Tri Delta Transit

The official mobile ticketing app for Tri Delta Transit, serving nearly 290,000 residents in the 225 square miles of Eastern Contra Costa County in California. The app lets you purchase and use tickets instantly on your phone – anywhere, anytime. Just download the free app, register your debit/credit card in our secure system and you’re ready to go.

• No paper tickets to keep track of
• No need to carry cash
• Buy and use tickets instantly with debit/credit card
• Store multiple tickets on your phone for future use
• Pay a single fare or multiple fares for groups of riders

Note: All ticket holders (paper or mobile) are subject to a first come/first serve basis on the bus. A mobile ticket does not guarantee a seat.