Mississippi Code Title 49. Conservation and Ecology § 49-23-27

The State Highway Commission is hereby authorized to enter into agreements with the United States Secretary of Commerce as provided by Title 23, United States Code, relating to the control of outdoor advertising in areas adjacent to the interstate and primary highway systems, including the establishment of information centers at safety rest areas, and to take action in the name of the state to comply with the terms of such agreement, provided that the state highway commission shall not have power to enter into any agreement calling for more restrictive control of outdoor advertising than that provided for in Sections 49-23-1 through 49-23-29.