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The White Plains Road Line (sometimes referred to as WPR Line) is a rapid transit line of the IRT division of the New York City Subway serving the central Bronx. It is mostly elevated and served both subway and elevated trains until 1952. It is currently being used by the 2 as the local at all times and the 5 as the local at all times except rush hours in peak direction (when it runs express between East 180th Street and Third Avenue – 149th Street) and late nights (when it runs as a shuttle between Eastchester – Dyre Avenue and East 180th Street). ==Extent and service== The following services use part or all of the White Plains Road Line: The IRT White Plains Road Line begins at the Wakefield – 241st Street terminal, with two tracks, one island platform, and two closed side platforms. Crossovers just south of the station take trains to the correct tracks and a center express track comes out of those crossovers. Between Wakefield – 241st Street and Nereid Avenue, a connection comes in from the 239th Street Yard. Just north of Gun Hill Road, the now demolished IRT Third Avenue Line split from the local tracks (with crossovers to the express tracks just to the north). The line went to a lower level of Gun Hill Road and then turned west. The IRT Dyre Avenue Line merges to the local tracks just north of East 180th Street, and then crossovers allow those trains to reach the express tracks. The late-night Dyre Avenue Shuttle uses the center track to end its run, and rush hour trains in the peak direction change to the express track here. On the west side of this junction is the East 180th Street Yard while the Unionport Yard is to the east. The now-gone three-track Bronx Park Spur merged from the west after East 180th Street with one track into each of the mainline tracks. Just after this on the east side was a connection to the West Farms Yard, also gone. The express track ends north of Third Avenue – 149th Street, and from there to the end the line has two tracks. Formerly in that area there was a connection just to the north to the local tracks of the IRT Third Avenue Line, and a connection to the south, bypassing 149th Street on the Third Avenue Line. Just past those former connections, the White Plains Road Line goes underground. Just after 149th Street – Grand Concourse, the tracks split off and the two currently used by the train turn south to merge with the local tracks of the IRT Jerome Avenue Line. The other tracks, currently used by the train, pass under the Harlem River via the 149th Street Tunnel and end at the at-grade 142nd Street Junction, connecting to the IRT Lenox Avenue Line. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「IRT White Plains Road Line」の詳細全文を読む スポンサード リンク
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