CA Dept. of Transportation/Caltrans District 12 Orange County and District 7 Los Angeles/Ventura County. The Department of Transportation (Caltrans) provides a safe sustainable integrated and efficient transportation system to enhance Californias economy and livability. Caltrans is responsible for all landscaping operations along the State Highway system. As part of landscaping Caltrans provides the Adopt-A-Highway program for individuals organizations businesses and government agencies to help maintain and beautify sections of roadside. An adoption site usually spans a two-mile stretch of roadside park and ride lots vista points and freeway ramps. If space allows a recognition panel with your name or business name will be installed. AAH permits are issued for a period of five years. This program saves taxpayers millions of dollars every year and promotes a positive example of stewardship civic responsibility and community pride. We need your help! Litter cleanup is a monumental task for one group or one state agency to tackle alone. Sign up today.