San Ysidro - Tijuana
Service runs hourly between San Ysidro and Downtown Tijuana. Returning riders to the United States need to get off at the border checkpoint. The checkpoint has a dedicated lane to speed through immigration and customs.
On the American side of the border, the bus also picks up riders at a parking lot by the last I-5 off ramp.
Fares: $4 one way, $6 round trip
San Diego Trolley