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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

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…
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Board Meetings

Jul 22
Board Meeting

4pm

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Events

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

10am

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

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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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RIDER 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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RIDER 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.

RIDER 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. ...

Today was a GREAT day! 🥳🚍✨ We officially kicked off our new partnership with @keolisna . Together, we’re excited to keep our community moving with the safe and reliable service you count on everyday. #trideltatransit #keolis #bayareatransit

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Today was a GREAT day! 🥳🚍✨ We officially kicked off our new partnership with @keolisna . Together, we’re excited to keep our community moving with the safe and reliable service you count on everyday. #trideltatransit #keolis #bayareatransit

Today was a GREAT day! 🥳🚍✨ We officially kicked off our new partnership with @keolisna . Together, we’re excited to keep our community moving with the safe and reliable service you count on everyday. #trideltatransit #keolis #bayareatransit ...

TRI DELTA TRANSIT TAKES YOU PLACES! 🚍
Food Truck Thursdays! 🚚🥤🍴
Come out & join the community for Food Truck Thursdays which is a kid, family, and pet-friendly community event with FREE admission. In addition to all of the delicious food music & more!
Take route 375 🚌 Toward Slatten Ranch Cir & Walk 4 mins To Destination!
Date: 📆 7/2/2026-12/11/26
Time:⏰5PM- 8:00PM
Location: 📍
4703 Lone Tree Way, Antioch CA 94531

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TRI DELTA TRANSIT TAKES YOU PLACES! 🚍 Food Truck Thursdays! 🚚🥤🍴 Come out & join the community for Food Truck Thursdays which is a kid, family, and pet-friendly community event with FREE admission. In addition to all of the delicious food music & more! Take route 375 🚌 Toward Slatten Ranch Cir & Walk 4 mins To Destination! Date: 📆 7/2/2026-12/11/26 Time:⏰5PM- 8:00PM Location: 📍 4703 Lone Tree Way, Antioch CA 94531

TRI DELTA TRANSIT TAKES YOU PLACES! 🚍
Food Truck Thursdays! 🚚🥤🍴
Come out & join the community for Food Truck Thursdays which is a kid, family, and pet-friendly community event with FREE admission. In addition to all of the delicious food music & more!
Take route 375 🚌 Toward Slatten Ranch Cir & Walk 4 mins To Destination!
Date: 📆 7/2/2026-12/11/26
Time:⏰5PM- 8:00PM
Location: 📍
4703 Lone Tree Way, Antioch CA 94531 ...

So much fun being at Los Medanos College Pittsburg for the Free for All LMC student event. We are telling students about the August 9th schedule change, Youth Ride Free and more. Hi to Alena who has been a rider for years.

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So much fun being at Los Medanos College Pittsburg for the Free for All LMC student event. We are telling students about the August 9th schedule change, Youth Ride Free and more. Hi to Alena who has been a rider for years.

So much fun being at Los Medanos College Pittsburg for the Free for All LMC student event. We are telling students about the August 9th schedule change, Youth Ride Free and more. Hi to Alena who has been a rider for years. ...