Tri Delta Transit

Serving Our Community Since 1977

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Eastern Contra Costa Transit Authority (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 14 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.


Q Types of Transit Available

62 fixed-route buses including 58 low floor Gillig buses, 2 Protera electric buses and 2 BYD electric buses.
30 Paratransit buses and 6 med vans
All fixed-route buses are equipped with bike racks
All buses are wheelchair accessible

Q What Services Do We Provide?

Clipper Card
Email & Text Alerts
Park & Ride
Bus Stop Locations
Local Buses
Commuter Service