California Department of Transportation (Caltrans)

The California Department of Transportation (Caltrans) manages the nation's largest state highway system with over 50,000 lane miles of highway serving one of the world's largest economies. Caltrans is critical to the trucking industry as California's ports — Los Angeles, Long Beach, Oakland — handle roughly 40% of US container imports. Key freight corridors include I-5, I-10, I-15, I-80, and SR-99. The department administers commercial vehicle weight permits, the Freeway Ramp Metering system, and numerous truck inspection stations. Caltrans also enforces strict emissions standards relevant to trucking fleets operating in California.

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