SEC. 57.5604.13.4.2. WARNING PLACARDS.

   Warning placards designed and constructed as specified by the United States Department of Transportation shall be displayed on each side, and at the front and rear of vehicles carrying explosive materials.

SEC. 57.5604.13.4.3. PORTABLE FIRE EXTINGUISHERS.

   At least two approved portable fire extinguishers shall be carried in accessible locations on every vehicle. One extinguisher shall have a Class 2A rating and the other shall have a Class l0B:C rating.

SEC. 57.5604.13.5. MAINTENANCE OF VEHICLES.

   Vehicles used for the transportation of explosive materials shall be properly maintained, including brakes, headlights, warning devices, and other parts thereof. The chassis, motor, body, and all other parts of the vehicle shall be clean and free from surplus oil and grease. Gasoline tank and piping shall be secure and without leaks. Electric wiring shall be completely insulated and properly secured.

SEC. 57.5604.13.6. PROHIBITED ACTS.

   Acts listed in Sections 57.5604.13.6.1 through 57.5604.13.6.5 are prohibited.

SEC. 57.5604.13.6.1. FLAME-PRODUCING DEVICE.

   No person shall carry matches, or any other flame-producing device, firearms or loaded cartridges while on or near a vehicle loaded with explosive materials.

SEC. 57.5604.13.6.2. TRAILERS.

   Explosives shall not be transported in a trailer, nor shall any trailer be attached to any vehicle transporting explosives.

SEC. 57.5604.13.6.3. SMOKING OR USE OF MATCHES.

   No person in, upon, or near any vehicle carrying explosive materials shall smoke or light any match or otherwise have or produce any fire.