Yes, it does - It stops at 42nd Street and 5th/6th Ave (Avenue of the Americas) which is Bryant Park.
Yes, the A train stops at the Port Authority Bus Terminal. All three of the trains on the blue line (the A, the C and the E) stop at 42nd Street-Port Authority Bus Terminal. There is also an underground tunnel connecting the 42nd Street-Port Authority stop on the A-C-E line to the 42nd Street-Times Square Station (since the A-C-E runs up and down 8th Avenue, while the Times Square Station is at 7th Avenue), so you can walk underground from the 42nd Street-Port Authority Station to the 42nd Street-Times Square Station, without exiting the subway system.
Take the Manhattan-bound 7 train (the purple line), 1 stop, from 42nd Street-Grand Central to 42nd Street-Bryant Park. Transfer at Bryant Park to the M.Or, walk 4 blocks west on 42nd Street from Grand Central (at Lexington Avenue) to 6th Avenue, and get on the subway at 42nd Street-Bryant Park.
The last stop on the Downtown D train is Coney Island-Stillwell Avenue.
Take the Uptown 1-2-3 (the red line), 1 stop, from 34th Street-Penn Station to 42nd Street-Times Square.Transfer at 42nd Street-Times Square to the Uptown 7train (the purple line). Take the Uptown 7 from the beginning of the line (42nd Street-Times Square) to the end of the line, Flushing-Main Street (at Roosevelt Avenue).
Take the 7 train at 42nd Street - Bryant Park station (7, B, D, F, M) to Times Square -42nd Street and walk to the Port Authority Bus Terminal within the same station but do not leave the turnstiles.
Either exit the subway and walk 3 to 4 blocks east to Grand Central (between Park and Lexington Avenues), or, transfer at 42nd Street-Bryant Park to the Uptown 7 train (the purple line), 1 stop, from 42nd Street-Bryant Park to 42nd Street-Grand Central.
Any Metronorth train that ends at Grand Central puts you on 42nd Street. Grand Central Station is on 42nd Street between Park and Lexington Avenues.
It depends on where on 42nd Street you're coming from, but, the N and R trains (of the N-R-Q-W, the yellow line) stop at 28th Street and Broadway.If you're starting out from West 42nd Street, then you can get the Downtown N or R at 42nd Street-Times Square (at 7th Avenue).If you're starting out from East 42nd Street, then you can take the S shuttle train (color grey) west across 42nd Street, from 42nd Street-Grand Central Station (at Lexington Avenue) to Times Square. Then transfer at Times Square to the Downtown N or R.If you're starting out from the middle of 42nd Street, then you can take the Downtown B-D-F-M (the orange line), one stop, from 42nd Street-Bryant Park (at 6th Avenue) to 34th Street-Herald Square. Then transfer at Herald Square to the Downtown N or R, one stop, to 28th Street.
Take the Uptown 6 train (of the 4-5-6, the dark green line) from 23rd Street (at Park Avenue South, which is Park Avenue below 34th Street) to 42nd Street-Grand Central Station. At Grand Central Station, get the Manhattan-bound 7 train (the purple line), one stop, to 42nd Street-5th Avenue.This station is connected to the 42nd Street-Bryant Park Station (at 42nd Street and 6th Avenue) on the B-D-F-M, the orange line. So you can either exit at 42nd Street and 5th Avenue, and walk one block west above ground, or walk through the tunnel that connects the two stations, and exit at 42nd and 6th.
To travel from JFK Airport to the Bronx, you can take the AirTrain to Jamaica Station and transfer to the subway. From Jamaica Station, take the E train towards Manhattan and transfer to the D train at 42nd Street - Port Authority Bus Terminal. The D train will take you to the Bronx.
Almost every New York City subway line stops at 42nd Street:The A-C-E (the blue line) to 42nd Street-Port Authority Bus Terminal, at 42nd Street and 8th Avenue (transfer available to the 42nd Street-Times Square Station)The 1-2-3 (the red line) to 42nd Street-Times Square, at 42nd Street and 7th AvenueThe N-R-Q (the yellow line) to 42nd Street-Times Square, at 42nd Street and 7th AvenueThe 7 train (the purple line) to 42nd Street-Times Square, at 42nd Street and 7th Avenue, OR 42nd Street-5th Avenue (transfer available to the 42nd Street-Bryant Park Station), OR 42nd Street-Grand Central Station, at 42nd Street and LexingtonThe B-D-F-M (the orange line) to 42nd Street-Bryant Park, at 42nd Street and 6th AvenueThe 4-5-6 (the dark green line) to 42nd Street-Grand Central Station, at 42nd Street between Park and Lexington Avenues
Take the S shuttle train (color grey) west across 42nd Street, from 42nd Street-Grand Central Station to 42nd Street-Times Square. If the shuttle isn't running, you can take the Downtown 7 train (the purple line) instead.Transfer at 42nd Street-Times Square to the Uptown 1train (of the 1-2-3, the red line), 1 stop, from 42nd Street-Times Square to 50th Street (at 7th Avenue).