Ohio Code § 4907.50

§ 4907.50.

When two or more railroads, or a railroad and an electric railway, erect a system

of interlocking works or fixtures at the place where such railroads, or railroad and

railway, cross each other at a common grade, or when a railroad erects such works

or fixtures at a swing bridge or drawbridge where it crosses a stream, and such works

or fixtures render it safe for engines or trains to pass over such crossing or bridge

without stopping, such railroads may run engines or trains over such works or fixtures

without stopping if such system of interlocking works or fixtures was approved by

the public utilities commission, and a plan thereof prepared by such railroads and

filed with the commission.