Dumbarton Express
Dumbarton Express is an express bus service across the Dumbarton Bridge between Union City and Palo Alto. It is operated by AC Transit under the direction of a consortium of five transit agencies: AC Transit, BART, SamTrans, VTA, and Union City Transit.
Dumbarton Express connects with BART in Union City and Caltrain in Palo Alto.
Routes
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Fares
AC Transit fares (along with passes) apply on Dumbarton Express. Passengers riding within the East Bay or West Bay pay local fares.
In addition, Dumbarton Express accepts BART Plus tickets and Caltrain monthly pass as local fare credit.
