area service area alameda san mateo and santa clara counties service type bus service routes 2 operator mv transportation website dumbartonexpress.com dumbarton express is a regional public transit service in the san francisco bay area connecting alameda san mateo and santa clara counties via the dumbarton bridge . the transbay bus service is provided under a consortium of five transit operators ac transit bart samtrans union city transit and vta . dumbarton express is administered by ac transit . it was also operated by ac transit through 16 december 2011 ; mv transportation assumed operations effective 19 december 2011 . ac transit also operates bus service across the dumbarton bridge on route u which connects fremont bart and stanford university . 1 route u is not part of the dumbarton express system . contents 1 service area 1.1 hubs 1.2 routes 2 fares and transfer policies 2.1 fares 2.2 transfers and passes 3 see also 4 references 5 external links service area edit dumbarton express serves the cities of menlo park newark palo alto and union city . 2 hubs edit service is provided to two major transit hubs palo alto caltrain union city bart . routes edit as of 12 december 2012 dumbarton express operates two bus lines . 3 route terminals days of operation cities and communities served connecting rail station s schedule information east bay peninsula db union city bart stanford oval weekdays including middays union city newark menlo park palo alto union city bart palo alto caltrain route db schedule db1 union city bart stanford research park deer creek & page mill weekdays commute only union city newark palo alto union city bart route db1 schedule dumbarton express has an open door policy that allows local service in the east bay and peninsula . 4 fares and transfer policies edit fares edit fares can be paid with cash exact change only and clipper cards . 4 fare category local one way transbay one way transbay one way upgrade from local fare adult 2.10 4.20 2.10 youth 5 17 1.05 2.10 1.05 senior 65 disabled and medicare 1.05 2.10 1.05 note local travel is within the east bay or peninsula ; transbay travel is across the dumbarton bridge . transfers and passes edit dumbarton express accepts transfers and passes from several connecting transit agencies for full or partial fare . 4 vta express eco passes and ac transit transbay 31 day passes are accepted as full transbay fare . the following are accepted as full local fare or partial transbay fare ac transit local 31 day passes caltrain monthly passes samtrans monthly passes union city transit passes vta day or monthly passes bart to bus transfers are accepted as full local fare but not as partial transbay fare . as of 1 january 2013 bart plus tickets are not accepted . transfers issued by dumbarton express are valid for 2 hours and are accepted by ac transit samtrans union city transit and vta . union city transit has a 0.25 surcharge payable on board union city transit . transfers to samtrans are valid only for passengers using clipper cards . see also edit list of ac transit routes serving the dumbarton bridge references edit maps and schedules ac transit . actransit.org . http www.actransit.org pdf maps version 17 db.pdf ac transit bus line descriptions . actransit.org . a b c fares and passes archived may 18 2014 at the wayback machine . external links edit the dumbarton express v t e public transit in the san francisco bay area rail ace stockton san jose airtrain sfo bart california zephyr chicago emeryville caltrain san francisco gilroy capitol corridor auburn san jose coast starlight seattle los angeles muni metro e f cable cars san francisco san joaquins oakland sacramento bakersfield smart san rafael santa rosa vta light rail silicon valley ferry angel island tiburon ferry blue & gold fleet golden gate ferry san francisco bay ferry red & white fleet major bus ac transit western alameda and contra costa counties county connection central contra costa county fast central solano county golden gate transit marin and sonoma counties san francisco muni san francisco samtrans san mateo county san francisco santa rosa citybus soltrans southern solano county sonoma county transit tri delta transit eastern contra costa county vine transit napa county vta santa clara county wheels southeastern alameda county minor bus alliance san mateo county bayhill shuttle san bruno bear transit uc berkeley dumbarton express union city palo alto emery go round emeryville estuary crossing shuttle healdsburg transit stanford marguerite shuttle marin transit petaluma transit presidigo shuttle rio vista delta breeze san leandro links sfsu shuttle union city transit vacaville city coach westcat western contra costa county regional bus amtrak thruway motorcoach california shuttle bus san francisco los angeles greyhound highway 17 express san jose santa cruz lake transit lake county napa valley megabus mendocino transit mendocino county santa rosa max modesto dublin pleasanton san benito transit san jose hollister san joaquin rtd san joaquin county santa clara alameda counties yolobus yolo county vacaville entities all nighter bay area rapid transit district clipper golden gate bridge highway and transportation district market street railway marin commute club mtc sfmta solano express spare the air major stations 4th & king 12th st. city center 19th st. balboa park bay fair berkeley downtown berkeley civic center oakland coliseum cloverdale concord cotati daly city diridon station dublin pleasanton el cerrito del norte embarcadero emeryville ferry building fremont fremont centerville gilroy great america hayward hercules hillsdale jack london square larkspur landing macarthur martinez millbrae montgomery mountain view petaluma downtown palo alto pier 41 pittsburg bay point powell richmond richmond parkway san rafael santa clara santa rosa santa rosa railroad sq. sfo sf state tamien tasman transbay transit center union city vallejo station walnut creek west portal windsor historical services airbart oakland airport berkeley branch railroad east bay electric lines e & sr richmond key system leap transit market street railway san francisco ncry sunol npc west marin ocean shore railroad western san mateo county p & sr sonoma county real mccoy rio vista richmond san rafael ferry company richmond san francisco ferry san francisco and alameda railroad sf & np sonoma county sf & sm san francisco san mateo san francisco and oakland railroad solano carquinez strait historical stations third and townsend depot oakland 16th street station alameda mole alameda terminal berkeley station danville depot oakland long wharf richmond ferry terminal transbay terminal retrieved from https en.wikipedia.org w index.php title dumbarton express & oldid 699497858 categories bus transportation in californiapublic transportation in alameda county californiapublic transportation in santa clara county californiahidden categories articles with wayback 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