Ohio Rev. Code § 5534.86: The American Legion Highway.

In addition to any other name prescribed in the Revised Code or otherwise, the eastbound and westbound lanes of state route number seven hundred three, between the intersections of that route and state route number twenty-nine in Mercer county and state route number three hundred sixty-four in Auglaize county, shall be known as "The American Legion Highway."

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