Tri Delta Transit

Tri Delta Transit provides public transportation in Eastern Contra Costa County, California. To receive alerts, go to @tdtransitalerts. See you on the bus!

[Tri Delta Transit @TriDeltaTransit]

If you're heading out to vote, take Tri Delta Transit to the polls or to an official ballot drop box. Get started with our online Trip Planner: https://t.co/QYhPjghV5q

Find your polling place: https://t.co/B6BAi0sFPe

Find a ballot drop box: https://t.co/KIrZNGXcGs

[Tri Delta Transit @TriDeltaTransit]

Tri Delta Transit celebrates and honors Pride Month.

“When you put love out in the world it travels, and it can touch people and reach people in ways that we never even expected.” — Laverne Cox. Thank you to all our passengers for riding and traveling with us.

[Tri Delta Transit @TriDeltaTransit]

YOUTH RIDES FREE STARTS TODAY!
We're excited that today is the day that youth 18 and under ride free on Tri Delta Transit fixed and express route buses.

Plus visit https://t.co/VEcKkGGwjH and register to log your rides to win fun badges and prizes.
You'll definitely fun!

[Tri Delta Transit @TriDeltaTransit]

Tri Delta Transit is thankful for the Veterans among us and even more so those who have gave the ultimate sacrifice for our freedom and safety. We celebrate, honor and remember on this day.

[Tri Delta Transit @TriDeltaTransit]

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 @TriDeltaTransit]

Due to a special event, Route 372 in each direction will detour around Downtown Pittsburg (3rd Street to 6th Street). All stops between the detour will be out of service. Detour is in effect until the event is complete and cleared.

[Tri Delta Transit @TriDeltaTransit]

Tri Delta Transit comparte esta encuesta de Contra Costa Health. Por favor, participe si le es posible.

[Tri Delta Transit @TriDeltaTransit]

Tri Delta Transit is sharing this survey from Contra Costa Health. Please participate if you are able to.

[Tri Delta Transit @TriDeltaTransit]

FOR 15-24 YEAR OLDS. IMPORTANT EVENT -

Contra Costa Health invites youth to the Community Youth Health Assessment on May 27th from 6-8 pm at the LUCC Offices, 808 West 3rd Street. Just look at the benefits.

Take Route 372 and walk a little to the center. It's important.

[Tri Delta Transit @TriDeltaTransit]

Don't let gas prices leave you stranded. Take Tri Delta Transit and save money, skip driving & enjoy free Wi-Fi. A Day Pass (unlimited rides) is only $3.75. More at https://t.co/QYhPjghV5q.

PRO TIP: Commuters who drive can request a FREE $25 Clipper card: https://t.co/y1JUBUfT5s

[Tri Delta Transit @TriDeltaTransit]

Tri Delta Transit will have adjusted service NEXT 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 @TriDeltaTransit]

Our Community Shred-It Event was a great success thanks to everyone who came out and participated. We’re proud to provide events that support and serve our community.

[Tri Delta Transit @TriDeltaTransit]

Start your summer planning!

Youth Ride Free in June and July 2026 on Tri Delta Transit fixed and express routes. Go to sports practice and events, jobs, visit friends, go to destinations and more. Start your Travel Era. No IDs, passes or applications required.

[Tri Delta Transit @TriDeltaTransit]

Honor Veterans by taking part in this beautiful ceremony.

Tri Delta Transit routes that go to these locations are:
* 373 to the Oak View Memorial
* 371 to Antioch VFW
* or take the Antioch/Oakley Tri MyRide

Thank you to all who are honored at this ceremony.

[Tri Delta Transit @TriDeltaTransit]

Tri Delta Transit is having so much fun at the county fair. Giving out Youth Ride Free fliers along with goodies. Thank you to our operator booth volunteers.

[Tri Delta Transit @TriDeltaTransit]

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 @TriDeltaTransit]

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 @TriDeltaTransit]

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 @TriDeltaTransit]

Tru Delta Transit is happy to announce that the phone issues we were experiencing at their administrative office are restored.  

The system is in full operation.

 Thank you again for your patience.

[Tri Delta Transit @TriDeltaTransit]

ALERT

Tri Delta Transit administrative offices are experiencing technical difficulties with our entire phone system. This may affect scheduling, cancellations, calling in, ticket orders and so forth. Technicians are working to restore it. Thank you for your patience.