Developer Resources - 511 Traffic Data Feed
What is the 511 Traffic Data Feed?
The free 511 Traffic Data Feed provides incidents, speed, and travel time data for individual links on the highways, freeways, and expressways in the San Francisco nine-county Bay Area. Registered ISPs will receive XML-formatted data via the Java Message Service (JMS) over the Internet. To learn more, download the 511 Traffic Data Feed overview document.
Ready to get the data? Download the agreement:
Click here to download the latest Disseminator Agreement. Mail one signed hard copy to the address in the agreement. After 511 receives your signed agreement, we'll send you account information and instructions on how to access the data feed.
When you're ready to start using the data, you'll need the following:
Be a Part of 511!
Make sure to follow the instructions in the agreement 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 511.org, please contact us at email@example.com to request placement on 511 Mobile & Apps.