Okla. Stat. tit. 69, § 4022
The Department of Transportation shall contract with a person, firm, group or association in the State of Oklahoma to establish a logo signing program for the purpose of providing on the right-of-way and controlled access highways specific information on gas, food, camping, tourism attractions and lodging, for the benefit of the motoring public.
Laws 1988, SB 519, c. 126, § 2, emerg. eff. April 8, 1988; Amended by Laws 2004, SB 1608, c. 69, § 1, emerg. eff. April 7, 2004 (superseded document available).