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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…
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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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Tri Delta Transit Celebrating Disabilities and a Happy Pride Month for all! 🏳️‍🌈🚍

#DisabilityPrideMonth #TriDeltaTransit

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Tri Delta Transit Celebrating Disabilities and a Happy Pride Month for all! 🏳️‍🌈🚍 #DisabilityPrideMonth #TriDeltaTransit

Tri Delta Transit Celebrating Disabilities and a Happy Pride Month for all! 🏳️‍🌈🚍

#DisabilityPrideMonth #TriDeltaTransit ...

Tri Delta Transit is hiring for Manager of Finance and Accounting to join our transit family.

The Director of Finance and Accounting is a key member of the Executive Leadership Team and is a strategic advisor to the CEO and the Board of Directors. This is a working leadership role.

Please find a full job description, minimum qualifications, and expected salary on https://www.trideltatransit.com/work-with-us/employment-opportunities/

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Tri Delta Transit is hiring for Manager of Finance and Accounting to join our transit family. The Director of Finance and Accounting is a key member of the Executive Leadership Team and is a strategic advisor to the CEO and the Board of Directors. This is a working leadership role. Please find a full job description, minimum qualifications, and expected salary on https://www.trideltatransit.com/work-with-us/employment-opportunities/

Tri Delta Transit is hiring for Manager of Finance and Accounting to join our transit family.

The Director of Finance and Accounting is a key member of the Executive Leadership Team and is a strategic advisor to the CEO and the Board of Directors. This is a working leadership role.

Please find a full job description, minimum qualifications, and expected salary on https://www.trideltatransit.com/work-with-us/employment-opportunities/ ...

RIDER ALERT

Tri Delta Transit is changing our schedule on 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 on 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 on 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. ...