Ohio Rev. Code § 1546.07
The chief of the division of parks and watercraft shall have the power to contract with any telephone company, which provides telephone service in the area of which a state park is located, for the establishment or maintenance of any telephone service in any location in such state park. The board of directors of a conservancy district shall have the power to contract with any telephone company which provides telephone service in the area in which a park, parkway, forest preserve, bathing beach, playground, or other recreational facility of the conservancy district is located, for the establishment or maintenance of public telephone service in any location in such conservancy district park, parkway, forest preserve, or recreational facility. The director of transportation shall have the power to contract with any telephone company which provides telephone service in the area in which a highway right-of-way is located, for the establishment or maintenance of public telephone service in any location in a state park or on a highway right-of-way.
For purposes of this section, the chief, board, and director may agree to comply with any rules and regulations of the telephone company with respect to public telephone service contained in its schedules on file with the public utilities commission of Ohio or applied by such telephone company to others in similar locations. For the purpose of establishing or maintaining such public telephone service, the chief in state parks or the director of transportation on highway right-of-ways may grant to such telephone company, without charge, appropriate permits for right-of-way for its facilities necessary to establish and maintain such public telephone service which permits shall remain valid as long as such public telephones remain in service.
R.C. § 1546.07