IND 63rd Street Line
| IND/BMT 63rd Street Lines | |
|---|---|
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| Overview | |
| Type | Rapid transit |
| System | New York City Subway |
| Locale | Manhattan and Queens |
| Termini | West of Lexington Avenue–63rd Street, Manhattan South of 72nd Street, Manhattan; West of 36th Street, Queens |
| Stations | 3 |
| Operation | |
| Opened | October 29, 1989 (IND) May 1, 1995 (Temporary usage of BMT) January 1, 2017 (Permanent usage of BMT) |
| Owner | City of New York |
| Operator(s) | New York City Transit Authority |
| Character | Underground |
| Technical | |
| Number of tracks | 2–4 |
| Track gauge | 4 ft 8 1⁄2 in (1,435 mm) |
| Electrification | 600 V Direct current traction 3rd rail |
 East River Tunnel At 63rd Street - A Film Report (1971) on YouTube
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Transit Construction Progress Report Part 1 (1973) on YouTube
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The IND 63rd Street Line and BMT 63rd Street Line, also referred to as the 63rd Street Crosstown or Route 131-A, are two rapid transit lines of the IND and BMT divisions of the New York City Subway system. The two lines run under 63rd Street on the Upper East Side of Manhattan and meet at the Lexington Avenue–63rd Street station.
The IND line is served by F trains at all times; it connects the IND Sixth Avenue Line in Manhattan to the IND Queens Boulevard Line in Queens. The BMT line is served by the Q train at all times, and some N trains during rush hours. Also known as the Second Avenue Connector, it links the BMT Broadway Line to the IND Second Avenue Line. Under the current service plan, no service needs to cross between lines, however this has been used, mainly during service disruptions and once during the Manhattan Bridge closures.
The following services use the 63rd Street Lines:
The IND line begins as a continuation of the IND Sixth Avenue Line at 57th Street station. It runs under Sixth Avenue and Central Park, turning east under 63rd Street and running through the 63rd Street Tunnel under the East River, with a station on Roosevelt Island and at 21st Street under 41st Avenue in Queens. At its eastern end, the line merges with the IND Queens Boulevard Line under Northern Boulevard, west of 36th Street station. This line is coded as new chaining route "T" (T1, southbound and T2, northbound). Beneath the subway tunnel is a second level, currently unused; it is reserved for the Long Island Rail Road's new East Side Access service to Grand Central Terminal, which is expected to commence operations by 2022.
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