US lawFederal (United States)RegulationsTitle 49 CFR — TransportationChapter II — FEDERAL RAILROAD ADMINISTRATION, DEPARTMENT OF TRANSPORTATIONPart 229 — RAILROAD LOCOMOTIVE SAFETY STANDARDSAppendix B to Part 22949 C.F.R. Appendix B to Part 229[Reserved]ReservedLast amended: 2019Year: 2026Length: 8 wordsOfficial source Cite as 49 C.F.R. Appendix B to Part 229 (2026)49 C.F.R. Appendix B to Part 229. [Reserved]Previous49 C.F.R. Appendix A to Part 229Next49 C.F.R. Appendix C to Part 229