College of San Mateo is serviced by the 250 and 260 SamTrans lines (please note that these lines sometimes have limited service to CSM).
The nearest Caltrain station is located at Hillsdale and El Camino Real. Once arriving at the Hillsdale Station, transfer to the SamTrans 250 line at Hillsdale Mall to come up to the campus.
Alternately, riders can transfer to the SamTrans 260 line at either the Belmont Caltrain Station (El Camino Real and Ralston Blvd) or the San Carlos Caltrain Station (El Camino Real and San Carlos Ave).
Online Trip Planning
511.org provides online trip planning using Bay Area public transit systems.