BMT Fourth Avenue Line
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|BMT Fourth Avenue Line|
|Type||Rapid transit line|
|System||New York City Subway|
|Locale||Brooklyn, New York City, NY|
Bay Ridge – 95th Street
|Owner||New York City|
|Operator(s)||New York City Transit Authority|
|No. of tracks||2-6|
|Track gauge||1,435 mm (4 ft 8 1⁄2 in)|
|Electrification||600V DC third rail|
The Fourth Avenue Line is a rapid transit line of the BMT division of the New York City Subway, mainly running under Fourth Avenue in Brooklyn. Fourth Avenue never had a streetcar line or elevated railway due to the provisions of the assessment charged to neighboring property owners when the street was widened. The line is served by the D, N and R trains.
Coming south from DeKalb Avenue and off of Fulton Street, the four-track line runs entirely under Fourth Avenue to just past 59th Street. South of 36th Street, the West End Line (formerly the New Utrecht Avenue elevated line) branches off eastwards, running to its terminus at Coney Island – Stillwell Avenue. Until 1954, the BMT Culver Line also branched off from here.
South of 59th Street, after the Sea Beach Line branches off eastwards towards Coney Island via an open-cut right-of-way, the line becomes two-tracked and continues under Fourth Avenue to its terminus at Bay Ridge – 95th Street. While this section of the line was built with two tracks, there were provisions to add two additional express tracks between 59th and 85th Streets if the need was ever to arise.
In its upper section, the line serves Brooklyn Heights and Downtown Brooklyn. The central section serves Park Slope east of Fourth Avenue, on the west side, Boerum Hill then Gowanus; and Sunset Park. In its lower section, it serves the community of Bay Ridge–Fort Hamilton.
The line normally carries the Fourth Avenue R service on the local tracks and the Sea Beach N and West End D services on the express tracks. Manhattan-bound from DeKalb Avenue, the local tracks run via the Montague Street Tunnel to Lower Manhattan, serving either Whitehall Street on the BMT Broadway Line (N, R) or Broad Street on the BMT Nassau Street Line (no service; the last service to use these tracks was the M, rerouted in 2010). The express tracks go to Manhattan via the Manhattan Bridge to either the BMT Broadway Line's Canal Street express station (N) or the IND Sixth Avenue Line's Grand Street station (D).
The Fourth Avenue Line was built as part of the Dual Contracts. It replaced the parallel elements of an old, now long-ago-demolished elevated system running above Fifth Avenue and Third Avenue, and captured the BMT lines to the east of them.
Formerly, the Fourth Avenue Line served trains from the BMT Culver Line, which connected to the 36th Street station via the lower level of Ninth Avenue south of Green-Wood Cemetery from a now-demolished elevated structure. Service ended in 1975. Homes were built over the right-of-way in the 1980s. The barest stub of the old elevated line is still visible at Ditmas Avenue.
The Fourth Avenue Line is chained BMT F.
|Station service legend|
|Stops all times|
|Stops all times except late nights|
|Stops late nights only|
|Stops late nights and weekends only|
|Stops weekdays only|
|Stops rush hours only|
|Time period details|
|Station||Tracks||Services||Opened||Transfers and notes|
|Montague Street Tunnel branch (R )|
|Downtown Brooklyn||Court Street||local||R||March 11, 1920||2 3 (IRT Broadway – Seventh Avenue Line at Borough Hall)
4 5 (IRT Eastern Parkway Line at Borough Hall)
|Jay Street – MetroTech||local||R||March 11, 1920||formerly Lawrence Street
A C (IND Fulton Street Line)
F (IND Culver Line)
|Manhattan Bridge branch (B D N Q R )|
|Myrtle Avenue||local||June 19, 1915||Closed 1956; only Manhattan-bound platform remains|
|Tunnel and Bridge tracks merge|
|DeKalb Avenue||bridge, tunnel||B D N Q R||September 13, 1915||6 tracks; tunnel tracks and one set of bridge tracks stop at station; the other set of bridge tracks bypass through the middle|
|bridge & tunnel tracks stopping at DeKalb Avenue split to the BMT Brighton Line (B Q ); bypass tracks continue as the BMT Fourth Avenue Line express tracks|
|Atlantic Avenue – Barclays Center||all||D N R||September 13, 1915||2 3 4 5 (IRT Eastern Parkway Line)
B Q (BMT Brighton Line)
Connection to LIRR at Atlantic Terminal; Originally named "Pacific Street"
|Park Slope||Union Street||local||D N R||September 13, 1915|
|Ninth Street||local||D N R||September 13, 1915||F G (IND Culver Line at Fourth Avenue)|
|Prospect Avenue||local||D N R||September 13, 1915|
|Greenwood Heights||25th Street||local||D N R||September 13, 1915|
|Sunset Park||36th Street||all||D N R||September 13, 1915|
|split with BMT West End Line (D ) and former split with BMT Culver Line (abandoned)|
|45th Street||local||N R||September 13, 1915|
|53rd Street||local||N R||September 13, 1915|
|59th Street||all||N R||September 13, 1915|
|express tracks become BMT Sea Beach Line (N )|
|Bay Ridge||Bay Ridge Avenue||local||R||September 13, 1915|
|77th Street||local||R||April 14, 1916|
|86th Street||local||R||April 14, 1916|
|Fort Hamilton||Bay Ridge – 95th Street||local||R||October 27, 1925|