Okla. Stat. tit. 69, § 69-1698.363: Historic Jefferson Highway Route

State Highway 69 from the Kansas border to the Texas border

shall be designated as the "Historic Jefferson Highway Route". The

costs associated with signage required by this section may be

provided by private sources, or other categories of available

funding, and shall include the cost of the initial erection of signs

as well as the cost of potential replacement or reconstruction of

signs. Upon receiving adequate funding, the Department of

Transportation shall cause suitable permanent markers to be placed

upon the highway bearing that name. The permanent markers shall be

designed in consultation with the Jefferson Highway Association.