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 — Definitions236.77849 C.F.R. § 236.778Piece, driving.Last amended: 2017Year: 2026Length: 20 wordsOfficial source Cite as 49 C.F.R. § 236.778 (2026)A crank secured to a locking shaft by means of which horizontal movement is imparted to a longitudinal locking bar.Previous49 C.F.R. § 236.777Next49 C.F.R. § 236.779