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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 - Cancelled

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.
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ALERT -

Tri Delta Transit will be holding a TOWN HALL MEETING TODAY 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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ALERT - Tri Delta Transit will be holding a TOWN HALL MEETING TODAY 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.

ALERT -

Tri Delta Transit will be holding a TOWN HALL MEETING TODAY 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. ...

TRI DELTA TRANSIT TAKES YOU PLACES! 🚍
OAKLEY TWILIGHT MARKET🎵🔮🍽️
- Come out & Join Oakley for a free Community event bringing together kid activities, lawn games, food, good vibes & much more you don`t want to miss!

-🚌Take route 373 Toward Brentwood Park n Ride & walk 6 mins to destination!
-📆7/15/2026
-⏰4:30PM - 8:00PM
-📍Brownstone Gardens
91 Brownstone Rd, Oakley

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TRI DELTA TRANSIT TAKES YOU PLACES! 🚍 OAKLEY TWILIGHT MARKET🎵🔮🍽️ - Come out & Join Oakley for a free Community event bringing together kid activities, lawn games, food, good vibes & much more you don't want to miss! -🚌Take route 373 Toward Brentwood Park n Ride & walk 6 mins to destination! -📆7/15/2026 -⏰4:30PM - 8:00PM -📍Brownstone Gardens 91 Brownstone Rd, Oakley

TRI DELTA TRANSIT TAKES YOU PLACES! 🚍
OAKLEY TWILIGHT MARKET🎵🔮🍽️
- Come out & Join Oakley for a free Community event bringing together kid activities, lawn games, food, good vibes & much more you don`t want to miss!

-🚌Take route 373 Toward Brentwood Park n Ride & walk 6 mins to destination!
-📆7/15/2026
-⏰4:30PM - 8:00PM
-📍Brownstone Gardens
91 Brownstone Rd, Oakley ...

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.

1 0
Open
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.

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. ...

HAPPY NATIONAL SWIMMING POOL DAY! 🏊🏼🛟
Have a blast this National Swimming Day cool off, stay safe & have a splashing good time! 🌊🚍

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HAPPY NATIONAL SWIMMING POOL DAY! 🏊🏼🛟 Have a blast this National Swimming Day cool off, stay safe & have a splashing good time! 🌊🚍

HAPPY NATIONAL SWIMMING POOL DAY! 🏊🏼🛟
Have a blast this National Swimming Day cool off, stay safe & have a splashing good time! 🌊🚍 ...