Tri Delta Transit

The Eastern Contra Costa Transit Authority

ADA paratransit (reported to NTD)

This agency reported ADA-eligible demand-response service to the NTD for 2024.

Headquarters
Antioch, CA
Website
trideltatransit.com
Phone
Not published in the NTD. Use the agency website.
Demand-response trips in 2024
282,586
Places served (NTD)
11 in 1 county
NTD ID
90162

Services, fares and hours

Service details reported to the NTD (2024)
ServiceOne-way fareBookingDays and hoursEligibility required
Purchased transportation (contractor)
ADA eligible
$2.75Book by the day beforeMon–Fri: 3:51 AM–1:31 AM (next day); Sat–Sun: 5:49 AM–12:31 AM (next day)Yes
Transportation network company (purchased)
ADA eligible
$4.00Same day (no minimum notice reported)Mon–Sun: 12:00 AM–11:59 PMNo

Cities with a guide page

Counties served

Contra Costa County, CA

Report a correction for Tri Delta Transit

Last updated: 2026-10-17 (site build). Source: FTA National Transit Database (NTD), 2024 report year, retrieved October 17, 2026: coverage, fares and eligibility, service schedules, agency information. Blank fields mean the information was not in the source; we do not guess. Report a correction.