Ohio Rev. Code § 4957.14: Petition to court.

Either the municipal corporation or the railroad company, after the expiration of three months from the passage of the ordinance referred to by section 4957.12 of the Revised Code, may apply to the court of common pleas by petition accompanied by the necessary plans prepared by the municipal corporation or company, asking that any grade crossing be abolished. Such plans must show the grades to be established for such streets, the changes to be made in the location of streets, alleys, roads, or ways, the height, character, and estimated cost of any viaduct or way above or below railroad tracks, the number, character, and location of piers, abutments, and supports to be permanently located in the streets, alleys, roads, or ways in the municipal corporation, and the change of grade to be made in any railroad tracks, including sidetracks and switches.