Okla. Stat. tit. 69, § 69-3006: Consent of governing body

The trustees shall negotiate a contract or contracts to

accomplish the purposes enumerated in Section 1 of this act;

however, prior to entering into a construction contract, it will be

necessary for the board of trustees of such trust to obtain the

consent of the governing body of any county, city or town of more

than one thousand (1,000) population, according to the last

preceding Federal Decennial Census, in which such expressway or any

part thereof may be located.