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U.S. Department of Transportation U.S. Department of Transportation Icon United States Department of Transportation United States Department of Transportation

Hazardous Materials: Information Requirements Related to the Transportation of Trains Carrying Specified Volumes of Flammable Liquids

Notice of safety advisory.

FRA and PHMSA are issuing this notice to remind railroads operating a "high hazard flammable train" (HHFT)--defined as a train comprised of 20 or more loaded tank cars of a Class 3 flammable liquid in a continuous block, or a train with 35 or more loaded tank cars of a Class 3 flammable liquid across the entire train--as well as the offerors of Class 3 flammable liquids transported on such trains, that certain information may be required by PHMSA and/or FRA personnel during the course of an investigation immediately following an accident.

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