Mo. Rev. Stat. § 227.497: US Army Sergeant Hugh C Dunn Memorial Highway designated for portion of U.S. State Highway 63 in Macon County.

The portion of U.S. State Highway 63 from Spruce Street to McKay Street within the city of Macon in Macon County shall be designated as the "US Army Sergeant Hugh C Dunn Memorial Highway". The department of transportation shall erect and maintain appropriate signs designating such highway, with the costs to be paid by private donations.