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145th Street is a two level express station on the IND Eighth Avenue and Concourse Lines of the New York City Subway, located at the intersection of 145th Street and St. Nicholas Avenue in Harlem and Hamilton Heights, Manhattan. It is served by the A and D trains at all times, by the C train at all times except late nights, and by the B train on weekdays only. ==Station layout== The upper level has four tracks and two island platforms. The band is gold with black border. The station had a full mezzanine, although the central portion is now used as a police precinct. The lower level has three tracks and two island platforms. The tile border here is gold with black and the name tablets are black with gold border. The northbound platform is twice as wide as the station's other three similarly-sized platforms, so that the three trackways on the lower level line up directly with those above. Escalators lead up from this level to the mezzanine, bypassing the upper-level platforms. The full-time entrance is at 145th Street with a part-time north exit at 147th Street. The center track on the lower level is used to short turn trains not going to the Bronx or by trains that run express throughout the IND Concourse Line in the peak direction depending on the time of the day. On the upper level, just north of the station, there is an open space next to the uptown local track〔http://www.youtube.com/watch?v=MiTJoNPqjH4&feature=related ''The "bellmouth" or that open space is visible to the right at the 3:33 mark, just as the train leaves the 145th Street station (Upper level).''〕 that was a remnant of the construction of the subway and not built for a specific purpose. That open space is where the lower level tracks turn off to the IND Concourse Line. There is a hole in the floor that allows a view of the lower level. South of this station, through 135th Street, to just north of 125th Street, the line has six tracks. The express trains use the innermost pair of tracks, and the locals uses the outermost tracks. This section of the line is nicknamed "Homeball Alley" due to the large amount of switches and signals in this area. 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「145th Street (IND Eighth Avenue Line)」の詳細全文を読む スポンサード リンク
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