System Map

Welcome to Tri Delta Transit!

Serving the cities of Antioch, Pittsburg, Brentwood, Oakley, Bay Point, Discovery Bay and Concord, we operate 14 local bus routes Monday-Friday (including express route 300) and four on weekends & holidays. Every day we help East Contra Costa residents get to BART, work, school, the doctor, the library, parks, the movies, shopping centers, the grocery store, recreation activities, or just across town to visit family & friends.

Getting Started

Getting started is easy. To figure out which route you need, scroll through the attached system map. Routes are color coded to help you locate individual routes serving your location. Once you know which route(s) you need, click the above link called “Schedules and Maps” to see your selected route(s) including bus arrival times.

If you need assistance reading the schedule, click here to read our “How to Ride the Bus” page. Or, give us a call at 925-754-4040 and we’ll be happy to assist you.

Print System Map System Map

Use the right side and bottom scroll bars to follow a route.

System Map

System Map Legend

 

200 Martinez/Pittsburg (Weekdays Only)

 

201 Concord Route

 

300 Pittsburg BART/Brentwood (Weekdays Only)

 

379 Antioch Deer Valley (Antioch Unified School District days only)

 

380 Pittsburg BART/Hillcrest Park & Ride (Weekdays Only)

 

383 Hillcrest Park & Ride/Oakley (Weekdays Only)

 

385 Brentwood / Antioch

 

386 Discovery Bay / Brentwood (Liberty Union School District days only)

 

387 Pittsburg BART/Tri Delta Antioch (Weekdays Only)

 

388 Pittsburg BART/Hillcrest Park & Ride (Weekdays Only)

 

389 Pittsburg BART/Bay Point (Weekdays Only)

 

390 Pittsburg BART/Hillcrest Park & Ride (Weekdays Only/Commute hours)

 

391 Pittsburg BART/Brentwood Park & Ride (Weekdays Only)

 

392 Pittsburg BART/Antioch Park & Ride (Sat. Sun. & Holidays Only)

 

393 Baypoint / Brentwood Park & Ride (Sat. Sun. & Holidays Only)

 

394 Pittsburg / Antioch
(Sat. Sun. & Holidays Only)

 

395 Brentwood / Antioch Park & Ride
(Sat. Sun. & Holidays Only)

 

Bus Route

Bus Route Variation

Bus Route Variation

Parking

Parking

 

Point of Interest / Landmark

Ticket location

Ticket location

School

School

Hospital

Hospital

State Highway

State Highway