October 2, 2012 > Commuter train service expanded Commuter train service expanded Submitted By Thomas W. Reeves, ACE Two new trips will be added to the Altamont Commuter Express (ACE) schedule on October 1, 2012, offering new alternatives for leisure travelers and commuters between the San Joaquin and Tri-Valley areas and San Jose. The new schedule calls for a later westbound trip in the morning and a later eastbound trip in the evening. Westbound: Leaving Stockton at 7:05 a.m. arriving in San Jose at 9:17 a.m. Eastbound: Leaving San Jose at 6:38 p.m. arriving in Stockton at 8:50 p.m.