Ohio Rev. Code § 4907.26: Schedules of joint rates.

When passengers or property are transported over connecting railroads in this state operated by two or more railroads which establish joint rates, fares, and charges, a schedule thereof, compiled as provided in section 4907.25 of the Revised Code, shall be printed, filed with the public utilities commission, and filed in every depot, station, and office of such railroads where passengers or property are received for transportation.