Okla. Stat. tit. 47, § 47-12-203.4: Lighting equipment upon motor vehicles operated below

certain speed.

Any motor vehicle operated at a speed of twenty (20) miles per

hour or less may be operated under the conditions specified in

subsection B of Section 12-201 of this title when equipped with two

lighted lamps upon the front thereof capable of revealing persons

and objects one hundred (100) feet ahead in lieu of lamps required

in Section 12-203 or 12-203.3 of this title.