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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

Aug 26
Board Meeting

4pm

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Events

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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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They can’t find their way home. 🥺

But we can help.

Lost something on a Tri Delta Transit bus? Check with Lost & Found. 💔

Call us at: 925-754-6622 and ask for Lost and Found

#TriDeltaTransit #LostAndFound #transit #bayareatransit

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They can’t find their way home. 🥺 But we can help. Lost something on a Tri Delta Transit bus? Check with Lost & Found. 💔 Call us at: 925-754-6622 and ask for Lost and Found #TriDeltaTransit #LostAndFound #transit #bayareatransit

They can’t find their way home. 🥺

But we can help.

Lost something on a Tri Delta Transit bus? Check with Lost & Found. 💔

Call us at: 925-754-6622 and ask for Lost and Found

#TriDeltaTransit #LostAndFound #transit #bayareatransit ...

TRI DELTA TRANSIT TAKES YOU PLACES! 🚍
CONTRA COSTA CARES YOUTH JOB FAIR✍🏼📚💼👔
💫We`re proud to support our youth as they hop on the path of success with just a ride away towards a new future you don`t want to miss! 💫
-🚌 Take route 370 EB Toward Antioch BART & walk 3 mins to destination
-📆 8/22/2026
-⏰ 8:00 AM - 2:00 PM
-📍Antioch High School
700 W 18th Street Antioch, CA 94509

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TRI DELTA TRANSIT TAKES YOU PLACES! 🚍 CONTRA COSTA CARES YOUTH JOB FAIR✍🏼📚💼👔 💫We're proud to support our youth as they hop on the path of success with just a ride away towards a new future you don't want to miss! 💫 -🚌 Take route 370 EB Toward Antioch BART & walk 3 mins to destination -📆 8/22/2026 -⏰ 8:00 AM - 2:00 PM -📍Antioch High School 700 W 18th Street Antioch, CA 94509

TRI DELTA TRANSIT TAKES YOU PLACES! 🚍
CONTRA COSTA CARES YOUTH JOB FAIR✍🏼📚💼👔
💫We`re proud to support our youth as they hop on the path of success with just a ride away towards a new future you don`t want to miss! 💫
-🚌 Take route 370 EB Toward Antioch BART & walk 3 mins to destination
-📆 8/22/2026
-⏰ 8:00 AM - 2:00 PM
-📍Antioch High School
700 W 18th Street Antioch, CA 94509 ...

TRI DELTA TRANSIT TAKES YOU PLACES! 🚍
CONTRA COSTA CARES YOUTH JOB FAIR✍🏼📚💼👔
Hop on the path of a success with just a ride away towards your future you don`t want to miss! 💫
-🚌 Take route 370 Towards Pittsburg / Bay Point BART
-📆 8/22/2026
-⏰ 8:00 AM - 2:00 PM
-📍Antioch High School
700 W 18th Street Antioch, CA 94509

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TRI DELTA TRANSIT TAKES YOU PLACES! 🚍 CONTRA COSTA CARES YOUTH JOB FAIR✍🏼📚💼👔 Hop on the path of a success with just a ride away towards your future you don't want to miss! 💫 -🚌 Take route 370 Towards Pittsburg / Bay Point BART -📆 8/22/2026 -⏰ 8:00 AM - 2:00 PM -📍Antioch High School 700 W 18th Street Antioch, CA 94509

TRI DELTA TRANSIT TAKES YOU PLACES! 🚍
CONTRA COSTA CARES YOUTH JOB FAIR✍🏼📚💼👔
Hop on the path of a success with just a ride away towards your future you don`t want to miss! 💫
-🚌 Take route 370 Towards Pittsburg / Bay Point BART
-📆 8/22/2026
-⏰ 8:00 AM - 2:00 PM
-📍Antioch High School
700 W 18th Street Antioch, CA 94509 ...

RIDER ALERT

Tri Delta Transit is changing our schedule TODAY Sunday, August 9th. Please visit our website www.trideltatransit.com for details as there are changes not only to timetables, but also to what weekday and weekend routes are in operation.

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RIDER ALERT Tri Delta Transit is changing our schedule TODAY Sunday, August 9th. Please visit our website www.trideltatransit.com for details as there are changes not only to timetables, but also to what weekday and weekend routes are in operation.

RIDER ALERT

Tri Delta Transit is changing our schedule TODAY Sunday, August 9th. Please visit our website www.trideltatransit.com for details as there are changes not only to timetables, but also to what weekday and weekend routes are in operation. ...