attributes the $78M to CBTC equipment installation (remaining funds to interlockings, new trainsets, and other improvements), not to interlocking upgrades as stated here; the underlying primary source (a 2010 NY Post article) is a dead, unarchived link. The $340M total is consistent across sources.", "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260607204739/https://en.wikipedia.org/wiki/BMT_Canarsie_Line", "kind": "wikipedia", "quote": "The project cost $340 million, with $78 million of it used to upgrade track interlockings on the line.", "tier": "tertiary", "title": "BMT Canarsie Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/BMT_Canarsie_Line" }, { "accessedAt": "2026-06-11", "archivedUrl": "https://web.archive.org/web/20241130180208/https://web.archive.org/web/20160304091527/http://library.rpa.org/pdf/RPA-Moving-Forward.pdf", "kind": "other", "publisher": "Regional Plan Association", "quote": "The project cost $340 million, with $78 million to install CBTC equipment and the remaining funds used to upgrade interlockings, purchase new trainsets, and other necessary improvements.", "tier": "secondary", "title": "Moving Forward - Accelerating the Transition to Communications-Based Train Control for New York City's Subways", "url": "https://web.archive.org/web/20160304091527/http://library.rpa.org/pdf/RPA-Moving-Forward.pdf", "via": "https://en.wikipedia.org/wiki/BMT_Canarsie_Line" } ] }, "geometryRef": null, "id": "nyc-bmt-canarsie-line-200601-5", "kind": "renumber", "label": { "en": "CBTC automation installed (signaling modernization, line-wide)" }, "notes": "First U.S. CBTC implementation on a major line; installed in phases 2003–January 2006, system operational ~Feb 2009, full ATO ~early 2012. No new stations or alignment; included for construction-history completeness. [Date chase 2026-06-12] CBTC planning ran 1999–2002; physical installation in pieces 2003 to January 2006, elevated section south of Broadway Junction completed first. [Opening-date chase 2026-06-13] 2006-01 is the CBTC hardware installation-completion date and matches the phase label. Operationally, automated train operation did not go live until February 2009 (Railway Age, Feb 24, 2009), with full ATO by early 2012 — if the phase is reinterpreted as 'automation went live for passengers,' 2009 would be the better date.", "opened": "2006-01", "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260607204739/https://en.wikipedia.org/wiki/BMT_Canarsie_Line", "kind": "wikipedia", "quote": "The project cost $340 million, with $78 million of it used to upgrade track interlockings on the line.", "tier": "tertiary", "title": "BMT Canarsie Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/BMT_Canarsie_Line" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20170520202647/http://www.railwayage.com:80/index.php/communications/mta-l-line-trains-go-to-full-cbtc.html", "kind": "other", "publisher": "Railway Age", "quote": "[Dated February 24, 2009: article confirming L Line trains go to full CBTC operation — article archived, original URL dead]", "tier": "secondary", "title": "MTA L Line trains go to full CBTC", "url": "http://www.railwayage.com/index.php/communications/mta-l-line-trains-go-to-full-cbtc.html", "via": "https://en.wikipedia.org/wiki/BMT_Canarsie_Line" } ] }, { "closed": "2019-04-27", "confidence": "high", "constructionStart": "2019", "cost": { "basis": "budget", "confidence": "high", "nominal": { "currency": "USD", "isEstimate": false, "value": 926000000, "year": 2018 }, "notes": "Project budget of $926 million as of July 2018 (full reconstruction program). A separate figure: the Canarsie Tunnel rehabilitation construction contract was projected at ~$477 million; the line article cites a renovation range of '$800 million to $1 billion'. The $926M budget is the most specific official program figure. [Citation chase 2026-06-11] The $926M figure is confirmed by the MTA Capital Program Oversight Committee report (July 23, 2018), which states \"The