The board of county commissioners of any county shall have authority to employ consulting engineers to make locations and prepare plans and specifications on any federal aid secondary highway project on the county highway system; and the supervision and inspection of any such project may be done by a consulting engineer, or by an engineer of the department assigned for such purpose when request therefor is made to the Department by the board of county commissioners. Laws 1968, c. 415, § 652, operative July 1, 1968.
Oklahoma Legal Code