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Re: B2 Division? (751145)

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Posted by JPC on Wed Aug 4 03:17:59 2004, in response to B2 Division?,
posted by Sonic Express on Tue Aug 3 16:42:28 2004.

A division = IRT (the numbered lines plus the GCT-TSQ shuttle)

B division = BMT+IND (the lettered lines)

B1 = former BMT lines

B2 = former IND lines

B1 and B2 are for the most part unified as the 'B' division because the trackage and tunnels were designed to be interchangeable, and numberous track connections were built. Most lettered lines in fact run on both IND and BMT trackage. The B1 and B2 nomenclature still exists because there are some slight differences between operation on the BMT and IND systems (different radio frequencies are used, for example).

Basically:

A (IRT):

The West and East side IRT lines (1/2/3/9 and 4/5/6)

The numbered lines in the Bronx (1/2/4/5/<5>/6).

The Flatbush Ave. line in Brooklyn (2/3/4/5) and the extensions to New Lots (3/4) and Flatbush Ave. (2/5).

The Times Sq. Grand Central Shuttle.

The entire length of the 7 line.

B1 (BMT):

The Southern Division in Brooklyn - the Culver (F in Brooklyn), West End (D/M in Brooklyn), the Brighton (B/Q in Brooklyn), Sea Beach (N in Brooklyn), and 4th Ave (R, plus N/D/M for some length, in Brooklyn).

The Eastern Division in Brooklyn and Queens - the J/M/Z (Broadway (Brooklyn) line) and L (Canarsie line), plus the trackage connecting to the J/M/Z (Nassau Line) and L (14th St. line) in lower Manhattan.

The Broadway (N/R/Q/W) line in Manhattan.

The Astoria (N/W) line in Queens.

The Franklin Ave. Shuttle.

B2 (IND):

The 6th and 8th Ave lines in Manhattan (A/C/E and B/D/F/V in Manhattan), as well as the entire length of the A and C lines through Brooklyn and Queens to the Rockaways.

The Concourse line in the Bronx (D).

The Queens Blvd Line (E/F/R/G/V) to 179 St.

The Crosstown (G) line.

The B1 and B2 divisions were merged to a great extent by the 1960's era Chrystie St. Connection, which gave the 6th and 8th Ave. IND lines direct access to the Manhattan Bridge and the entire BMT Southern Division. But even earlier the BMT Broadway (Manhattan) line was connected to the IND Queens Blvd line, and the IND 6th and 8th Ave lines were connected via the Rutgers St. tunnel (F) to the Culver line, and the Culver line was connected to the Crosstown (G) line. The IND E line was also extended by way of the Archer Ave. subway from the Queens Blvd. line to run atop the J to its BMT terminal at Parsons-Archer, but there are no track connections (they just run on two separate levels). Finally, the 63rd. St. connector allows both Broadway and 6th Ave trains to access the IND Queens Blvd. line, and will eventually connect to the 2nd Ave. subway.


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