Ohio Rev. Code § 1519.03
The director of natural resources, through the chief of the division of parks and watercraft, shall prepare and maintain a current inventory of trails, abandoned or unmaintained roads, streets, and highways, abandoned railroad rights-of-way, utility easements, canals, and other scenic or historic corridors or rights-of-way that are suitable for recreational use. The director shall prepare and publish a comprehensive plan for development of a statewide trails system to serve present and future trail recreation needs of the state. Any state department, agency, political subdivision, or planning commission shall furnish available maps, descriptions, and other pertinent information to the director or provide access to the director's representatives for inspection and duplication, upon request by the director, for trail inventory and planning purposes.
R.C. § 1519.03