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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

Public Meeting Notice for Hazard Mitigation Plan April 06, 2026

About the Local Hazard Mitigation Plan A Local Hazard Mitigation Plan (LHMP) is a federally required planning document that identifies natural hazards, assesses risks, and outlines strategies to reduce vulnerability and improve…
Shred-It Event is May 7th March 06, 2026

Tri Delta Transit will be hosting our Annual Community Drive Thru Shred-it event on May 7th starting at 9:00 am at the Oakley Mobility Hub, 4300 Main Street. Please see…
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Board Meetings

Apr 22
Board Meeting

4pm

May 27
Board Meeting

4pm

All Meetings

Events

Apr 15
All Abilities Fair, Brentwood

3pm

Apr 18
Brentwood Community Day of Service

8am

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!

Join your Brentwood neighbors on April 18th, 2026, for a day dedicated to giving back! 💛

There are so many ways to get involved:
🩸 Donate at the blood drive
💌 Create heartfelt cards for seniors
🌿 Help clean up Marsh Creek
🌸 Be part of the downtown beautification efforts
…and so much more!

This is your chance to support your community, make meaningful connections, and truly make a difference. Every small act of kindness adds up!

@cityofbrentwood

#BrentwoodCA #CommunityService #GiveBack #VolunteerDay #MakeADifference #StrongerTogether

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Join your Brentwood neighbors on April 18th, 2026, for a day dedicated to giving back! 💛 There are so many ways to get involved: 🩸 Donate at the blood drive 💌 Create heartfelt cards for seniors 🌿 Help clean up Marsh Creek 🌸 Be part of the downtown beautification efforts …and so much more! This is your chance to support your community, make meaningful connections, and truly make a difference. Every small act of kindness adds up! @cityofbrentwood #BrentwoodCA #CommunityService #GiveBack #VolunteerDay #MakeADifference #StrongerTogether

Join your Brentwood neighbors on April 18th, 2026, for a day dedicated to giving back! 💛

There are so many ways to get involved:
🩸 Donate at the blood drive
💌 Create heartfelt cards for seniors
🌿 Help clean up Marsh Creek
🌸 Be part of the downtown beautification efforts
…and so much more!

This is your chance to support your community, make meaningful connections, and truly make a difference. Every small act of kindness adds up!

@cityofbrentwood

#BrentwoodCA #CommunityService #GiveBack #VolunteerDay #MakeADifference #StrongerTogether ...

Tri Delta Transit wants you to know about the new All Abilities Resource Fair.

Tri Delta Transit will be a booth at the new All Abilities Fair TOMORROW April 15th from 3-6 pm at the Brentwood Senior Activity Center, 193 Griffith Lane.

We hope to see you there.

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Tri Delta Transit wants you to know about the new All Abilities Resource Fair. Tri Delta Transit will be a booth at the new All Abilities Fair TOMORROW April 15th from 3-6 pm at the Brentwood Senior Activity Center, 193 Griffith Lane. We hope to see you there.

Tri Delta Transit wants you to know about the new All Abilities Resource Fair.

Tri Delta Transit will be a booth at the new All Abilities Fair TOMORROW April 15th from 3-6 pm at the Brentwood Senior Activity Center, 193 Griffith Lane.

We hope to see you there. ...

Tri Delta Transit is WILD ABOUT THE FAIR - are you?

Enter our contest for a four pack of tickets to this year`s Fair - May 14th-17th at the Antioch Fairgrounds.

Visit www.trideltatransit.com for instructions on how to enter - and come see us at the fair.
Entries are due by May 8th at 5:00 pm.

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Tri Delta Transit is WILD ABOUT THE FAIR - are you? Enter our contest for a four pack of tickets to this year's Fair - May 14th-17th at the Antioch Fairgrounds. Visit www.trideltatransit.com for instructions on how to enter - and come see us at the fair. Entries are due by May 8th at 5:00 pm.

Tri Delta Transit is WILD ABOUT THE FAIR - are you?

Enter our contest for a four pack of tickets to this year`s Fair - May 14th-17th at the Antioch Fairgrounds.

Visit www.trideltatransit.com for instructions on how to enter - and come see us at the fair.
Entries are due by May 8th at 5:00 pm. ...

NOTICE OF PUBLIC MEETING

Tri Delta Transit is completing our HAZARD MITIGATION PLAN 2026 and invites the public to participate in a community review and comments on Monday, April 13th from 3-4 pm at our administrative offices, 801 Wilbur Avenue.

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NOTICE OF PUBLIC MEETING Tri Delta Transit is completing our HAZARD MITIGATION PLAN 2026 and invites the public to participate in a community review and comments on Monday, April 13th from 3-4 pm at our administrative offices, 801 Wilbur Avenue.

NOTICE OF PUBLIC MEETING

Tri Delta Transit is completing our HAZARD MITIGATION PLAN 2026 and invites the public to participate in a community review and comments on Monday, April 13th from 3-4 pm at our administrative offices, 801 Wilbur Avenue. ...