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Tri Delta Transit
ParentEastern Contra Costa Transit Authority
Founded1977 (1977) [1]
Headquarters801 Wilbur Ave, Antioch, California, United States
LocaleEast Contra Costa County, California
Service type bus service, paratransit
Routes17 weekday, 6 weekend [1]
Stopsapproximately 650 [1]
Fleet
[1]
Daily ridership4,800 (weekdays, Q4 2023) [2]
Annual ridership1,304,700 (2023) [3]
Operator Transdev [1]
Website trideltatransit.com

Tri Delta Transit, formally the Eastern Contra Costa Transit Authority, is a joint powers agency 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. [1] Tri Delta Transit local buses connect to the BART rapid transit system at Antioch, Pittsburg Center, Pittsburg/Bay Point and Concord. Tri Delta Transit buses also connect with County Connection bus service, WestCAT bus service, Delta Breeze bus service and Amtrak at shared bus stops. In 2023, the system had a ridership of 1,304,700, or about 4,800 per weekday as of the fourth quarter of 2023.

Overview of fixed-route service

Tri Delta Transit bus in Pittsburg.

Tri Delta Transit operates in eastern Contra Costa County and has stops in Antioch, Oakley, Brentwood, Bay Point, Pittsburg, Martinez, and Concord. Tri Delta Transit operates local and express routes on weekdays and local routes on weekends/holidays.

Major transfer points for the majority of Tri Delta Transit's routes include:

Route list

Tri Delta Transit operates seventeen bus routes. On weekdays, all of them are operated throughout the cities of Concord, Bay Point, Pittsburg, Antioch, Oakley, Brentwood, and Martinez. On weekends, six of them are operated throughout the aforementioned cities except Concord and Martinez. They're intended to be the longer routes to cover the many segments of the weekday-only bus routes. Even though most of the routes have the same terminus, various of them have their own ways of reaching their terminus. [4]

All weekday routes
Route Westbound Terminal Eastbound Terminal
200X Martinez station (Amtrak) Pittsburg/Bay Point BART
201X Concord BART
202X Brentwood Park & Ride (loop back via Los Medanos College Brentwood Center)
300X Antioch BART Brentwood Park & Ride
379 Antioch Medical Center
380 Pittsburg/Bay Point BART Antioch BART
381 Pittsburg Marina Los Medanos College
383 Wilbur and Cavallo Rd (Tri Delta Transit HQ) Blue Goose Park
384 Antioch BART Brentwood Park & Ride
385
387 Pittsburg/Bay Point BART Antioch BART
388 Antioch Medical Center
389 Pittsburg/Bay Point BART (loop around via Bay Point)
390 Pittsburg/Bay Point BART Antioch BART
391 Pittsburg Center BART Brentwood Park & Ride
395 Antioch BART The Streets of Brentwood
709 Pittsburg/Bay Point BART Antioch BART
All weekend routes
380 Pittsburg/Bay Point BART Antioch BART
381 Pittsburg Marina Los Medanos College
388 Pittsburg/Bay Point BART Antioch Medical Center
389 Pittsburg/Bay Point BART (loop around via Bay Point)
391 Pittsburg Center BART Brentwood Park & Ride
395 Antioch BART Streets of Brentwood

Fleet roster

Fleet Number(s) Build
date
Manufacturer Model Engine Transmission Notes
0992-0999 Gillig BRT 40'
(G27D102N4)
Cummins ISL Allison B400R 2009 models
1375–1399 2012 Gillig BRT 40' Cummins ISL9 Allison B400R 2013 models
1680–1699 2016 Gillig BRT 40' Cummins ISL9 Allison B400R Replaced 2001 Gillig Phantoms
1893–1897 2018 Gillig BRT 40' Cummins L9 Voith D864.6 Delivered in June 2018
1898–1899 2018 Proterra, Inc. Catalyst BE40 Battery electric bus
1891–1892 2018 BYD Auto K9 Battery electric bus
2394–2399 2023 Gillig BRT 40' Cummins L9 Unknown Delivered in mid-2023
2390–2393 2023 Gillig Low Floor 40' Battery electric bus

References

  1. ^ a b c d e f "About Us". Tri Delta Transit.
  2. ^ "Transit Ridership Report Fourth Quarter 2023" (PDF). American Public Transportation Association. March 4, 2024. Retrieved March 14, 2024.
  3. ^ "Transit Ridership Report Fourth Quarter 2023" (PDF). American Public Transportation Association. March 4, 2024. Retrieved March 14, 2024.
  4. ^ "Local Bus". Tri Delta Transit. Retrieved 19 July 2023.

External links