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New TDT Network launches Sunday, August 10, 2025 – Major Service Change

July 08, 2025

Tri Delta Transit is excited to launch the New TDT Network that was created based on feedback from the public and ridership data as part of the year-long project Revitalize Tri Delta Transit. Routes will be changed to be more efficient, come faster and get you where you want to...
Press Releases

Youth Ride Free June + July 2025

May 29, 2025

Tri Delta Transit is excited to announce we’re joining County Connection and WestCAT on the Youth Ride Free Pilot Program for Contra Costa County. Tri Delta Transit is offering fare-free rides on all fixed and express routes for young people up to 18 years of age from June 1 through July 31, 2025.  Tri...

Press Releases

Press Releases

Tri Delta Transit CEO Named Small Operators Transit Professional of the Year

October 15, 2021

ANTIOCH, CA, Tri Delta Transit’s CEO, Jeanne Krieg, was honored to receive California Transit Association’s distinguished award Small Operators Committee Transit Professional of the Year 2021. The California Transit Association’s (CTA) gives this award to an outstanding individual who has provided strong leadership and vision to a California Transit Association...
Press Releases

Tri Delta Transit seeks community input on proposed service improvements

September 13, 2021

Transform Tri Delta Transit Antioch, CA, September 13, 2021 - Eastern Contra Costa Transit Authority (Tri Delta Transit) is seeking community input to improve transit service in eastern Contra Costa County. After receiving feedback from residents last fall, the agency developed service improvements in response to the identified needs. Tri...
Press Releases

Tri Delta Transit is on the Move

August 13, 2021

ANTIOCH, CA, August 13, 2021 – Eastern Contra Costa Transit Authority (Tri Delta Transit) wants the community toknow that buses are on the move. Tri Delta Transit has three major moves happening, starting with All Aboard Bay Area Transit. “In these uncertaintimes, Transit agencies from around the Bay want riders...
Press Releases

Tri Delta Transit Seeks Partnerships to Bring Free WiFi to Communities using Buses Conveniently Parked

April 26, 2021

Summer program “WiFi on Wheels” will stay for 3 hours at a time in requested areas Antioch, Calif., (April 26th, 2021) - Identifying the community need for public internet services during the COVID-19 pandemic, Tri Delta Transit is seeking partnerships with community organizations to launch their summer program “WiFi on...