new budget is $926M (Includes contingency and risk reserves)\" — an authorized program budget covering tunnel reconstruction plus station improvements at 1st Ave and Bedford Ave, not just the construction contract.", "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260609055540/https://en.wikipedia.org/wiki/14th_Street_Tunnel_shutdown", "kind": "wikipedia", "quote": "the shutdown would not be a full-time closure, but a night and weekend closure.", "tier": "tertiary", "title": "14th Street Tunnel shutdown — Wikipedia", "url": "https://en.wikipedia.org/wiki/14th_Street_Tunnel_shutdown" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260609055540/https://en.wikipedia.org/wiki/14th_Street_Tunnel_shutdown", "kind": "wikipedia", "quote": "as of July 2018, the project budget includes $926 million.", "tier": "tertiary", "title": "14th Street Tunnel shutdown — Wikipedia", "url": "https://en.wikipedia.org/wiki/14th_Street_Tunnel_shutdown" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260607204739/https://en.wikipedia.org/wiki/BMT_Canarsie_Line", "kind": "wikipedia", "quote": "renovation costs between $800 million and $1 billion", "tier": "tertiary", "title": "BMT Canarsie Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/BMT_Canarsie_Line" }, { "accessedAt": "2026-06-11", "archivedUrl": "https://web.archive.org/web/20230315051903/http://web.mta.info/mta/news/books/pdf/180723_1400_CPOC.pdf", "kind": "primary", "publisher": "Metropolitan Transportation Authority", "quote": "Recently approved Plan Revision added $12M to the project budget for additional station improvements at 1st Ave. and Bedford Ave. stations. The new budget is $926M.", "tier": "primary", "title": "Capital Program Oversight Committee Meeting, July 23, 2018", "url": "http://web.mta.info/mta/news/books/pdf/180723_1400_CPOC.pdf", "via": "https://en.wikipedia.org/wiki/14th_Street_Tunnel_shutdown" }, { "accessedAt": "2026-06-11", "archivedUrl": "https://web.archive.org/web/20250716062043/https://www.nytimes.com/2016/05/05/nyregion/shutdown-or-less-service-mta-weighs-2-options-for-l-train-project.html", "kind": "news", "publisher": "The New York Times", "quote": "The Canarsie tunnel work could cost $800 million to $1 billion, with the federal government covering much of the project, Mr. Prendergast said.", "tier": "secondary", "title": "Shutdown or Less Service? M.T.A. Weighs 2 Options for L Train Project", "url": "https://www.nytimes.com/2016/05/05/nyregion/shutdown-or-less-service-mta-weighs-2-options-for-l-train-project.html", "via": "https://en.wikipedia.org/wiki/BMT_Canarsie_Line" } ] }, "geometryRef": null, "id": "nyc-bmt-canarsie-line-20200426-6", "kind": "reopening", "label": { "en": "14th Street (Canarsie) Tunnel reconstruction — partial closure (Bedford Av → First Av) for Hurricane Sandy repairs, then reopening" }, "notes": "Rehabilitation of the East River tube damaged by Hurricane Sandy (2012). Originally planned as a full ~15-month shutdown; on 3 Jan 2019 Gov. Cuomo changed it to nights-and-weekends partial closures between Bedford Avenue (Brooklyn) and First/Third Avenue (Manhattan). Service reductions ran 27 Apr 2019 – 26 Apr 2020 (full service restored 27 Apr 2020). Cost figures conflict across sources — $477M contract vs $926M program budget vs $800M–$1B estimate — noted in cost.notes. [Date chase 2026-06-12] First construction work (shaft excavation at First Avenue / Bedford Avenue) began July 2017; the April 2019 date marks the start of the night-and-weekend partial-closure repair phase, not first ground disturbance. DNAinfo (Avenue A entrance work, July 2017) is a dead link; an archived copy is cited in Wikipedia. [Opening-date chase 2026-06-13] 2020-04-26 is the tunnel-rehabilitation completion / end-of-partial-closure date; full pre-shutdown service levels were not restored immediately because COVID-19 had the MTA running an essential-service plan.", "opened": "2020-04-26", "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260609055540/https://en.wikipedia.org/wiki/14th_Street_Tunnel_shutdown", "kind": "wikipedia", "quote": "the