Bx7, Bx20, and M100 buses

The Broadway-Kingsbridge Line is a public transit line in Manhattan, running primarily along Broadway in Upper Manhattan. Originally a streetcar line, it is now the Bx7, Bx20 and M100 bus routes, all operated by MaBSTOA as a subdivision of MTA Regional Bus Operations.

Route description and service

Streetcar line

The Broadway-Kingsbridge Line, operated by the Third Avenue Railway, ran from Third Avenue and East 125th Street, running west on 125th Street, north on Amsterdam Avenue, northwest on St. Nicholas Avenue, and northwest on Broadway to 225th Street in Marble Hill. The line ran under the designation "K".

Current bus service

The M100 begins at St. Nicholas Avenue and 125th Street, running west on 125th Street until Amsterdam Avenue, where it turns north until reaching St. Nicholas Avenue, where it runs northwest on until it reaches 168th Street, where it is joined by the Bx7. Together, both routes continue north onto Broadway until reaching Dyckman Street, where between here and 218th Street, the Bx7 continues north on Broadway whereas the M100 heads southeast on Dyckman Street to serve 10th Avenue and continue north on it from there. At Broadway and 207th Street, the Bx7 is joined by the Bx20, and both continue north on Broadway until 218th Street, where 10th Avenue merges into Broadway and the three routes run together for two blocks before the M100 terminates at 220th Street, with southbound buses looping on 9th Avenue to return to 10th Avenue at 215th Street, passing by Kingsbridge Depot, which all three routes are based out of.