Lexington Avenue, often colloquially abbreviated as "Lex," is an avenue on the East Side of the borough of Manhattan in New York City that carries southbound one-way traffic from East 131st Street to Gramercy Park at East 21st Street. Along its , 110-block route, Lexington Avenue runs through Harlem, Carnegie Hill, the Upper East Side, Midtown, and Murray Hill to a point of origin that is centered on Gramercy Park. South of Gramercy Park, the axis continues as Irving Place from 20th Street to East 14th Street.
Lexington Avenue – 63rd Street (63rd Street Lines)
Lexington Avenue – 63rd Street is a two-level New York City Subway station shared by the IND and BMT 63rd Street Lines. Located at the intersection of Lexington Avenue and 63rd Street, it is served by the train at all times. Downtown and Brooklyn-bound trains use the upper level, and Queens-bound trains use the lower level.