The 168th Street station is an underground New York City Subway station complex shared by the IRT Broadway–Seventh Avenue Line and IND Eighth Avenue Line. It is located at the intersection of 168th Street and Broadway in the Washington Heights neighborhood of Manhattan and served by the 1 and A trains at all times, and the C train at all times except late nights.

The IRT Broadway–Seventh Avenue Line is a New York City Subway line. It is one of several lines that serves the A Division, stretching from South Ferry in Lower Manhattan north to Van Cortlandt Park–242nd Street in Riverdale, Bronx. The Brooklyn Branch, known as the Wall and William Streets Branch during construction, from the main line at Chambers Street southeast through the Clark Street Tunnel to Borough Hall in Downtown Brooklyn, is also part of the Broadway–Seventh Avenue Line. The IRT Broadway–Seventh Avenue Line is the only line to have elevated stations in Manhattan, with two short stretches of elevated track at 125th Street and between Dyckman and 225th Streets.