Okla. Stat. tit. 69 § 401
In order to facilitate civil defense and the construction and maintenance of flight strips, access highways, and the construction of other federal aid highways and roads, the Commission, upon the request of the Bureau of Public Roads, may cooperate with and act as the agent of the Bureau of Public Roads in making the surveys, plans and specifications and estimates for, and in the construction and maintenance of, flight strips, roads and bridges necessary to provide access to military and naval establishments, defense industries, defense-industry sites, source of raw materials, roads and bridges replacing existing highways and highway connections shut off from general public use at military and naval reservations and defense-industry sites, and other federal aid highways. Notwithstanding any other provisions of law, the Commission may negotiate and enter into contracts for the construction or maintenance of any such flight strip, road, bridge or highway, under such procedure, in such manner and upon such terms and conditions as may be approved by the Bureau of Public Roads, or may, either as principal or agent of the Bureau of Public Roads, perform such construction and maintenance work by the "force-account" method. The provisions of this article shall be applicable in all cases where the work is being paid for either in whole with federal funds or in part with federal funds and in part with funds of the State of Oklahoma or one of its subdivisions.
Okla. Stat. tit. 69, § 401