The current framework of Caltrans was set down by Assembly Bill 69 in 1972.

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Caltrans, which designs and manages the state's major roadworks, is widely respected around the world for its engineering prowess and professionalism.

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CalTrans reports that the number of southbound travellers on morning trains out of San Francisco has more than doubled since 1992.

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Mr. Mayne is a gifted, experimental, unconventional architect who designs attention-getting structures such as the San Francisco Federal Building and the Caltrans headquarters in Los Angeles.

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Alone and in partnership with Amtrak, Caltrans is also involved in the support of intercity passenger rail service in California, and is a leader in promoting the use of alternative modes of transportation.

ENGADGET: IBM shows off Smarter Traveler traffic prediction tool

The State of California, Department of Transportation (Caltrans) is responsible for the design, construction, maintenance, and operation of the California State Highway System, as well as that portion of the Interstate Highway System within the state's boundaries.

ENGADGET: IBM shows off Smarter Traveler traffic prediction tool