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Welcome to Caltrans District 12
Caltrans - District 12
Serving Orange County
3337 Michelson Drive Ste. CN-380
Irvine, CA 92612
949.724.2000 Location
About District 12 - The transportation system in California is one of the state’s greatest assets, unmatched in size,capacity, and convenience to the traveling public. The California Department of Transportation (Caltrans)is the public agency responsible for designing, building, operating and maintaining California’s state highway system, which consists of freeways, highways, expressways, toll roads and the area between the road and property line. More
District Director - Cindy Quon
New Items
- Draft EIR for Lower SR-74 Widening available. Public Hearing Wednesday, January 14, 2009
- Important news outside District 12 - Las Vegas travel alert
Local news
- Orange County Freeway Projects
- Construction Alert - Ortega Highway - Nighttime Opening
- State Route 55 Project adds 5 1/2 miles of continuous access carpool lanes
- 91 Freeway Closure at Green River Road
- OC/LA Intercounty Transportation Study
- The Proposition 1B-Transportation Bond
- Strategic Growth Plan Overview
- Caltrans Strategic Plan 2007-2012
- Working Together Through Partnering Video
- California Energy Updates




Caltrans District 12 Homepage