Lexington Avenue-51st Street is a New York City Subway station complex shared by the IRT Lexington Avenue Line and the IND Queens Boulevard Line. Located between Lexington and Third Avenues and between 51st and 53rd Streets in East Midtown Manhattan, it is served by: * 6 and E trains at all times * 4 trains during late nights * V trains on weekdays The passageway connecting the Lexington Avenue Line and Queens Boulevard Line stations was added in 1989.