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. There are two options for submitting your Disseminator Agreement:

  1. Scan and email one signed copy to
  2. or
  3. Mail one signed hard copy to the address in the agreement.

After 511 receives your signed agreement, we'll send your 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:


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

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, 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.

Subscribe to 511SFBayDeveloperResources

Mobile & Apps

511 Mobile & Apps provides information seekers links to unique transportation services outside of If you have an app or website you'd like 511 to consider for inclusion on the page, please send us your request.


Current and Future Driving Times

Find out how long it will take to get to your destination – now, or in the future. Use 511 Driving Times to calculate your current driving time NOW, or estimate your driving time in advance to plan an upcoming trip.

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