126th Street, formerly Surface Transit depot, and acquired by the NYCTA (not MaBSTOA) in 1962, had the following routes
M1 Madison-Chambers
M3 49 and 50 Streets Crosstown
M7 65 Street Crosstown
M11 York Avenue
M12 86 Street Crosstown
M13 First Avenue
M14 First & Second Avenues
M15 Second Avenue
The M1, M3, & M7 originally operated by Comprehensive Omnibus. The M11, M12, M13, M14, M15 originally operated by East Side Omnibus. Both taken over by the city in 1948.
Comprehensve and East Side operated the services using mostly Mack buses with wide front doors. They did obtain six GM TD-4506 in 1946, fleet numbers701-703 and 320-322.