Because Caltrain is based on a zone system, you have to tag your Clipper card when you enter and exit a Caltrain station so that the Clipper system can calculate the right fare.

Caltrain Monthly Pass holders only have to tag on and off for their first Caltrain ride of the month to make sure the zones on their pass match the zones they ride.


Sign up for our weekly newsletter and join the conversation on Facebook.


Check out some of our newest Blogs:

     Universal Internet Access for All San Franciscans

     Why is San Francisco So Dirty?

     SFPark – The iPhone App for Smart Parking in San Francisco

     Food Truck Rodeo Review – Off the Grid