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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.

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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

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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Board Meetings

May 27
Board Meeting

4pm

Jun 24
Board Meeting

4pm

All Meetings

Events

May 14
County Fair

12pm

May 16
STEM In-Living Color FREE event – Come see Tri Delta Transit and more!

11am

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.

Follow Us on Social Media!

Tri Delta Transit was excited to be at the Brentwood Senior Health and Resource Fair today. Manager of Accessible Services Myeisha and intern Kaniya had lines to educate seniors about transportation options. What a great event! Thank you Brentwood and thank you team.

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Tri Delta Transit was excited to be at the Brentwood Senior Health and Resource Fair today. Manager of Accessible Services Myeisha and intern Kaniya had lines to educate seniors about transportation options. What a great event! Thank you Brentwood and thank you team.

Tri Delta Transit was excited to be at the Brentwood Senior Health and Resource Fair today. Manager of Accessible Services Myeisha and intern Kaniya had lines to educate seniors about transportation options. What a great event! Thank you Brentwood and thank you team. ...

It`s opening day at the Antioch County Fair!

Take Route 370 and 371 and take a short walk to the Fair. Visit our booth near the entrance to pick up some cool swag - and tell us what you like about riding Tri Delta Transit!

We`re wild about the Fair and hope you are too! See you there.

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It's opening day at the Antioch County Fair! Take Route 370 and 371 and take a short walk to the Fair. Visit our booth near the entrance to pick up some cool swag - and tell us what you like about riding Tri Delta Transit! We're wild about the Fair and hope you are too! See you there.

It`s opening day at the Antioch County Fair!

Take Route 370 and 371 and take a short walk to the Fair. Visit our booth near the entrance to pick up some cool swag - and tell us what you like about riding Tri Delta Transit!

We`re wild about the Fair and hope you are too! See you there. ...

Bike to Wherever Day is here 🚲🚌

Not sure how to load your bike on the bus? We’ve got you covered with a quick and easy how-to so you can ride with confidence.

Rack it. Ride it. Let’s go. @511ccta #BikeToWhereverDay #BikeAndRide #RideTriDeltaTransit #biketowork #bayareatransit #transit #bayarea

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Bike to Wherever Day is here 🚲🚌 Not sure how to load your bike on the bus? We’ve got you covered with a quick and easy how-to so you can ride with confidence. Rack it. Ride it. Let’s go. @511ccta #BikeToWhereverDay #BikeAndRide #RideTriDeltaTransit #biketowork #bayareatransit #transit #bayarea

Bike to Wherever Day is here 🚲🚌

Not sure how to load your bike on the bus? We’ve got you covered with a quick and easy how-to so you can ride with confidence.

Rack it. Ride it. Let’s go. @511ccta #BikeToWhereverDay #BikeAndRide #RideTriDeltaTransit #biketowork #bayareatransit #transit #bayarea ...