California Transportation: Inventory and Prospects

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Abstract
California has a superb transportation system. The 171,000 miles of public access highways provide both feeder and arterial systems throughout the state and allow rail, air, and port facilities to operate more efficiently. Approximately 97 percent of the passenger miles and more than 80 percent of the ton-miles of freight are transported by autos, trucks, and buses using this highway system. But the system is aging. Many of the most heavily traveled routes have exceeded their 25 year “design life.” Surfaces are cracking and buckling, on ramps are too short for the larger trucks and buses, and use of off ramps is so far in excess of designed capacity that congestion backs up onto freewavs and arterial streets. Major renovations are required which will be costly and require the closing of facilities.

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