Alerts

What's disrupting the Bay Area's highways, bridges, and transit services? Get the travel information that matters to you. Up-to-the-minute updates on traffic incidents, road closures, transit disruptions, and roadway construction projects.

Detour Sign on a busy street

Critical Alerts

Get the details on major traffic or transit disruptions.

Learn More
Freeway Sign Displaying Bay Bridge Closure

Traffic Alerts

View and sort current incidents, construction, and events. Read about long-term construction projects. See what's on the Caltrans Message Signs.

Learn More
A bus that says it is "Not in Service"

Transit Alerts

View and sort delays, re-routes, and service changes. Learn what to do during a transit disruption.

Learn More
  • Emergencies

    When emergencies occur that interrupt the Bay area's roadways and transit services, 511 SF Bay is your source for alternative travel information.

    Learn More

^ Back to top