This category contains sites about the past, present and future of California's roads and highways.
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California Department of Transportation
Caltrans is the state agency responsible for highway, bridge, and rail transportation planning, construction, and maintenance.
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.
91 Express Lanes
Information on the toll roadways on the Riverside Freeway (State Route 91) in metro Los Angeles.
Advanced Highway Maintenance and Construction Technology Research Center
UC Davis and Caltrans highway research center.
California Highway Patrol Traffic Incident Information
Live traffic incident information from the CHP computer system.
California Motorcycle Roads
Descriptions of scenic and challenging backroads.
Casey's Roads and Highways Page
Covers many aspects, including Historic U.S. highways and the unusually-numbered I-238.
DLK's Highway Page
Several freeway plans for the San Francisco Bay Area and California highway signs.
This electronic toll collection system lets drivers electronically pay tolls on California's bridges and toll roads without stopping.
Documents unusual and former routings in the southern part of the state. Includes photographs.
Friends of Southern California's Highways
A community grass-roots organization dedicated to the rebuilding and expansion of the regional freeway and thoroughfare system.
Historic Highways of Southern and Central California
Examines the area's highway past, present and future.
In Our Path
Describes the process of the construction of I-105 (Century Freeway) near Los Angeles.
Labor/contractor group advocating increased public investment in state infrastructure, including mass transit and highways.
The Ridge Route Preservation Organization
Maps, photos and history of the pioneer highway between Bakersfield and Los Angeles.
Includes live freeway speed maps and traffic incident summaries for many locations around the state.
South Bay Expressway
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.
Transportation Corridor Agencies
Builds and manages toll roads in Orange County. Includes toll and transponder information, proposed extensions, and discounts.
Unofficial Road Information For Highway 1, Big Sur
Information about old closures of SR 1 (Pacific Coast Highway) at Big Sur due to a landslide.
Last update:July 30, 2013 at 11:14:28 UTC