Operators of vehicles transporting blasting agents

Vehicles transporting blasting agents shall only be driven by and be in charge of a licensed driver who is physically fit, careful, capable, reliable, able to read and write the English language proficiently, and not addicted to the use, or under the influence of intoxicants, narcotics, or drugs, and not less than 21 years of age. He shall be familiar with the traffic regulations, state laws, and the provisions of these regulations.