50th Street was a station on the demolished IRT Sixth Avenue Line. It had two tracks and two side platforms. It was served by trains from the IRT Sixth Avenue Line. It closed on December 4, 1938. The next southbound stop was 42nd Street. For some trains, the next northbound stop was 58th Street Terminal until 1924, while for other trains, the next northbound stop was Eighth Avenue. For express trains, the next northbound stop was 66th Street on Ninth Avenue. Two years after the station closed, it was replaced two years later by the underground 47thβ50th Streets β Rockefeller Center (IND Sixth Avenue Line) subway station.