Local and Express Routes
Bus Routes w/alerts
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Local and Express Routes
Schedule note: The times published in Tri Delta Transit’s timetables in printed schedule and on this website are approximations of normal trips. They do not anticipate service disruptions, traffic, delays of boarding and off-boarding, or other possible disruptions.
Time Points listed are times that we anticipate being at those locations only. Tri Delta Transit strives to keep as closely to this schedule as possible. Please see Real Time Arrival page for the most current information. All timetables are subject to change without notice. Thank you.
Service Alert
SERVICE ALERT: Major route and schedule change effective Sunday, August 10, 2025
Tri Delta Transit listened to you and revitalized our system. Most routes, route numbers, all timetables, and some stops are changing August 10th to be more streamlined and come more frequently. Plus Tri MyRide is expanding in Antioch/Oakley and a new zone in Brentwood. You'll connect faster and better with BART too. See below to go to the details.
Service Span: Mon - Fri
Schedule Download
Cities:
Pittsburg
Martinez (Limited Service)
Service Alert
SERVICE ALERT: New TDT Route 201X no longer goes on Kevin Drive
Tri Delta Transit has launched the new Revitalized service starting Sunday, August 10th. There are new routes, new route numbers, more frequent service, faster runs and more Tri MyRide service. Some runs have been altered to go every 15-30 minutes. Due to optimizing runs, the 201X will no longer go down Kevin Drive but will stop near the end of it.
Service Span: Mon - Fri
Cities:
Pittsburg
Bay Point
Concord (Limited Service)