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Datasets

148 datasets

U.S Department of Transportation

Non-Major Safety and Security Events (FRA Commuter Rail Only)

Counts of Non-Major Safety and Security Events are reported to the National Transit Database on a monthly basis, by transit agency and transit mode. These include minor fires on transit property requiring suppression,…

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Updated Oct 25, 2026

U.S Department of Transportation

Hazardous Materials Safety Interpretations

The Pipeline and Hazardous Materials Safety Administration, Office of Hazardous Materials Safety (OHMS) provides written clarifications of the Hazardous Materials Regulations (HMR; 49 CFR Parts 100-185) in the form of…

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Updated Oct 25, 2026

U.S Department of Transportation

Federal Motor Vehicle Safety Standards Interpretations -

NHTSA's Chief Counsel interprets the statutes that the agency administers and the regulations that it promulgates. The Chief Counsel's interpretations, issued in the form of letters responding to questions from the…

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Updated Oct 25, 2026

U.S Department of Transportation

New Car Assessment Program (NCAP) - 5 Star Safety Ratings

NCAP rates vehicles to determine crash worthiness and rollover safety. The safety ratings are gathered during controlled crash and rollover tests conducted at NHTSA research facilities. Vehicles with a rating of five…

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Updated Oct 25, 2026

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