49 CFR § 179.202-3
Approval to operate at 286,000 gross rail load (GRL)
November 18, 2020
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]