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DeKalb Avenue is a local station shared by the BMT Fourth Avenue Line and the BMT Brighton Line of the New York City Subway, located at the intersection of DeKalb and Flatbush Avenues in Brooklyn. It is served by the Q train at all times, the R train at all times except late nights, the B train on weekdays and the D and N trains during late nights. ==Station layout== This underground station, opened on June 22, 1915 and was completed on August 1, 1920, has six tracks with island platforms between the two outer pairs of tracks, while the two center tracks bypass the station. The platform columns are painted red on their lower halves and cream on their upper halves. North of the station, the outer and bypass tracks head towards the Manhattan Bridge to Manhattan with a flying junction, where express trains can use either the north side of the bridge via the Chrystie Street Connection to the IND Sixth Avenue Line or the south side of the bridge to the BMT Broadway Line. Local trains continue on the middle tracks north along the BMT Fourth Avenue Line into the Montague Street Tunnel towards the BMT Broadway Line or the BMT Nassau Street Line, the latter of which is unused in revenue service. South of the station, the bypass tracks become the express tracks on the Fourth Avenue Line. The four remaining tracks become six tracks at a flying junction.〔(Detailed view of current track layout. )〕 Trains headed south on the tunnel local tracks or outer tracks proceed to the BMT Brighton Line or switch from those two tracks and provide the route to the Fourth Avenue Line local tracks. In the current service pattern, the tunnel route is not used for Brighton Line trains. Since it opened, DeKalb Avenue has been called "the heart of the BMT", and a major transfer point between BMT services, with the lines splitting north and south of the station. Platform extensions were built into a curve south of the station in 1927 to allow for longer trains. They were closed and replaced by straight extensions to the north in 1960. The abandoned portions can be seen from the open platforms and trains. The station has a shortened mezzanine because room was needed for a proposed Lafayette Avenue line. The subway connection was never built. North of this station, near the Manhattan Bridge, there is a provision for a never-built loop back to southern Brooklyn without crossing the Manhattan Bridge into Manhattan. Bellmouths for the unbuilt loop are visible from passing trains. South of this station, a junction was built at Fulton Street for a never-built branch to run via Lafayette Avenue and Broadway. 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「DeKalb Avenue (BMT Fourth Avenue Line)」の詳細全文を読む スポンサード リンク
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