express track rises above the other three tracks and crosses above the downtown local track approximately north of 43rd Street. The line returns to the traditional arrangement in both directions at 42nd Street–Bryant Park, with local tracks outside the express tracks. Exits The station has numerous passageways and exits, including fourteen street stairs and an elevator. There are four fare control areas along the mezzanine at 47th Street, at 48th Street, between 48th and 49th Streets, and at 49th Street. At the northern end of the station, there are passageways directly to 1251 Avenue of the Americas, 1271 Avenue of the Americas, and 30 Rockefeller Plaza. The southwest and northwest corners of Sixth Avenue and 50th Street each contain one stair. A third stair is placed within the Radio City Music Hall building on the northeast corner of that intersection. At the northwest corner of Sixth Avenue and 49th Street, within 1251 Avenue of the Americas' plaza, is a stair and an elevator. A stair within 30 Rockefeller Plaza leads to the northeast corner of that intersection. Between 48th and 49th Streets, there are two stairs within the courtyard of 1221 Avenue of the Americas on the west side of Sixth Avenue. In addition, there is a stair inside 1230 Avenue of the Americas on the east side of Sixth Avenue, as well as a passageway into that building's basement. One staircase each leads to the northeast and southeast corners of Sixth Avenue and 48th Street. At the southwest corner of that intersection, there is a staircase within the plaza of 1211 Avenue of the Americas, as well as a passageway directly to that building. The northeast, southeast, and southwest corners of Sixth Avenue and 47th Street each contain one staircase as well. The entrance on the southwest corner of 47th Street and Sixth Avenue was not opened along with the rest of the station. A passageway leads to other buildings on the west side of Sixth Avenue south of 47th Street. References External links Station Reporter — B Train 50th Street entrance from Google Maps Street View 49th Street entrance from Google Maps Street View 48th Street entrance from Google Maps Street View 47th Street entrance from Google Maps Street View Platforms from Google Maps Street View Mezzanine from Google Maps Street View IND Sixth Avenue Line stations Sixth Avenue Rockefeller Center New York City Subway stations in Manhattan