page_title: History of the Second Avenue Subway
section_title: 1999 Draft Environmental Impact Statement
hierarchical_section_title: History of the Second Avenue Subway / 1995–2017: Planning for current project / 1999 Draft Environmental Impact Statement
caption_attribution_description: English: Grand Central terminal in New York, NY Français&#160;: Vue extérieure nocturne de la gare Grand Central Terminal sur l'ile de Manhattan, à New-York (États-Unis).
context_page_description: The Second Avenue Subway, a New York City Subway line that runs under Second Avenue on the East Side of Manhattan, has been proposed since 1920. The first phase of the line, consisting of three stations on the Upper East Side, started construction in 2007 and opened in 2017, ninety-seven years after the route was first proposed. Up until the 1960s, many distinct plans for the Second Avenue subway line were never carried out, though small segments were built in the 1970s. The complex reasons for these delays are why the line is sometimes called "the line that time forgot".
  The line was originally proposed in 1920 as part of a massive expansion of what would become the Independent Subway System. The Great Depression crushed the original proposal, and lack of funds scuttled numerous revivals throughout the 20th century. Meanwhile, the elevated lines along Second Avenue and Third Avenue, which the Second Avenue Line was intended to replace, were respectively demolished in 1942 and 1955, leaving the Lexington Avenue Subway as the only rapid transit line on much of Manhattan's east side.
context_section_description: The 1999 Draft Environmental Impact Statement only proposed new subway service from 63rd Street north up Second Avenue to 125th Street via the Broadway Line to Lower Manhattan. All trains would have been routed down the Broadway Line express tracks, which are the only tracks on the Broadway Line which connect to the 63rd Street Line. In order to provide access to Lower Manhattan, and to allow for congestion reduction on the Lexington Avenue Line, the "Canal Street Flip" was proposed. As built, the tracks at Canal Street are set up so that the local tracks continue into the Financial District and then enter Brooklyn through the Montague Street Tunnel, while the express tracks continue to Brooklyn directly, crossing the Manhattan Bridge. The "Canal Street Flip" would have flipped the local and express tracks at Canal Street, having local trains run via the Manhattan Bridge, and in turn having the express trains continue south on the Broadway Line through Lower Manhattan and through the Montague Street Tunnel into Brooklyn. To construct the "Flip" 3,450 feet (1,050 m) of track would have been reconstructed, the two side platforms would have been widened, columns would have been relocated, and two new switches would have been installed. Once the construction of full-length Second Avenue Subway was approved, this option was discarded.
  The service plan with the "Canal Street Flip," according to the December 1998 "Manhattan East Side Transit Alternative Study," would have had R trains run via the Second Avenue line, which was only planned to run from 63rd Street to 125th Street. R trains would become the Broadway express under this plan, using the BMT 63rd Street Line to access the Second Avenue line and continuing to 125th Street. The service would have operated 25 trains per hour (tph) between 125th Street and City Hall, 20 tph between City Hall and Whitehall Street, and 10 tph between Whitehall Street and Bay Ridge–95th Street via the Montague Street Tunnel. A reconstruction of a junction near Canal Street, called the "Canal Flip," would have provided a direct connection between the express tracks of the Broadway Line and Lower Manhattan, allowing the route to operate. To allow R trains to short-turn at City Hall, the station's unused lower level would have been reactivated, requiring upgrades for the platforms and tracks, including their lengthening, in addition to the installation of tail tracks. During construction, the station's upper level would have had to been underpinned. To replace the R on Queens Boulevard, a Broadway Local T route (distinct from the currently proposed Second Avenue Local T route) would have been created, running between Continental Avenue and Bay Parkway via Broadway local and the Manhattan Bridge. The "Canal Street Flip" would have provided a direct connection between the local tracks and the Manhattan Bridge. The N, which ran local on Broadway, would have been rerouted from the Montague Street Tunnel to the Manhattan Bridge.
  Initially, a spur to Grand Central Terminal was considered, which would have run via 44th Street as a way to divert riders from the 4 and ​5 routes, which run express on the Lexington Avenue Line. Service on this spur could not be as frequent as that on Lexington Avenue as there would not be enough capacity on Second Avenue, and as a result this plan was dropped.
  South of 14th Street, there were two possible options to decide between. Option A would continue the subway beneath Chrystie Street, St. James Place and Water Street to a terminal in Lower Manhattan. Option B would connect the new subway to the existing Nassau Street Loop tracks J1 and J2 at Kenmare Street to provide access to Lower Manhattan. This option has been proposed as part of plans for the Second Avenue Subway from the 1940s and 1950s. Cross-platform transfers would be available at Canal Street and Chambers Street to the Nassau Street Line routes. It would allow Second Avenue trains to have access to Brooklyn using the underutilized Montague Street Tunnel. This option would have a lower cost than the Water S
caption: Initial plans called for a spur from the Second Avenue Subway to Grand Central Terminal via 44th Street.[71]
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