Tri Delta Transit
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Tri Delta Transit
@trideltatransit.bsky.social
Tri Delta Transit provides public transportation in Eastern Contra Costa County, California. Visit us online at trideltatransit.com. See you on the bus!
Tri Delta Transit Takes You Places!

Enjoy great food, live music & family fun at the Season Finale of Food Truck Thursdays on October 30.
🕔 5:00-9:00 PM
📍 Antioch Community Center
🚌 Take Route 380

Plan your trip at TriDeltaTransit.com. See this week's participating food trucks below.
October 27, 2025 at 8:40 PM
Happy Birthday Board Member Supervisor Diane Burgis. Thank you for all you do for Tri Delta Transit, the community and the County.
October 24, 2025 at 4:31 PM
Tri Delta Transit will operate weekend/holiday service Tuesday, Nov. 11th, in observance of Veterans Day. Routes 370, 371, 372, 373, 374, 375, 376 & 377 will be in service. Limited paratransit & Tri MyRide service. Administrative offices will be closed. For more route info visit trideltatransit.com.
October 23, 2025 at 9:33 PM
Big Truck Day is Thursday! Check out large trucks & vehicles, incl. Tri Delta Transit's zero-emission battery electric bus. In honor of Transit Month, visit the TDT booth for info about our electric bus & pick up some swag. Take Tri MyRide or Route 380 or 384. More: www.antiochca.gov/big-truck-day/
September 17, 2025 at 9:42 PM
Delta Veterans Group brings Stand Down on the Delta to the Contra Costa County Fairgrounds Sept. 12-15, with essential services for veterans incl. medical & dental care, housing assistance & job placement. Homeless veterans will be housed for 4 days at the Fairgrounds. More: deltaveteransgroup.org
September 10, 2025 at 8:59 PM
Rides equal raffle entries in the Transit Month Ride Contest! Each transit system offers different prizes. Rides on Tri Delta Transit could win you a prize pack incl. an insulated TDT tote & two 20-Ride Passes. Post your rides & challenge your friends to pass you on the Leaderboard: ridecontest.com
September 9, 2025 at 6:41 PM
Every ride you take on transit is worth another raffle entry in the Transit Month Ride Contest. Sign up & log your rides. Trips you take on Tri Delta Transit (TDT) enter you to win TDT swag. They also enter you to win a high-value Clipper card from 511 Contra Costa. Sign up: ridecontest.com
September 2, 2025 at 9:45 PM
Tri Delta Transit Takes You Places:

If you're headed to the Contra Costa Block Party tomorrow (Thursday), let us do the driving. Ride Route 361 or 375, or take our Tri MyRide on-demand shuttle for $2 each way.

Block Party Info: www.contracosta.ca.gov/CivicAlerts....

@contracostahealth.bsky.social
August 27, 2025 at 9:55 PM
Tri Delta Transit Takes You Places:

The Delta Harvest Run isn't just fun, it also supports East Contra Costa food banks, shelters & college scholarships for local students.

When: Sun., Sept. 7
Where: City Park, Brentwood
Getting There: Take TDT Route 373
Run Registration: deltaharvestrun.com
August 21, 2025 at 5:26 PM
Take Tri Delta Transit's Route 374 or Tri MyRide on-demand shuttle to the Bay Point Community Resource Fair on Sat. (8/16). The Pittsburg/Bay Point Tri MyRide shuttle will take you from anywhere to anywhere within the service zone for just $2. Get the app: trimyride.com
August 16, 2025 at 12:03 AM
Contra Costa Transportation Authority (CCTA) is updating the Countywide Transportation Plan & wants your input – you could win a $100 gift card. No matter how you get around, you can shape safer, more connected & more efficient travel.

Explore the Open House and take the survey: openhouse.ccta.net
August 14, 2025 at 8:31 PM
New schedules take some getting used to but we hope it doesn’t take long to get used to faster, more direct routes.