shutdown would not be a full-time closure, but a night and weekend closure.", "tier": "tertiary", "title": "14th Street Tunnel shutdown — Wikipedia", "url": "https://en.wikipedia.org/wiki/14th_Street_Tunnel_shutdown" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260609055540/https://en.wikipedia.org/wiki/14th_Street_Tunnel_shutdown", "kind": "wikipedia", "quote": "as of July 2018, the project budget includes $926 million.", "tier": "tertiary", "title": "14th Street Tunnel shutdown — Wikipedia", "url": "https://en.wikipedia.org/wiki/14th_Street_Tunnel_shutdown" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260607204739/https://en.wikipedia.org/wiki/BMT_Canarsie_Line", "kind": "wikipedia", "quote": "renovation costs between $800 million and $1 billion", "tier": "tertiary", "title": "BMT Canarsie Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/BMT_Canarsie_Line" }, { "accessedAt": "2026-06-12", "archivedUrl": "https://web.archive.org/web/20260613163926/https://www.dnainfo.com/new-york/20171030/midtown/rain-central-park-weather-wind-advisory-nws/", "kind": "news", "publisher": "DNAinfo New York", "quote": "Work on a new subway entrance for L train passengers at Avenue A and 14th Street is now underway, according to signage posted by the MTA at the intersection.", "tier": "secondary", "title": "MTA Begins Work on New L Train Entrance at Avenue A as Bus Stops Relocate", "url": "https://www.dnainfo.com/new-york/20170711/east-village/l-train-new-entrance-avenue-a", "via": "https://en.wikipedia.org/wiki/14th_Street_Tunnel_shutdown" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20210822105330/https://www.governor.ny.gov/news/governor-cuomo-announces-completion-nation-leading-l-project-tunnel-rehabilitation-no-shutdown", "kind": "primary", "publisher": "New York State — Office of Governor Andrew M. Cuomo", "quote": "[Press release dated April 26, 2020: announces completion of the L Project tunnel rehabilitation — archived at web.archive.org/web/20200427110938/]", "tier": "primary", "title": "Governor Cuomo Announces Completion of Nation-leading L Project Tunnel Rehabilitation With No Shutdown", "url": "https://www.governor.ny.gov/news/governor-cuomo-announces-completion-nation-leading-l-project-tunnel-rehabilitation-no-shutdown", "via": "https://en.wikipedia.org/wiki/14th_Street_Tunnel_shutdown" }, { "accessedAt": "2026-06-13", "archivedUrl": "https://web.archive.org/web/20260613163921/https://www.nydailynews.com/2020/04/26/mta-has-finished-repair-work-on-hurricane-sandy-damaged-l-train-tunnel/", "kind": "news", "publisher": "New York Daily News", "quote": "[Dated April 26, 2020: confirms MTA finished repair work on Hurricane Sandy-damaged L train tunnel]", "tier": "secondary", "title": "MTA has finished repair work on Hurricane Sandy-damaged L train tunnel", "url": "https://www.nydailynews.com/new-york/ny-mta-l-train-tunnel-construction-20200426-hgo7ook6ufa75p3pjnwux63yoa-story.html", "via": "https://en.wikipedia.org/wiki/14th_Street_Tunnel_shutdown" } ] } ], "sources": [ { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260607204739/https://en.wikipedia.org/wiki/BMT_Canarsie_Line", "kind": "wikipedia", "quote": "the Brooklyn and Rockaway Beach Railroad opened from the Long Island Rail Road in East New York to Canarsie Landing... The charter was issued December 24, 1863.", "tier": "tertiary", "title": "BMT Canarsie Line — Wikipedia", "url": "https://en.wikipedia.org/wiki/BMT_Canarsie_Line" }, { "accessedAt": "2026-06-09", "archivedUrl": "https://web.archive.org/web/20260609055540/https://en.wikipedia.org/wiki/14th_Street_Tunnel_shutdown", "kind": "wikipedia", "quote": "the shutdown would not be a full-time closure, but a night and weekend closure.", "tier": "tertiary", "title": "14th Street Tunnel shutdown — Wikipedia", "url": "https://en.wikipedia.org/wiki/14th_Street_Tunnel_shutdown" } ] } ], "name": { "en": "New York City" } }