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 APPLIANCESAppendix A to Part 23649 C.F.R. Appendix A to Part 236[Reserved]ReservedLast amended: 2019Year: 2026Length: 8 wordsOfficial source Cite as 49 C.F.R. Appendix A to Part 236 (2026)49 C.F.R. Appendix A to Part 236. [Reserved]Previous49 C.F.R. § 236.0Next49 C.F.R. Appendix B to Part 236