Ohio Rev. Code § 5533.49: Simon Kenton Memorial Highway.

The road known as the United States route number sixty-eight, running in a north and south direction, commencing at the north edge of the Simon Kenton memorial bridge over the Ohio river at the municipal corporation of Aberdeen in Brown county and extending to the north boundary of the municipal corporation of Kenton in Hardin county, shall be known as the "Simon Kenton memorial highway."

The director of transportation may erect suitable markers upon the highway indicating its name.