Okla. Stat. tit. 69 § 1331
Within their respective jurisdictions, the State of Oklahoma through the Commission, and the governing body of every city within the provisions of this article, and the board of county commissioners of each county, acting alone, or in cooperation with any federal, state, county or city agency having authority to participate in the construction or maintenance of highways, shall have authority to plan, designate, establish, regulate, vacate, alter, improve, maintain and provide limited access facilities; and may designate the whole or any part or parts thereof as parkways, or as heavy traffic highways, or may otherwise limit or specify the type of traffic entitled to use the same. For the purposes of this article, each city within the provisions of this article, and every county within the state, shall have authority to acquire property and rights-of-way for limited access facilities by gift, devise, purchase or condemnation in the same manner as may be authorized by law for the acquisition of such property or property rights for highways and streets within their respective jurisdictions. The decision by any such governing body that any such limited access facility constructed, or to be constructed, is a public utility shall be final and conclusive.
Okla. Stat. tit. 69, § 1331