Combining the highway inventory with accident data allows the Department to generate reports that identify locations with significantly high accident concentrations for further safety analysis and investigation. We provide also data to the Governor's office, the State Legislators, and the Federal Highway Administration in order to secure transportation funding for California's highways. Home Programs Research, Innovation and System Information Office of Highway System Information and Performance Office of Highway System Information and Performance Our office collects and analyzes report statistics related to the fiscal status, physical and geometric extent, performance, and designation of the State's roadway systems.
Streets and highways are grouped into classes according to the service they provide. The California Road System CRS maps on this web site display functional classification which is used in determining Federal funding to maintain the roads. The adjustment process is completed through the cooperative efforts of State and local officials and approved by the Federal Highway Administration FHWA.
The Adjusted Urban Area Maps are the result of this process. Inmates were paid 35 cents per day and their prison sentences reduced in return for their hard work. Locals like John Steinbeck also worked on the road. Seventy thousand pounds of dynamite blasted through the granite, marble and sandstone of the rugged terrain and lime was smelted for making concrete. The heaviest construction was in the mile section between Spruce Creek and the area north of San Simeon.
More than 10 million cubic yards of rock was blown away. In , work crews found some of the original dynamite sticks under a section of the road. Although the construction was essential, much devastation was caused by dynamiting and later bulldozing and scars and subsequent repairs are visible. From the 33 bridges constructed with Highway One comes the famous Bixby Rainbow Bridge at Big Sur that we know from automobile commercials.
Eight hundred twenty-five trucks brought in 6, cubic yards of concrete and , pounds of reinforcing steel. The rainbow arch was first formed with , board feet of Douglas fir. Maintenance, like all roads, is ongoing. In the year life span of the Pacific Coast Highway the most damage was from landslides.
Winter storms cause erosion, resulting in the closing of the highway for extended periods. But when spring comes the road opens and once again tourists and natives alike enjoy the scenic drive. The Pacific Coast Highway provides the opportunity to visit some of California's best tourist spots. Another good source to getting questions answered is Caltrans itself and you must use the Caltrans contacts if the question relates to potential legal issues.
Note: This is a hobbyist website. The California Highways Site is not affilated with or sponsored by Caltrans, the California Department of Transportation, although I truly appreciate the support that Caltrans staff have provided me in doing research, and the kind words they have sent me regarding the information on this site. I'll be glad to answer any question I can, but this is a hobbyist site.
If you are looking for the current status of a particular state route, try the Caltrans Highway Status page. If you have a maintenance problem to report, use the Caltrans Maintenance Report Form.
This section provides information on every state numbered route that was ever defined in California. This includes the route's current definition, as well as historical information and all known names. This section provides information on the state's County Sign Route systems. These are the routes on the blue pentagon signs with numbers such as N4 or J7. This section provides the definitions of the various state highway types in California.
This section provides information on the different types of Interstate highways, and gives a history in Interstate highway submissions by the state of California. This section explains how highways are numbered and were numbered in California.
It includes information on Interstate, U.
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