The 50th Street station is a bi-level station on the IND Eighth Avenue and Queens Boulevard Lines of the New York City Subway, located at 50th Street and Eighth Avenue in the Hell's Kitchen neighborhood of Manhattan. The lower level, on the Queens Boulevard Line, is served by the E train at all times, and the upper level, on the Eighth Avenue Line, is served by the C at all times except late nights and the A during late nights.

The IND Eighth Avenue Line is a rapid transit line in New York City, United States, and is part of the B Division of the New York City Subway. Opened in 1932, it was the first line of the Independent Subway System (IND); as such, New Yorkers originally applied the Eighth Avenue Subway name to the entire IND system.