Health and Safety Code § 25167.3

25167.3.

It is the intent of the Legislature that this article preempt all local regulations and all conflicting state regulations concerning the transportation of hazardous waste, including all inspection, licensing, and registration of trucks, trailers, semitrailers, vacuum tanks, cargo tanks, and containers used to transport all types of hazardous wastes. No state or local agency, including, but not limited to, a chartered city or county, shall adopt or enforce any ordinance or regulation which is inconsistent with the rules and regulations adopted by the Department of Toxic Substances Control, the Department of the California Highway Patrol, or the State Fire Marshal pursuant to this article.