The N operates at all times between Ditmars Boulevard in Astoria, Queens, and Coney Island–Stillwell Avenue in Coney Island, Brooklyn via the BMT Astoria Line in Queens, Broadway Line in Manhattan, the south side of the Manhattan Bridge, and the BMT Fourth Avenue Line and BMT Sea Beach Line in Brooklyn. North of 57th Street, limited rush hour service operates via the Second Avenue Subway, originating and terminating at 96th Street in the Upper East Side, Manhattan, instead of Ditmars Boulevard.