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Routes & Schedules

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

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Fares & Passes

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

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Apps & Tools for Riding

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

Our Services

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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

News

Keolis Expands with New Contract in Contra Costa County May 29, 2026

Keolis Expands North American Footprint in California with New Contract to Partner with Tri Delta Transit in Contra Costa County With this New Contract, Keolis will Operate Five Transit Contracts…
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…
All News

Board Meetings

Jul 22
Board Meeting

4pm - Cancelled

Aug 26
Board Meeting

4pm

All Meetings

Events

Jul 14
Tri Delta Transit Town Hall Meeting regarding August 9th Schedule change.

10am

All Events

We are Hiring!

Be on the road to a great new career today! Click here for our current available positions.

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Get notified about schedule changes, detours, procurements, job opportunities, events, and more.

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ECCTA allows for bid/proposal submission through BidExpress. Vendors must register with BidExpress before participating. Registration for ECCTA solicitations is free.
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Tri Delta Transit loves our riders and the communities we serve. Visit our store to purchase Tri Delta Transit and community gear. It’s fun.
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We love to hear from our customers.
Please give us a call or email us and let us know how we are doing.

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HAPPY NATIONAL SWIMMING POOL DAY! 🏊🏼🛟
Have a blast this National Swimming Day cool off, stay safe & have a splashing good time! 🌊🚍

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HAPPY NATIONAL SWIMMING POOL DAY! 🏊🏼🛟 Have a blast this National Swimming Day cool off, stay safe & have a splashing good time! 🌊🚍

HAPPY NATIONAL SWIMMING POOL DAY! 🏊🏼🛟
Have a blast this National Swimming Day cool off, stay safe & have a splashing good time! 🌊🚍 ...

Want FREE bus passes for your Contra Costa County student to start the school year?

Apply now for two 20-Ride Passes from Tri Delta Transit while supplies last. You can request passes for up to two students per household. To learn more and apply, visit 511.ccta.ca.gov or follow the link in our bio.

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Want FREE bus passes for your Contra Costa County student to start the school year? Apply now for two 20-Ride Passes from Tri Delta Transit while supplies last. You can request passes for up to two students per household. To learn more and apply, visit 511.ccta.ca.gov or follow the link in our bio.

Want FREE bus passes for your Contra Costa County student to start the school year?

Apply now for two 20-Ride Passes from Tri Delta Transit while supplies last. You can request passes for up to two students per household. To learn more and apply, visit 511.ccta.ca.gov or follow the link in our bio. ...

ALERT -

Tri Delta Transit will be holding a TOWN HALL MEETING on Tuesday, July 14th from 10:00 am – Noon at Denny’s, 4823 Lone Tree Way, Antioch in the banquet hall to answer questions and provide information on our August 9th service changes due to the fiscal cliff impact.

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ALERT - Tri Delta Transit will be holding a TOWN HALL MEETING on Tuesday, July 14th from 10:00 am – Noon at Denny’s, 4823 Lone Tree Way, Antioch in the banquet hall to answer questions and provide information on our August 9th service changes due to the fiscal cliff impact.

ALERT -

Tri Delta Transit will be holding a TOWN HALL MEETING on Tuesday, July 14th from 10:00 am – Noon at Denny’s, 4823 Lone Tree Way, Antioch in the banquet hall to answer questions and provide information on our August 9th service changes due to the fiscal cliff impact. ...

🎂🎉Happy Birthday Board Member Shannon Shaw🎂🎉
Thank you for all you do for Tri Delta Transit, The community, and the County!

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🎂🎉Happy Birthday Board Member Shannon Shaw🎂🎉 Thank you for all you do for Tri Delta Transit, The community, and the County!

🎂🎉Happy Birthday Board Member Shannon Shaw🎂🎉
Thank you for all you do for Tri Delta Transit, The community, and the County! ...