Tri Delta Transit

Route Information 925-754-4040

Paratransit Scheduling 925-754-3060

Eastern Contra Costa Transit Authority (ECCTA) was formed in 1977 as a Joint Powers Agency (JPA) consisting of the cities of Antioch, Brentwood, Pittsburg and the county of Contra Costa. Oakley incorporated as a city and joined in 1999.

ECCTA is governed by an eleven-member board of directors composed of two appointed members from each of the mayors of Antioch, Brentwood, Oakley, and Pittsburg, two appointed members by the Contra Costa County Board of Supervisors, and one member at large.

ECCTA operates fixed-route and paratransit service under the name "Tri Delta Transit" and contracts with a private company, First Transit, for the operation of buses.

ECCTA provides nearly 2 million trips each year to a population of approximately 315,000 residents in the 225 square miles of Eastern Contra Costa County.

Tri Delta Transit operates 15 local bus routes Monday-Friday, 5 local bus routes on weekends and holidays, door-to-door bus service for senior citizens and people with disabilities, and shuttle services for community events.

“Connecting East County”

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