Ohio Rev. Code § 5533.766: Army Sgt. Jon Martin Memorial Highway.

In addition to the designation of the road known as United States route number twenty in section 5533.04 of the Revised Code, that portion of United States route twenty commencing at the intersection of that road and county road number three hundred two in Sandusky county and proceeding in an easterly direction through the municipal corporation of Bellevue to the intersection of that United States route and prairie road, shall be known as the "Army Sgt. Jon Martin Memorial Highway."

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