This traditional commuter rail line runs along the Peninsula into Silicon Valley , from San Francisco to San Jose with limited continuing service to Gilroy. CalTrain (www.caltrain.com , fares vary $2.25–11/one-way) “Baby Bullet” trains can get you from San Jose to San Francisco in under an hour during commuter hours.
Extra trains are often added for San Francisco Giants , San Francisco 49ers , and San Jose Sharks games.
You must purchase a ticket in advance at the vending machines in all stations, or get your 10-ride card stamped before you board a train. The San Francisco main CalTrain station sits at the corner of 4th Street and King Street, within walking distance of AT&T Park and Moscone Center.