It shall be the function and duty of the Commissioner of Highways to administer and enforce the provisions of this article, and in the performance of his or her duties hereunder, he or she may assign to division engineers, and other employees in his or her department, such duties as he or she may deem proper. The commissioner is hereby authorized and empowered to promulgate rules and regulations implementing the provisions of this article, including rules and regulations permitting the State of West Virginia to comply with the provisions of Title 23, United States Code, relating to the payment of bonuses for the regulation of outdoor advertising adjacent to the interstate system and the terms and provisions of any agreement heretofore entered into pursuant to law by and between the Commissioner of Highways of West Virginia and the Secretary of Commerce of the United States relating to the payment of such bonuses, any provisions of this article to the contrary notwithstanding.