49 C.F.R. § 236.728
Circuit, trap.
Cite as 49 C.F.R. § 236.728 (2026)
A term applied to a circuit used where it is desirable to provide a track circuit but where it is impracticable to maintain a track circuit.
49 C.F.R. § 236.728
Cite as 49 C.F.R. § 236.728 (2026)