US lawFederal (United States)RegulationsTitle 49 CFR — TransportationChapter II — FEDERAL RAILROAD ADMINISTRATION, DEPARTMENT OF TRANSPORTATIONPart 229 — RAILROAD LOCOMOTIVE SAFETY STANDARDSSubpart C — Safety Requirements229.9549 C.F.R. § 229.95Venting.Last amended: 2017Year: 2026Length: 16 wordsOfficial source Cite as 49 C.F.R. § 229.95 (2026)Fuel tank vent pipes may not discharge on the roof nor on or between the rails.Previous49 C.F.R. § 229.93Next49 C.F.R. § 229.97