The powers granted under this act shall in no way extend the power of state and local authorities having jurisdiction over highways, roads, streets, alleys, bridges or rights-of-way to the point that (a) federal regulations pertaining to federal aid rights-of-way are violated, (b) constitutional limits on the power of such authorities are exceeded, or (c) the right of the public to full and unobstructed use of highways, roads, streets, alleys, bridges and rights-of-way is impaired.
Okla. Stat. tit. 60, § 810