No non-motorized vehicular traffic will be allowed to operate on fully controlled access highways. This restriction includes, but is not limited to all bicycles, animals, wagons, or combinations of such vehicular types. The Department may, where no acceptable alternative route exists, designate and sign portions of the Interstate System as a bicycle route. On such designated routes bicycles shall not be ridden on the travel lanes of the highway.
Okla. Admin. Code § 730:35-7-4