Okla. Stat. tit. 2, § 2-16-23: Adoption of rules for road crews

The State Department of Highways and the county commissioners of

the several counties of this state shall require their construction

and maintenance crews, contractors, subcontractors, and employees to

comply with the provisions of the Oklahoma Forestry Code, and the

highway department or county commissioners may adopt and promulgate

rules for the observance of the crews, contractors, subcontractors,

and employees in carrying out the purposes and provisions of the

Oklahoma Forestry Code.