Welcome to District 12 Orange County

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

Caltrans is subdivided into twelve business units called Districts that form the geographic whole of California. Each District has jurisdictional responsibility related to a county or a group of counties, and is led by a District Director who is authorized by State law to carry out all
responsibilities related to state highways within the District. That delegation of authority is from the Caltrans Director in Sacramento, a statutory state government officer who is appointed by the governor and confirmed by the state senate.

Caltrans District 12 encompasses the entirety of Orange County and was established by the California State Legislature in 1988. The jurisdictional boundaries of the District, Orange County, encompass a metropolitan area of 33 cities and 2.8 million people, crisscrossed by 17 state highway routes. In addition to over 300 route miles of highway, there are 234 directional miles of high occupancy vehicle (HOV or carpool) lanes currently operating in District 12 - one of the largest number of full-time HOV miles in California.

The revenue that funds Caltrans is the fuel tax collected on fuel sales. The revenue is distributed by mathematical formulas; some set by state law, some by Caltrans’ policy. District 12’s annual budget is determined by those formulas, and with dollars used to fund expenses related to office facilities, payroll and benefits, capital construction and equipment.