Subject to the provisions of this part, the department is authorized, on behalf of the state, to enter into agreements with the United States Secretary of Transportation (as provided in Section 131 of Title 23 of the United States Code) relating to the control of outdoor advertising in areas adjacent to the interstate and primary systems, including the establishment of information centers at safety rest areas. The department is also authorized to take action in the name of the state to comply with the terms of such agreements.