US lawFederal (United States)RegulationsTitle 49 CFR — TransportationChapter II — FEDERAL RAILROAD ADMINISTRATION, DEPARTMENT OF TRANSPORTATIONPart 213 — TRACK SAFETY STANDARDSSubpart B — Roadbed213.3149 C.F.R. § 213.31Scope.Last amended: 2017Year: 2026Length: 13 wordsOfficial source Cite as 49 C.F.R. § 213.31 (2026)This subpart prescribes minimum requirements for roadbed and areas immediately adjacent to roadbed.Next49 C.F.R. § 213.33