The secretary of transportation is hereby authorized to enter into an agreement with the secretary of the department of transportation of the United States government for the purpose of controlling outdoor advertising in areas adjacent to the interstate and federal-aid primary highway systems or the national highway system in accordance with 23 U.S.C. § 131 (b), 23 U.S.C. § 104 and 23 C.F.R. part 750.
K.S.A. 68-2235