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Find a Commonwealth ResourceU.S Department of Transportation
About Transportation Services Index The Transportation Services Index (TSI), created by the U.S. Department of Transportation (DOT), Bureau of Transportation Statistics (BTS), measures the movement of freight and…
Updated Oct 25, 2026
U.S Department of Transportation
The Pipeline Safety Enforcement Program is designed to monitor and enforce compliance with pipeline safety regulations and confirm operators are meeting PHMSA expectations for safe, reliable, and environmentally sound…
Updated Oct 25, 2026
U.S Department of Transportation
Title 49 of the Code of Federal Regulations (49 CFR Parts 191, 195) requires pipeline operators to submit incident reports within 30 days of a pipeline incident or accident. The CFR defines accidents and incidents, as…
Updated Oct 25, 2026
U.S Department of Transportation
Mechanical Fitting Failure (MFF) reports from Gas Distribution Operators are no longer required by PHMSA. Zip file include 2011-2021 submissions. While individual MFF reports are no longer required, the Gas Distribution…
Updated Oct 25, 2026
U.S Department of Transportation
In the flagged files, PHMSA add data that are routinely used during data analysis and when presenting certain 20-year trends. Information includes: serious incidents (involving a fatality or injury requiring in-patient…
Updated Oct 25, 2026
U.S Department of Transportation
PHMSA regulations in 49 CFR Part 199 require operators of pipelines, liquefied natural gas plants, and underground natural gas storage facilities to submit data to the DOT DAMIS. Operators with less than 50 covered…
Updated Oct 25, 2026
U.S Department of Transportation
The NPMS Public Map Viewer allows everyone, including the general public to view maps of Gas Ttransmission, Hazardous Liquid and Carbon dioxide pipelines, Liquefied Natural Gas (LNG) plants, and Hazardous Liquid…
Updated Oct 25, 2026
U.S Department of Transportation
The Code of Federal Regulations (49 CFR Parts 191, 195) requires operators of Gas Distribution, Gas Gathering, Gas Transmission, Hazardous Liquids, Liquefied Natural Gas (LNG), and Underground Natural Gas Storage (UNGS)…
Updated Oct 25, 2026
U.S Department of Transportation
PHMSA tracks Safety-Related Condition Reports (SRCR) and Integrity Assurance (formerly IM) Notifications submitted by operators to monitor the effectiveness of integrity programs and safety management systems before…
Updated Oct 25, 2026
U.S Department of Transportation
Visualizations of unadjusted and seasonally adjusted transportation data.
Updated Oct 25, 2026
