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These cars consisted of a variety of equipment used on the BRT and later BMT. Some cars were inherited from steam railroads that became part of the BRT system while others were built new for the BRT as late as 1907. In 1913 the BRT introduced an advanced steel car design for subway service, and no more BU cars were produced.
The term BU was derived from the Brooklyn Union Elevated Railroad (BUERR) Company, one of the last operating companies of Brooklyn elevated lines before the BRT formed the New York Consolidated Railroad in 1912 to absorb the BUERR and other properties.
Historians disagree as to whether the term "BU" was commonly used before the BMT was purchased by the City of New York in 1940, or whether it was mainly an introduced term to describe the wooden elevated cars of the former private company.
Which BRT/BMT elevated cars were "BUs"?Edit
The primary distinguishing feature of BU cars is that they were elevated cars built mostly or substantially of wood, with or without steel frames, where passenger access to the cars was provided by open platforms at both ends of each car. A trainman between each pair of cars manually opened and closed folding gates to admit or bar passengers from entering or leaving.
It is generally agreed that all gate cars used in BRT elevated service can be described as BUs. This excludes several classes of elevated equipment:
- Steam coaches of companies preceding the BUERR that were never converted to, and used in, regular BUERR or BRT elevated service;
- Steam excursion coaches of the former Sea Beach Railway that were acquired by the BRT ("3200 class") but not used in elevated service and numbered as part of the streetcar department;
- Former BU cars (the C-types and Q-types) that were converted into closed cars and the gates replaced by automatically operated subway-style sliding doors.
BUs in the New York Transit Museum fleetEdit
Three BU cars that were converted to closed Q-type cars in 1938 and 1939 for BMT service to the 1939 New York World's Fair were converted back to BU gate cars in the Coney Island Rapid Transit Car Overhaul Shop for the transit museum. All of the cars are operational.
These cars are the oldest operational members of the New York Transit Museum fleet. They are made of wood with steel frames and date from 1903 and 1907. Those built in 1907 were the last BU cars ever built. They are used on excursions and are often towed by the arnines when the excursion goes though the subway tunnels. Non-employees aren't allowed to ride the cars during the tunnel portions of the trip. New York City protocol forbids use of these cars in tunnels with passengers.
The three museum BUs are currently numbered and coupled as 1407-1273-1404. They were rebuilt from Q-type unit 1622A-B-C in the late 1970s. As a Q-type in the 1970s 1622A-B-C had been rehabilitated and repainted in the original colors used for the 1939-40 World's Fair, blue and orange, which are also the colors of the City of New York.
|Frame builder||Pressed Steel||Pressed Steel||Pressed Steel|
|New York City Subway rolling stock|
|Current fleet|| IND/BMT/SIR: R32 - R32A - R38 - R40 - R40A - R42 - R44 - R46 - R68 - R68A - R143 - R160A - R160B|
| Retired fleet|
| IND/BMT: R1 - R4 - R6 - R7 - R7A - R9 - R10 - R11 - R16 - R27 - R30 - R30A - R34 - R110B|
|Never built|| IRT/BMT: R39|
| Retired fleet|
| IRT: Composite - Deck Roof - Gibbs - Hi-V - Lo-V - Steinway - World's Fair