TriDelta Transit offers public transit opportunities to residents of Discovery Bay as well as the greater East Bay region. 

• Local Bus Route:  Bus #386 travels to and from the Discovery Bay West area into Brentwood, stopping at the Brentwood Park & Ride so that travelers can easily transfer to other busses traveling throughout Brentwood, Antioch, Oakley and more.  Presently this route is only active during weekdays.  For more information, visit the TriValley Transit website.
  
• Delta Express Commuter Bus:  Commuters heading into the Tri-Valley area will find the Delta Express to be a great option.  The Delta Express leaves from the Discovery Bay Park & Ride early in the morning and returns at the end of the day, enabling Discovery Bay residents to enjoy a hassle-free, environmentally friendly and low-cost commute into Livermore, Pleasanton or Dublin.  For more information, visit the TriValley Transit website.