12 was the Brooklyn-Manhattan Transit Corporation's designation for trains that used the

BMT Lexington Avenue Line The BMT Lexington Avenue Line (also called the Lexington Avenue Elevated) was the first standard elevated railway in Brooklyn, New York, operated in its later days by the Brooklyn Rapid Transit Company, the Brooklyn–Manhattan Transit Corporat ...

. This number was used on service listings on company maps, but was never displayed on train equipment, nor were trains referred to as "12 trains" in the manner of the current system, but were called Lexington Avenue Line trains. The

BMT BMT or bmt may refer to: Medicine * Bone marrow transplantation, hematopoietic stem cell transplantation Science and technology * 5-hydroxyfuranocoumarin 5-O-methyltransferase, an enzyme * Bangladesh Meteorological Department, the national ...

assigned numbers to its services in 1924, and 12 was applied to trains between Park Row and

Eastern Parkway Eastern Parkway is a major east–west boulevard in the borough (New York City), New York City borough of Brooklyn. Designed by Frederick Law Olmsted and Calvert Vaux, it was built between 1870 and 1874 and has been credited as the world's fir ...

via the

Brooklyn Bridge The Brooklyn Bridge is a cable-stayed suspension bridge in New York City, spanning the East River between the boroughs of Manhattan and Brooklyn. Opened on May 24, 1883, the Brooklyn Bridge was the first fixed crossing of the East River. It w ...

BMT Myrtle Avenue Line The Myrtle Avenue Line, also called the Myrtle Avenue Elevated, is a fully elevated railroad, elevated line of the New York City Subway as part of the Brooklyn–Manhattan Transit Corporation, BMT division. The line is the last surviving remnan ...

and

BMT Jamaica Line The BMT Jamaica Line, formerly known as the Broadway (Brooklyn) Line, is an elevated rapid transit line of the B Division of the New York City Subway in Brooklyn and Queens. It runs from the Williamsburg Bridge southeast over Broadway to East ...

. During

rush hour A rush hour (American English, British English) or peak hour (Australian English, Indian English) is a part of the day during which traffic congestion on roads and crowding on public transport is at its highest. Normally, this happens twice e ...

s, service extended east to

Crescent Street Crescent Street (officially in ) is a southbound street in downtown Montreal, Quebec, Canada. Running perpendicular to Saint Catherine Street, Crescent Street descends from Sherbrooke Street south to René Lévesque Boulevard. Crescent Street i ...

; some afternoon rush hour trains continued to 111th Street or 168th Street. Between 1925 and 1931, all rush hour service was extended to 111th or 168th Street. In addition, some afternoon rush hour trains were added between Sands Street (on the Brooklyn side of the Brooklyn Bridge) and 111th Street. By 1937, normal service had been truncated to the Brooklyn side of the bridge; rush hour trains still crossed the bridge to Park Row. Additionally, trains no longer ran to 168th Street, with all rush hour trains going to 111th Street. The extra afternoon rush hour trains from Sands Street to 111th Street remained. On May 31, 1940, service was ended on the

BMT Fulton Street Line The Fulton Street Line, also called the Fulton Street Elevated or Kings County Line, was an elevated rail line mostly in Brooklyn, New York City, United States. It ran above Fulton Street (Brooklyn), Fulton Street from Fulton Ferry, Brooklyn, in ...

west of Rockaway Avenue and the full length of the

BMT Fifth Avenue Line The Fifth Avenue Line, also called the Fifth Avenue Elevated or Fifth Avenue–Bay Ridge Line, was an elevated rail line in Brooklyn, New York City, United States. It ran above Hudson Avenue, Flatbush Avenue, Fifth Avenue, 38th Street, and Thi ...

and

BMT Third Avenue Line The Fifth Avenue Line, also called the Fifth Avenue Elevated or Fifth Avenue–Bay Ridge Line, was an elevated rail line in Brooklyn, New York City, United States. It ran above Hudson Avenue, Flatbush Avenue, Fifth Avenue, 38th Street, and Thi ...

. All Lexington Avenue trains were once again extended across the

to Park Row, and a new service called ''Fulton – Lexington Avenue'' was inaugurated, replacing service that had been provided by Fulton Street trains, and operating to the Fulton Street Line terminus at Lefferts Avenue. On March 5, 1944, the

was closed west of Jay Street and the Bridge Street station at that location was renamed Bridge–Jay Streets; all 12 trains were truncated there (with a free transfer first to streetcars, and then to the

IND Ind or IND may refer to: General * Independent (politician), a politician not affiliated to any political party * Independent station, used within television program listings and the television industry for a station that is not affiliated with ...

at Jay Street – Borough Hall) – see

List of New York City Subway transfer stations A list is a set of discrete items of information collected and set forth in some format for utility, entertainment, or other purposes. A list may be memorialized in any number of ways, including existing only in the mind of the list-maker, but ...

for details. By 1948, Fulton – Lexington Avenue trains were truncated to

Grant Avenue Grant Avenue in San Francisco, California, is one of the oldest streets in the city's Chinatown, San Francisco, Chinatown district. It runs in a north–south direction starting at Market Street in the heart of downtown and dead-ending past Fran ...

. The

closed on October 13, 1950, ending all 12 service.

References

* * {{DEFAULTSORT:12 (Bmt Rapid Transit Service) Defunct New York City Subway services