49 C.F.R. § 236.302
Current through September 30, 2024
Track circuits and route locking shall be provided and shall be effective when the first pair of wheels of a locomotive or a car passes a point not more than 13 feet in advance of the signal governing its movement, measured from the center of the mast, or if there is no mast, from the center of the signal.
49 C.F.R. §236.302