However, trains operate only in their own division operating in the other division is not allowed. The 75-foot cars, the R44s, R46s, R68s, and R68As, are not permitted on BMT Eastern Division – the J, L, M, and Z trains – because of sharper curves on those tracks.Īll rolling stock, in both the A and B Divisions, run on the same 4 foot 8.5 inches (1,435 mm) standard gauge and use the same third-rail geometry and voltage. B Division cars, on the other hand, are about 10 feet (3.05 m) wide and either 60 feet 6 inches (18.44 m) or 75 feet 6 inches (23.01 m) long. All A Division equipment is approximately 8 feet 9 inches (2.67 m) wide and 51 feet (15.54 m) long. The system maintains two separate fleets of passenger cars: one for the A Division routes, the other for the B Division routes. Various kinds of cars are also used for maintenance work, including flatcars and vacuum trains.Īs of November 2016, the New York City Subway has 6418 cars on the roster. Cars purchased by the City of New York since the inception of the IND and for the other divisions beginning in 1948 are identified by the letter "R" followed by a number. The subway's rolling stock have operated under various companies: the Interborough Rapid Transit (IRT), Brooklyn–Manhattan Transit (BMT), and Independent Subway System (IND), all of which have since merged into the New York City Transit Authority. A typical revenue train consists of 8 to 10 cars, although in practice they can range between 2 and 11 cars. All rolling stock, in both the A and B Divisions, run on the same 4 foot 8.5 inches (1,435 mm) standard gauge and use the same third-rail geometry and voltage. The A Division and B Division trains operate only in their own division operating in the other division is not allowed. The system maintains two separate fleets of passenger cars: one for the A Division (numbered) routes, the other for the B Division (lettered) routes. As of November 2016, the New York City Subway has 6418 cars on the roster. The New York City Subway is a large rapid transit system and has a large fleet of rolling stock.
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