WestCAT | 511 Contra Costa


WestCAT is a transit agency serving western Contra Costa County, which provides local, express, and regional transit service to the cities of Pinole and Hercules and the unincorporated communities of Montalvin Manor, Tara Hills, Bayview, Rodeo, Crockett, and Port Costa.


  • WestCAT Lynx Bus to San Francisco
  • Local Bus
  • ADA Paratransit
  • Senior Dial-a-Ride
  • Express Bus to BART
  • Early Bird Service

Discounts & Special Offers

WestCAT Lynx 31-Day Transbay Pass Offer: Buy one Lynx 31-Day Transbay Pass, get one free

Try Transit $20 Clipper Card Offer: Pledge to try transit as an alternative to driving alone to work or campus and receive a pre-loaded $20 Clipper card

Bikes on Buses

All WestCAT local fixed route, express, and Lynx buses are equipped with bike racks, which will accommodate up to 2 bicycles on a first-come, first-served basis. Learn how to load and unload your bike from bus racks.

Secure bike lockers are available for long-term parking at both the Hercules Transit Center and at El Cerrito del Norte BART stations. These lockers, managed by BikeLink, cost 3 to 5 cents per hour.

WestCAT News