An official website of the United States government
Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
This page shows Department of Transportation content pertaining to a specific tag. If you cannot find what you’re looking for on this page, please use the search box in the top right of our website.
The Precursor Safety Data Program is operated by the Bureau of Transportation Statistics (BTS) Office of Safety Data and Analysis to improve safety practices by understanding the factors...
This 2024 report summarize progress made in upgrading North American rail tank cars transporting Class 3 flammable liquids to the DOT-117 standards. The new DOT-117 standards, finalized in 2015, specify the...
Section 7308 of the Fixing America’s Surface Transportation Act (FAST Act; P. L. 114-94; December 4, 2015) requires the U.S. Department of Transportation (DOT) to assemble and collect data on rail tank cars transporting Class 3 flammable liquids. The objective of this legislation is to...