Cal. Mil. & Vet. Code § 397
When an emergency has been declared to exist by the Governor and during the continuance thereof, any person belonging to the military or naval forces of the State or of the United States shall, together with his conveyance, personal baggage, and the military property of the State or of the United States in his charge, be allowed to pass free through all tollgates and over all toll bridges and all ferries, if he presents an order for duty in the military or naval service of the State or of the United States. The provisions of this section do not apply to any tollgate, toll bridge or ferry owned or operated by any private individual, corporation or utility, or owned or operated by any municipal corporation or bridge and highway district.
Ca. Mil. and Vet. Code § 397