There are numerous mass transit options available for your trip to O.co Coliseum.
O.co 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 O.co 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 O.co Coliseum.
Fans can receive 25% their Capitol Corridor tickets to A's games with this code for 2015: V621