21st Street–Queensbridge

21st Street–Queensbridge is a station on the IND 63rd Street Line of the New York City Subway. Located at the intersection of 21st Street and 41st Avenue in the Queens neighborhood of Queensbridge, it is served by the '' train at all times.The station opened in October 1989 with the opening of the 63rd Street Line. From its opening until 2001, this was the terminal of the line, although it was not originally intended as a terminal. The 63rd Street Line was originally part of a plan for a Queens Bypass Line running along the Long Island Rail Road Main Line. However, due to the lack of funds, the line terminated here, with layup tracks going to 29th Street. As a result, the tunnel become known as the "tunnel to nowhere."In December 2001, the 63rd Street Tunnel Connection opened, allowing trains from the IND Queens Boulevard Line to use the line. This station then became a through station, serving F express trains since then.HistoryThe current 63rd Street Line was the final version of proposals for a northern midtown tunnel from the IND Queens Boulevard Line to the Second and Sixth Avenue lines, which date back to the IND Second System of the 1920s and 1930s. The current plans were drawn up in the 1960s under the MTA's Program For Action. In the original 1960s plans, there would have been a station (in addition to or as an alternative to 21st Street–Queensbridge) located farther east at Northern Boulevard, one block north of the Queens Plaza station of the Queens Boulevard line. There would have been a pedestrian transfer passageway between the two stations.