Okla. Stat. tit. 69 § 1271
For the purpose of promoting the public safety, health, welfare, convenience and enjoyment of public travel, to protect the public investment in public highways, and to preserve and enhance the scenic beauty of lands bordering public highways, while recognizing that outdoor advertising is a legitimate use of private property, it is hereby declared to be in the public interest to control the size, number, spacing, lighting, type and location of outdoor advertising devices, as hereinafter defined, in all areas within six hundred sixty (660) feet from the edge of the right-of-way of interstate and federal-aid primary highways located within urban areas, as hereinafter defined, in the State of Oklahoma and in all areas visible and intended to be read from the main traveled way of interstate and federal-aid primary highways located outside of urban areas in the State of Oklahoma. The Department of Transportation shall have the authority to implement and enforce this act, and may prohibit outdoor advertising devices in the control areas, and may regulate and permit certain outdoor advertising structures and devices in the control areas, within the limitations of this act and according to the standards and definitions set forth in this act.
Okla. Stat. tit. 69, § 1271