logo

Banner

Bus in motion

* Opens Google Maps in a new tab

Bus Routes w/alerts See All Alerts
background background mbbile
Routes and Schedules button

Routes & Schedules

Find all the information, maps and schedules for our fixed route service.

Fares and Passes button

Fares & Passes

Exact fare not required on fixed route buses. Farebox on fixed route buses can issue credit tickets for overpayment.

Apps and Tools for Riding button

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

Apps and Tools for Riding button

Fixed Routes arrow

Fixed Routesarrow

Exact fare recommended, but not required, on fixed route buses. Farebox on fixed route buses can issue credit tickets for overpayment.
Apps and Tools for Riding button

Tri MyRide arrow

Tri MyRidearrow

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.
Apps and Tools for Riding button

Senior Paratransit arrow

Senior Paratransitarrow

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.
Apps and Tools for Riding button

ADA Paratransit arrow

ADA Paratransitarrow

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

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…
All News

Board Meetings

May 27
Board Meeting

4pm

Jun 24
Board Meeting

4pm

All Meetings

Events

All Events

We are Hiring!

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

Job Opportunities! arrow

Sign up for Alerts!

Get notified about schedule changes, detours, procurements, job opportunities, events, and more.

Sign Up arrow
procurement

Procurement arrow

ECCTA allows for bid/proposal submission through BidExpress. Vendors must register with BidExpress before participating. Registration for ECCTA solicitations is free.
Tri Delta T shirts pants mugs and hats available in the store

www.trideltatransitstore.com arrow

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.
person using a laptop and cell phone

Contact Us arrow

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!

Tri Delta Transit is at the Antioch Fairgrounds for the County Fair. We are telling people anout Youth Ride Free! Just look at this cool family who stopped by.

2 0
Open
Tri Delta Transit is at the Antioch Fairgrounds for the County Fair. We are telling people anout Youth Ride Free! Just look at this cool family who stopped by.

Tri Delta Transit is at the Antioch Fairgrounds for the County Fair. We are telling people anout Youth Ride Free! Just look at this cool family who stopped by. ...

Tri Delta Transit is excited to be at the County Fair today and at the STEM event at Williamson Ranch Park. it’s just getting underway so come out and learn about Battery electric buses and much more! See you soon.

6 0
Open
Tri Delta Transit is excited to be at the County Fair today and at the STEM event at Williamson Ranch Park. it’s just getting underway so come out and learn about Battery electric buses and much more! See you soon.

Tri Delta Transit is excited to be at the County Fair today and at the STEM event at Williamson Ranch Park. it’s just getting underway so come out and learn about Battery electric buses and much more! See you soon. ...

Tri Delta Transit will have adjusted service on Monday, May 25th in observance of the Memorial Day holiday. Service will be limited and administration offices closed. Celebrate - Remember - Honor on this day.

2 0
Open
Tri Delta Transit will have adjusted service on Monday, May 25th in observance of the Memorial Day holiday. Service will be limited and administration offices closed. Celebrate - Remember - Honor on this day.

Tri Delta Transit will have adjusted service on Monday, May 25th in observance of the Memorial Day holiday. Service will be limited and administration offices closed. Celebrate - Remember - Honor on this day. ...