Cal. Veh. Code § 31616
The Department of the California Highway Patrol, after consultation with the officials having the responsibility for the prevention and suppression of fire in communities through which routes for the transporting of explosives pass, representatives of transportation companies concerned, explosives manufacturers, and the State Fire Marshal shall, by regulation, designate the routes in this state which are to be used for the transportation of explosives. The Department of the California Highway Patrol shall prepare for distribution to persons engaged in the transportation of explosives, maps which clearly indicate the routes, as established in regulations, which are to be used for the transportation of explosives. The Department of the California Highway Patrol shall prepare for distribution to persons engaged in the transportation of explosives a list of locations of required inspection stops, safe parking places, and safe stopping places and shall revise the list to keep it current. Notwithstanding any other provision of law, regulations adopted pursuant to this section shall be adopted in accordance with Chapter 3.5 (commencing with Section 11340) of Part 1 of Division 3 of Title 2 of the Government Code, except that, for the purposes of subdivision (a) of Section 11346.4 of the Government Code, the public comment period shall be 30 days, and the regulations shall become effective upon filing with the Secretary of State.
Ca. Veh. Code § 31616