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Caltrans District 4 Serving the Bay Area
Caltrans Climate Change Vulnerability Assessment
Weather events and maintenance operations may affect your route, especially in areas affected by recent wildfires. Check road status on QuickMap before you go and obey evacuation orders.
For localized Twitter updates including road closures: follow Caltrans on social media by regional locations http://www.dot.ca.gov/paffairs/social-media.html.
Serving Sonoma, Napa, Solano, Marin, San Francisco, Contra Costa, Alameda, San Mateo and Santa Clara
Check Current Highway Conditions
QuickMap is available in both Google Play and in the App Store.
Alameda | Contra Costa | Marin | Napa | San Francisco | San Mateo | Santa Clara | Solano | Sonoma
District 4 Departments
Phone: (510) 286-4444
Physical Address:
California Department of Transportation District 4 111 Grand Ave Oakland, CA 94612
Mailing Address:
California Department of Transportation District 4 P.O. Box 23660 Oakland, CA 94623-0660
