Okla. Stat. tit. 47, § 47-14-123: Roads and highways - Size, weight, and speed

regulations.

Any motor vehicle of any size, except those motor vehicles

regulated pursuant to Section 14-101 et seq. of Title 47 of the

Oklahoma Statutes, meeting the legal requirements for safety

equipment and licensed to operate on public roadways in this state

shall be allowed to operate in accordance with all size, weight and

speed regulations on any road or highway in this state including the

National System for Interstate and Defense Highways.