The 3-7 Avenue Express is part of the New York Subway's IRT division. Operating from 148 Street in Harlem in Manhattan to New Lots Avenue in East New York, Brooklyn, the 3 shares much of its route with the 2.
There is no late night (12 midnight-6 am) service. Riders can take a shuttle bus from 148 Street for a transfer to the 2.
See also: 2-7 Avenue Express.
