Ohio Rev. Code § 4907.42: Interchange of traffic.

Railroad companies as between themselves, and interurban railroads and electric railways as between themselves, shall afford reasonable and proper facilities for interchange of traffic between their respective lines, for forwarding and delivering passengers and property, and shall transfer and deliver, without unreasonable delay or discrimination, loaded or empty cars, freight, or passengers, destined to a point on its own or connecting lines. Precedence over other freight may be given to livestock and perishable freight.