Okla. Stat. tit. 47, § 47-15-102.1: Cellular phone usage – State preemption of orders,

ordinances or regulations.

A. The State Legislature hereby occupies and preempts the

entire field of legislation in this state touching in any way

inattentive driving and cellular phone usage in automobiles to the

complete exclusion of any order, ordinance or regulation by any

municipality or other political subdivision of this state. Any

existing or future orders, ordinances, or regulations in this field,

except as provided for in subsection B of this section, are null and

void.

B. Nothing contained in this section shall prohibit any order,

ordinance or regulation of any municipality from enacting and

enforcing laws prohibiting and penalizing conduct prohibited under

provisions of this act, but the provisions of such order, ordinance

or regulation by a municipality shall not be more stringent than

those of this act.