In addition to the designations of the road known as United States route twenty-three in section 5533.05 of the Revised Code, the portion of that road running in a north and south direction, commencing at the boundary of Franklin and Delaware counties and extending to the municipal corporation of Delaware, and also the portion of that road located in Scioto county, from mile marker number three to mile marker number ten, shall be known as the "Branch Rickey Memorial Highway."
The director of transportation may erect suitable markers along each designated portion of the highway indicating its name.