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Find all the information, maps and schedules for our fixed route service.

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Exact fare not required on fixed route buses. Farebox on fixed route buses can issue credit tickets for overpayment.

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There’s an app for that! Tri Delta Transit recommends several mobile apps for ease of travel and a great rider experience.

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Exact fare recommended, but not required, on fixed route buses. Farebox on fixed route buses can issue credit tickets for overpayment.
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Tri MyRide is an on-demand, corner-to-corner, shared shuttle service. Take trips that start and end anywhere within the service area. Get started by downloading the app available on Apple and Andriod.
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If you are 65 years of age or older, and unable to ride a fixed route bus, you are eligible for Tri Delta Transit’s Senior (Age 65+) paratransit transportation.
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Eligibility is determined on a case-by-case basis in accordance with the Americans with Disabilities Act (ADA).

Find out what's new at Tri Delta Transit

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Youth Ride Free Returns for Summer 2026 May 05, 2026

Contra Costa County, CA — Following a highly successful youth program last summer, County Connection, Tri Delta Transit, and WestCAT will continue the Youth Ride Freeprogram, offering fare-free rides on…
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May 27
Board Meeting

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Jun 24
Board Meeting

4pm

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Honor Veterans by taking part in this beautiful ceremony.

Tri Delta Transit routes that go to these locations are:
* 373 to the Oak View Memorial
* 371 to Antioch VFW
* or take the Antioch/Oakley Tri MyRide

Thank you to all who serve and all who are honored at this ceremony.

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Honor Veterans by taking part in this beautiful ceremony. Tri Delta Transit routes that go to these locations are: * 373 to the Oak View Memorial * 371 to Antioch VFW * or take the Antioch/Oakley Tri MyRide Thank you to all who serve and all who are honored at this ceremony.

Honor Veterans by taking part in this beautiful ceremony.

Tri Delta Transit routes that go to these locations are:
* 373 to the Oak View Memorial
* 371 to Antioch VFW
* or take the Antioch/Oakley Tri MyRide

Thank you to all who serve and all who are honored at this ceremony. ...

Tri Delta Transit is at the Antioch Fairgrounds for the County Fair. We are telling people anout Youth Ride Free! Just look at this cool family who stopped by.

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Tri Delta Transit is at the Antioch Fairgrounds for the County Fair. We are telling people anout Youth Ride Free! Just look at this cool family who stopped by.

Tri Delta Transit is at the Antioch Fairgrounds for the County Fair. We are telling people anout Youth Ride Free! Just look at this cool family who stopped by. ...

Tri Delta Transit is excited to be at the County Fair today and at the STEM event at Williamson Ranch Park. it’s just getting underway so come out and learn about Battery electric buses and much more! See you soon.

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Tri Delta Transit is excited to be at the County Fair today and at the STEM event at Williamson Ranch Park. it’s just getting underway so come out and learn about Battery electric buses and much more! See you soon.

Tri Delta Transit is excited to be at the County Fair today and at the STEM event at Williamson Ranch Park. it’s just getting underway so come out and learn about Battery electric buses and much more! See you soon. ...