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Developer Resources

Interested in developing a third-party app using GTrans data? You’ve come to the right place.


This GTrans GTFS file contains timetables for all of our bus lines in a single file. To learn more about how to use GTFS files in your applications, visit the Google GTFS Specification Page.

Our Promise to Our Customers

GTrans exists to move people by providing safe, reliable and outstanding public transportation to the communities we serve every day.

GTrans is committed to making its electronic and information technologies accessible to individuals with disabilities in accordance with Section 508 of the Rehabilitation Act (29 U.S.C. § 794d), as amended in 1999. Send feedback or concerns related to the accessibility of this website by using our Contact Us Form. For more information about Section 508, please visit the website for the State of California’s Department of Rehabilitation.