US lawFederal (United States)RegulationsTitle 49 CFR — TransportationChapter I — PIPELINE AND HAZARDOUS MATERIALS SAFETY ADMINISTRATION, DEPARTMENT OF TRANSPORTATIONPart 179 — SPECIFICATIONS FOR TANK CARSSubpart D — Specifications for Non-Pressure Tank Car Tanks (Classes DOT-111AW, 115AW, and 117AW)179.202-349 C.F.R. § 179.202-3Approval to operate at 286,000 gross rail load (GRL).Last amended: 2016Year: 2026Length: 40 wordsOfficial source Cite as 49 C.F.R. § 179.202-3 (2026)A tank car may be loaded to a gross weight on rail of up to 286,000 pounds (129,727 kg) upon approval by the Associate Administrator for Safety, Federal Railroad Administration (FRA). See § 179.13. [80 FR 26749, May 8, 2015]Cross-references to the CFR179.13.Previous49 C.F.R. § 179.202-1Next49 C.F.R. § 179.202-4