Live traffic incident information from the CHP computer system.

UC Davis and Caltrans highway research center.

Caltrans is the state agency responsible for highway, bridge, and rail transportation planning, construction, and maintenance.

This electronic toll collection system lets drivers electronically pay tolls on California's bridges and toll roads without stopping.

Gives detailed history and other information on county, state, U.S. and Interstate facilities in the state. Includes links to pages within the cahighways.org domain.

Information on the toll roadways on the Riverside Freeway (State Route 91) in metro Los Angeles.

Builds and manages toll roads in Orange County. Includes toll and transponder information, proposed extensions, and discounts.

Includes live freeway speed maps and traffic incident summaries for many locations around the state.

Labor/contractor group advocating increased public investment in state infrastructure, including mass transit and highways.

Automated FasTrak toll road in San Diego to open Fall 2006 that will service Chula Vista, Bonita, and Otay Mesa, connecting SR-54 to the Mexico border as part of SR-125. News and project overview.