Okla. Stat. tit. 69, § 69-1286: Highway beautification - Repair, maintenance or change to

nonconforming signs.

For the purpose of highway beautification, the Transportation

Commission may adopt rules regarding the repair or maintenance of,

or changes to, nonconforming advertising signs, displays or devices,

as defined in Section 1278 of Title 69 of the Oklahoma Statutes,

including the size, height, lighting, replacement, rebuilding, or

re-erection of such structures.