Metropolitan Transportation Commission

The Metropolitan Transportation Commission (MTC) is the government agency responsible for regional transportation planning and financing in the San Francisco Bay Area. It was created in 1970 by the State of California, with support from the Bay Area Council, to coordinate transportation services in the Bay Area's nine counties: Alameda, Contra Costa, Marin, Napa, San Francisco, San Mateo, Santa Clara, Solano, and Sonoma. The MTC is fourth most populous metropolitan planning organization in the United States.