Cathedral Parkway–110th Street is a local station on the IRT Broadway–Seventh Avenue Line of the New York City Subway. Located at the intersection of 110th Street (Cathedral Parkway) and Broadway in Morningside Heights, Manhattan, it is served by the 1 train at all times.HistoryOperation of the first subway began on October 27, 1904, with the opening of the original 28 stations of the New York City Subway from City Hall to 145th Street on the West Side Branch including the 110th Street station.In 1948, platforms on the IRT Broadway–Seventh Avenue Line from 103rd Street to 238th Street were lengthened to 514 feet to allow full ten-car express trains to platform. Previously the stations could only platform six car local trains. The platform extensions were opened in stages. On April 6, 1948, the stations from 103rd Street to Dyckman Street had their platform extensions opened, with the exception of the 125th Street, which had its extension opened on June 11, 1948.
