There are numerous mass transit options available for your trip to
Oakland Coliseum is accessible by the Bay Area Rapid Transit system (BART). Taking BART you can directly enter the Coliseum Complex from the BART Station/Coliseum ramp. AC Transit provides public bus service to Oakland Coliseum from its many locations.
Ditch the traffic and parking hassles, and hop aboard the Capitol Corridor train for a comfortable and convenient ride straight to Oakland Coliseum.
Fans can receive 25% off their Capitol Corridor tickets to A's games when booking at a QUIK-TRAK machine in 2016 : V635