511 Removes the Guesswork | Operate + Coordinate | Our Work

511 Removes the Guesswork

511 is your phone and web source for Bay Area traffic, transit, carpool, vanpool, and bicycling information. It's FREE and available whenever you need it – 24 hours a day, 7 days a week – from anywhere in the nine-county Bay Area. Call 511 or visit 511.org.

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511.org provides the following:

  • Traveler alerts
  • An interactive map, with traffic, transit, carpool, and biking information layers,
  • Consolidated tweets from 511 and partner agencies, and
  • Resources for traffic, transit, paratransit, RTC discount card, carpool, vanpool, bicycling, express lanes, and park ‘n ride lots.

Visit the 511 website to learn more.

Users can sign up for 511 Emergency Alerts by simply using their mobile phone to text 511Alert (no space) to 888777. After subscribing, an automated text message response will confirm the registration. While the text messages are free, users are encouraged to contact their wireless service provider to determine whether they will incur charges for receiving text messages on their mobile device. More information about 511 Emergency Alerts is available on 511.org/511Alert.

MTC operates 511 in partnership with the California Department of Transportation, the California Highway Patrol, dozens of public transit operators, and carpool organizations around the Bay Area.

511 provides up-to-the-minute updates on traffic incidents, road closures, transit disruptions, and roadway construction projects.

Users can sign up for 511 Emergency Alerts by simply using their mobile phone to text 511Alert (no space) to 888777. After subscribing, an automated text message response will confirm the registration. While the text messages are free, users are encouraged to contact their wireless service provider to determine whether they will incur charges for receiving text messages on their mobile device. More information about 511 Emergency Alerts is available on 511.org/511Alert.