Developer Resources - 511 Real-Time Transit Departures API (beta)

What is the 511 Real-Time Transit Departures API (beta)?

The 511 Real-time Transit Departures API provides real-time departure predictions for several regional transit agencies, including BART, Muni, and AC Transit. The API consists of a collection of individual services implemented using simple web pages that accept query string parameters and return plain XML documents.

Ready to get the data?

Click here to sign up for a security token and agree to the Terms & Conditions. Once completed, you'll have immediate access to the data.

Then, download the API documentation to learn everything you need to know about using the API to develop a real-time transit tool or application.


For questions about the API, send an e-mail to or visit our Google Group, 511SFBayDeveloperResources.

Be a Part of 511!

Make sure to follow the instructions in the Terms & Conditions for crediting 511 as the source of the data. If you create an app or tool from this data and want to showcase it on, please contact us at to request placement on 511 Mobile & Apps.

If your email to or returns undeliverable, please use the suggestion form to submit your question or request.

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