Alameda-Contra Costa Transit

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AC Transit is a major bus system serving the western side of Costa Costa and Alameda counties. It serves the cities of Oakland, Alameda, Albany, Berkeley, El Cerrito, Emeryville, Fremont, Hayward, Newark, Piedmont, Richmond, San Pablo, San Leandro and Union City.

In addition to local service, AC Transit also operates Transbay buses on the Bay Bridge to San Francisco, as well as on the San Mateo – Hayward Bridge and the Dumbarton Bridge to the Peninsula. Most AC Transit bus routes connect with BART.

AC Transit web site

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Bus routes full listing
Fleet info, service change list

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Accessibility information

Customer service

511 and say AC Transit (Bay Area only)
(510) 839-2931
(510) 477-0192 (south Alameda County)
(800) 448-9790
1600 Franklin Street
Oakland, CA 94612
Online contact form
Customer Service Center
Oakland: 1600 Franklin Street (ground floor), Oakland, CA 94612
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