In addition to the name prescribed by section 5533.32 of the Revised Code, that portion of the highway known as interstate number seventy-one, running in a northerly and southerly direction within Ashland county between mile marker number one hundred eighty-nine and mile marker number one hundred ninety-one, also shall be known as the “Trooper James R. Gross Memorial Highway.”

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