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You can also call 1-800-427-7623 for current highway conditions.
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A driver of a commercial vehicle operated in California must possess a valid commercial drivers license.
OUT-OF-STATE: For out-of-state carriers, that commercial license must be issued by the driver's state or country of domicile (Mexico, Canada or any U.S. jurisdiction).
IN-STATE: For California carriers, see the CA Department of Motor Vehicles (DMV) website.
You may contact DMV by phone at 1-800-777-0133.