US lawFederal (United States)RegulationsTitle 49 CFR — TransportationChapter II — FEDERAL RAILROAD ADMINISTRATION, DEPARTMENT OF TRANSPORTATIONPart 236 — RULES, STANDARDS, AND INSTRUCTIONS GOVERNING THE INSTALLATION, INSPECTION, MAINTENANCE, AND REPAIR OF SIGNAL AND TRAIN CONTROL SYSTEMS, DEVICES, AND APPLIANCESSubpart G — Definitions236.75849 C.F.R. § 236.758Lock, electric, forced drop.Last amended: 2017Year: 2026Length: 16 wordsOfficial source Cite as 49 C.F.R. § 236.758 (2026)An electric lock in which the locking member is mechanically forced down to the locked position.Previous49 C.F.R. § 236.757Next49 C.F.R. § 236.759