SFO AirTrain
The AirTrain is a 24-hour automated people mover with frequent departures at SFO to transfer between the terminals and their garages, among other locations in the airport.
Transfer easily between terminals and parking garages with the AirTrain.
To complete a lap takes only minutes between stops.
Routes
Given the circular structure of SFO Airport, AirTrain operates a couple of lines:
Red Line
The Red Line connects all terminals, the terminal garages and the BART Station.
Blue Line
The Blue Line connects the Rental Car Center, the terminals, its garages and the BART Starton.
Location
International Terminal
AirTrain stations are located close to Gates A and G.
International Garages A and G
Level 7.
Domestic Terminals 1, 2 and 3
Level 3, across the passenger Skybridge.
Domestic Parking Garage
Level 5.
Please note that the Long-Term Parking facilities at SFO are not served by the AirTrain.
Connections
From the AirTrain passengers can connect to BART at Garage G AirTrain / BART Station stop.
On the other hand, Caltrain is accessible by taking BART to Millbrae Station.