Okla. Stat. tit. 47, § 47-11-105: Persons working on highways - Exceptions

Unless specifically made applicable, the provisions of this

chapter except those contained in Article IX hereof shall not apply

to persons, teams, motor vehicles and other equipment, while

actually engaged in work upon the surface of a highway, or to

persons, motor vehicles and other equipment while actually engaged

in construction, maintenance or repair of public utilities provided

that all highway and public utility operations shall be protected by

adequate warning signs, signals, devices or flagmen, but the

provisions of this chapter shall apply to such persons and vehicles

when traveling to or from such work.