Okla. Stat. tit. 69 § 1698.249
From the Cherokee Nation Capitol Building, along U.S. Highway 62 from the City of Tahlequah to the Arkansas border shall be designated as the "Trail Of Tears Historic Bike Route". The cost associated with signage required by this section shall be provided from private sources 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 from private sources and after a shoulder lane has been provided, the Department of Transportation shall cause suitable permanent markers to be placed upon the highway bearing the name "Trail Of Tears Historic Bike Route". Contingent upon the availability of funds, the Department shall provide a shoulder lane designated for use by bicycle traffic on the Trail Of Tears Historic Bike Route.
Okla. Stat. tit. 69, § 1698.249