Private company
Tri Delta Transit
Logo: East Contra Costa Transit Authority, Public domain, via Wikimedia Commons3
Public transit agency in Contra Costa County, California
Tri Delta Transit, formally the Eastern Contra Costa Transit Authority, is a joint powers agency (JPA) of the governments of Pittsburg, Antioch, Oakley, Brentwood, and Contra Costa County that provides bus service for the eastern area of Contra Costa County, California, United States.2 Wikipedia text CC BY-SA 4.0
Last updated Oct 21, 2026.
Overview
- HeadquartersAntioch1
- Websitetrideltatransit.com
- Legal formjoint powers authority1
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Tri Delta Transit, formally the Eastern Contra Costa Transit Authority, is a joint powers agency (JPA) of the governments of Pittsburg, Antioch, Oakley, Brentwood, and Contra Costa County that provides bus service for the eastern area of Contra Costa County, California, United States. Contra Costa County has four major public bus transportation services, divided geographically: three mostly serve destinations within the county, covering western (WestCAT), central (County Connection), and eastern (Tri Delta Transit) regions, and one (AC Transit) serves Bayside cities along the western edges of 2
Timeline
- 1977Founded Founded1
Links
- Websitetrideltatransit.com1
- X (Twitter)x.com/trideltatransit1
- WikipediaTri Delta Transit
- More imagesWikimedia Commons
- WikidataQ7839840
Sources
The numbers on this page point here. Each one links to the record it came from.
- 1WikidataTri Delta Transit on Wikidata
- 2WikipediaTri Delta Transit on Wikipedia
- 3
- 4Wikimedia CommonsTri Delta Transit photo by Mliu92, CC BY-SA 4.0