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57th Street – Seventh Avenue is an express station on the BMT Broadway Line of the New York City Subway. Located in Midtown Manhattan at the intersection of 57th Street and Seventh Avenue, it is served by the N and Q trains at all times and the R train at all times except late nights. On the subway map and on announcements, the station is called 57th Street – Seventh Avenue, but is also sometimes called Midtown – 57th Street to distinguish it from 57th Street on the IND Sixth Avenue Line, which runs underneath Sixth Avenue. It is directly adjacent to Carnegie Hall. == Station layout == When this station opened in 1919, the BMT Broadway Line had ended north of this station as 6 trackways, of which only 2 tracks (local tracks) continued to the 60th Street Tunnel to Queens. The other 4 trackways, both the express tracks and the outermost trackways (both of the outermost trackways are ramps which have never been used) curve slightly west before ending, which were a provision for the line to run to Upper Manhattan via Central Park West.〔http://www.nycsubway.org/wiki/New_Subways:_Proposed_Additions_to_Rapid_Transit_System..._(1922) "Section on Broadway Subway Expansion"〕 With four tracks and two island platforms, this station is the northernmost express station on the BMT Broadway Line. Much of the BMT system is chained from the zero point here. Most trains use the local tracks, which continue north under 59th and 60th Streets to Queens. Late night and weekend Q trains short turn on the center express tracks, which continue north as the BMT 63rd Street Line to Lexington Avenue – 63rd Street, but are not currently used in revenue service. Future plans provide for Q trains to continue past 57th Street under 63rd Street to the Second Avenue Subway, which is currently being built to 96th Street with stops at 72nd, 86th and 96th Streets.〔(【引用サイトリンク】 MTA Capital Construction - Second Avenue Subway )〕 North of the station, the local tracks continue into the 60th Street Tunnel to Queens, while the express tracks continue to 63rd Street, with switches tot he 60th Street tunnel. South of the station, te are also crossovers between the two express tracks, between both northbound tracks, and between both southbound tracks. This station underwent an overhaul in the late 1970s, which included fixing the station's structure and replacing the original wall tiles, old signs, and incandescent lighting with 1970s modern-look wall tile band and tablet mosaics, signs and fluorescent lights. Staircases and platform edges were also repaired. In 1992-1993, the station received a major overhaul with state-of-the-art repairs as well as upgrading the station for ADA compliance. The original late 1910s tiling was restored, repairs were made to the staircases, new tiling on the floors, upgrades to the station's lights and public address system, installation of ADA safety treads along the platform edge, new signs, and new trackbeds in both directions. Accessibility to the mezzanine was further increased by the addition of a usable elevator on the southwest corner of 57th Street. While elevators have yet to be installed for platform access, it allows disabled access to the fare booth and MetroCard vending machines. Before the BMT 63rd Street Line was built in 1989, the express tracks continued as layup spurs north of the station (although construction of the 63rd Street line from 1971 to 1978 continued the section between this station and Lexington Avenue – 63rd Street station). The express tracks ran for about 400 feet. 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「57th Street – Seventh Avenue (BMT Broadway Line)」の詳細全文を読む スポンサード リンク
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