The 42nd Street–Port Authority Bus Terminal station is an express station on the IND Eighth Avenue Line of the New York City Subway. Located at the intersection of 42nd Street and Eighth Avenue in Manhattan, it is served by the A and E trains at all times, and by the C train at all times except late nights. Passageways connect this station to the nearby station at Times Square–42nd Street, providing a free transfer, and to the Port Authority Bus Terminal.
The 42nd Street station was built as an express station for the Independent Subway System (IND)'s Eighth Avenue Line. The station opened on September 9, 1932, as part of the initial section of the Eighth Avenue Line.