Okla. Stat. tit. 69, § 69-1272: Application of act

The provisions of this act apply only to the erection and

maintenance of outdoor advertising signs, displays and devices

located in adjacent areas within six hundred sixty (660) feet from

the nearest edge of the right-of-way and which are visible and

intended to be read from the main traveled way and those which are

located in controlled areas beyond six hundred sixty (660) feet from

the nearest edge of the right-of-way, visible and intended to be

read from the main traveled way and erected with the purpose of

being read from the main traveled way.