The 181st Street station is a station on the IND Eighth Avenue Line of the New York City Subway. It is located beneath Fort Washington Avenue in the Hudson Heights section of the Washington Heights neighborhood, between 181st and 184th Streets. The station is served by the A train at all times.

The 191st Street station is a station on the IRT Broadway–Seventh Avenue Line of the New York City Subway. Located at the intersection of St. Nicholas Avenue and 191st Street in the Washington Heights neighborhood of Manhattan, it is served by the 1 train at all times. It is the deepest station in the New York City Subway system at about 173 feet (53 m) below street level. Access to the station's main entrance is only provided by four elevators from the mezzanine situated above the platforms. A 1,000-foot-long (300 m) pedestrian tunnel also extends west from the station to Broadway, connecting it with the Fort George neighborhood.