a fleet of buses in fixed-route service in New York City under the "MTA New York City Bus" (also known as New York City Transit or NYCT) and "MTA Bus" brands, both of which operate local, limited, express and Select Bus Service routes.

the surface transit division of the Metropolitan Transportation Authority.

MTA Regional Bus Operations operates local and express buses serving New York City in the United States out of 29 bus depots.

The Triborough Bridge and Tunnel Authority, doing business as MTA Bridges and Tunnels, is an affiliate agency of the Metropolitan Transportation Authority that operates seven toll bridges and two tunnels in New York City.