Ohio Revised Code Title LV. Roads Highways Bridges § 5533.52

(1) That portion of the road known as United States route thirty-six commencing at the boundary of Coshocton and Tuscarawas counties and extending to interstate seventy-seven;

(2) That portion of the road known as United States route thirty-six commencing at the boundary of Champaign and Miami counties and extending through Darke county to the Indiana border;

(3) That portion of the road known as interstate route two hundred eighty commencing at the point of interchange with interstate eighty-ninety and extending to the boundary of Wood and Lucas counties;

(4) That portion of the road known as state route eight, located within Summit county only;

(5) The road known as interstate route six hundred eighty, which is located wholly within Mahoning county.