Ohio Revised Code Title LV. Roads Highways Bridges § 5533.84

(A) State route number five hundred eighty-eight, commencing within the municipal corporation of Rio Grande and running in an easterly direction to the municipal corporation of Rodney to the intersection of that state route and Jackson pike;

(B) Jackson pike, commencing at the intersection of that highway and state route number five hundred eighty-eight and running in an easterly direction to the intersection of Jackson pike and state route number one hundred sixty.

The director of transportation may erect suitable markers upon those portions of those highways indicating their name.