US lawFederal (United States)RegulationsTitle 49 CFR — TransportationChapter II — FEDERAL RAILROAD ADMINISTRATION, DEPARTMENT OF TRANSPORTATIONPart 213 — TRACK SAFETY STANDARDSSubpart A — General213.1449 C.F.R. § 213.14Application of requirements to curved track.Last amended: 2017Year: 2026Length: 28 wordsOfficial source Cite as 49 C.F.R. § 213.14 (2026)Unless otherwise provided in this part, requirements specified for curved track apply only to track having a curvature greater than 0.25 degree. [78 FR 16100, Mar. 13, 2013]Previous49 C.F.R. § 213.13Next49 C.F.R. § 213.15