Ohio Revised Code Title LV. Roads Highways Bridges § 5535.01

(A) State roads include the roads and highways on the state highway system.

(B) County roads include all roads which are or may be established as a part of the county system of roads as provided in sections 5541.01 to 5541.03, inclusive, of the Revised Code, which shall be known as the county highway system. Such roads shall be maintained by the board of county commissioners.

(C) Township roads include all public highways other than state or county roads. The board of township trustees shall maintain all such roads within its township. The board of county commissioners may assist the board of township trustees in maintaining all such roads. This section does not prevent the board of township trustees from improving any road within its township.