In addition to any other name prescribed by the Revised Code or otherwise, that portion of interstate route two hundred seventy, commencing at the interchange of that route and state route one hundred sixty-one in northeast Franklin county and extending in a westerly direction to the intersection of interstate route two hundred seventy and Cemetery road, in the municipal corporation of Hilliard in Franklin county, shall be known as the "Hilliard Patrol Officer Sean Johnson Memorial Highway."
The director of transportation may erect suitable markers along the highway indicating its name.