The New TDT Network, which went into effect on August 10th, offers:
 
• Increased bus frequency
• Better connections with BART
• Expanded Tri MyRide service

Info: trideltatransit.com
August 14, 2025 at 5:42 PM
The BIG schedule change is here! The new TDT network starts TODAY. New Routes, new numbers & new timetables. Tri MyRide is expanding in Antioch/Oakley & there's a new zone in Brentwood. Better & faster connections with BART. All for an improved rider experience. Details: revitalizetridelta.com
August 10, 2025 at 12:53 PM
On Mon., Aug. 11, BART will make minor schedule changes in coordination with the region’s other transit systems – including Tri Delta Transit – as part of a regional effort to sync schedules, reduce impacts & improve transfers for transit riders. Learn more: www.bart.gov/news/article... @bart.gov
August 6, 2025 at 9:52 PM
ENVIRONMENTAL TOWN HALL & RESOURCE FAIR: Saturday's event will be at Oakley's Big Break Regional Shoreline. Visit the Tri Delta Transit table & learn about our zero-emission electric buses & our plans to electrify our fleet. Attend virtually or in person. RSVP: desaulnier.house.gov/town-hall-rsvp
July 23, 2025 at 10:12 PM
ANTIOCH RESIDENTS: The Contra Costa Mosquito and Vector Control District will host a community meeting at Harbour Park and Mountaire Park on Saturday (6/28) from 10 a.m. until 2 p.m.

Tri Delta Transit is providing this important information as a service to our community.
June 27, 2025 at 9:50 PM
🎆 Tri Delta Transit can take you to your 4th of July celebrations!

On July 4th, Routes 380, 381, 388, 389, 391 & 395 will be in service.
Paratransit & Tri MyRide will have limited service.

🗺️ For help planning your trip, visit trideltatransit.com or use the @transit.app.
June 25, 2025 at 6:30 PM
Tri Delta Transit is proud to announce former CEO Jeanne Krieg has been inducted into the America Public Transportation Association's Hall of Fame. Congratulations Jeanne.
June 25, 2025 at 5:39 PM
Happy Juneteenth from Tri Delta Transit!
June 19, 2025 at 9:56 PM
Tri Delta Transit is having fun at the Brentwood Library for the Exploration Station event. We’re telling families were they can take our buses to for summer fun since Youth Ride Free June and July.
June 18, 2025 at 8:12 PM
Tri Delta Transit is saddened to hear of the passing of beloved longtime rider & volunteer Elthello (Pello) Smith, who served on the Paratransit Coordinating Council since 2016.

Our hearts go out to his wife Beverly and family. He will be greatly missed.
June 17, 2025 at 4:37 PM
Tri Delta Transit Takes You Places!
Bring your child to the Brentwood Library Exploration Station & stop by our booth:
📅 Wed., June 18
🕓 11 AM – 2 PM
📍 104 Oak St, Brentwood
🚍 Take Route 391
💳 Plan your trip at TriDeltaTransit.com or on the @transit.app
ℹ️ Details: 511cc.org/exploration2...
June 16, 2025 at 9:39 PM
13th Annual Juneteenth Celebration by Souljah's in Pittsburg
Family-friendly event with live music, food vendors & cultural performances.
📅 Sunday, June 15
🕛 12 PM – 5 PM
📍 John Buckley Park, Pittsburg
Take Route 388
💳 Plan your trip at TriDeltaTransit.com or on the @transit.app
June 14, 2025 at 9:01 PM
Grace Arms Juneteenth Celebration
A community event featuring vendors and activities to honor African American heritage.
📅 Saturday, June 21
🕛 12 PM – 5 PM
📍 3415 Oakley Road, Antioch
Take Route 380
💳 Plan your trip at TriDeltaTransit.com or on the @transit.app
June 14, 2025 at 6:01 PM
Brentwood's 2nd Annual Juneteenth Celebration
Join the community to commemorate Juneteenth
📅 Thursday, June 19
🕓 4 PM – 8 PM
📍 City Park, 790 Second Street, Brentwood
Take Route 384
💳 Plan your trip at TriDeltaTransit.com or on the @transit.app
June 13, 2025 at 8:01 PM