Caltrain customers can board BART (Millbrae/SFO train) at the Millbrae station or ride BART to the San Bruno BART Station, where they will need to board another BART train headed to the airport. All passengers must purchase a BART ticket before boarding.
South Bay and Peninsula travelers can ride Caltrain to BART for a traffic-free trip to the Oakland International Airport. Caltrain customers can connect with BART at the Millbrae station, then ride BART to its Coliseum station. Take the BART shuttle train from Coliseum BART to the airport.