14th Street–Union Square is a New York City Subway station complex shared by the BMT Broadway Line, the BMT Canarsie Line and the IRT Lexington Avenue Line. It is located at the intersection of Fourth Avenue and 14th Street, underneath Union Square in Manhattan. The complex sits on the border of several neighborhoods, including the East Village to the southeast, Greenwich Village to the south and southwest, Chelsea to the northwest, and both the Flatiron District and Gramercy Park to the north and northeast. The 14th Street–Union Square station is served by the , , , , and trains at all times; the and trains at all times except late nights; the W train on weekdays; and 6d (New York City Subway service) train weekdays in the peak direction.