BART (Bay Area Rapid Transit)
BART operates rapid rail service directly between SFO and northern San Mateo County. The SFO BART Station is located on the Departures/Ticketing Level of the International Terminal (Boarding Area G side). BART is easily accessed from any terminal by riding SFO's AirTrain to the Garage G/BART Station stop.
Caltrain Commuter Rail
Caltrain Commuter Rail serves communities on the Peninsula and in the South Bay, with service between San Francisco and Gilroy. BART connects SFO to the Caltrain rail system at the Millbrae Station. Weekday express trains operate between Millbrae and San Mateo, Palo Alto, Mountain View and San Jose during commute hours.
SamTrans Public Bus Service
SamTrans provides 24-hour bus service connecting SFO to San Mateo County and parts of San Francisco. Routes 292, 397 and 398 stop directly at the Airport terminals. Routes 140, 292 and 397 stop at the Rental Car Center and the United Airlines Maintenance Center.
At the terminals, SamTrans buses stop at:
Terminal 2: Arrivals/Baggage Claim Level, roadway center island
Terminal 3: Arrivals/Baggage Claim Level, curbside adjacent to Courtyard 4
International Terminal: Level 1 at Courtyard A and curbside adjacent to Courtyard G
Service is subject to change. Please call carrier or visit carrier's website for complete information.