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Welcome to CCCTA Bus Tracker...

Your source for updated arrival information for selected bus routes.

bus location map

You can also access a "Street View" from this map where you can set a pop-up alert to notify you when a bus reaches a given stop.

Learn more

A note about delays...
If a bus is delayed due to an unusual event (such as a reroute, incident, or equipment problem), the arrival predictions may remain the same or may even increase for that bus. In the event that a bus stops transmitting data to our servers, it will not appear on this Web site, even though it is in service.

Questions or Comments?
CCCTA welcomes your comments regarding Bus Tracker. Please e-mail

You can also contact CCCTA Customer Service at (925) 676-7500.

Questions about cell phone or PDA access to Bus Tracker?  Click here.

Use Bus Tracker in the following languages:

English   EspaƱol