USA Banner

Official US Government Icon

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure Site Icon

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.

Portions of the Department of Transportation are currently in shutdown/furlough status due to a lapse in appropriations. Please continue to monitor this page for updates on DOT’s operating status.
U.S. Department of Transportation U.S. Department of Transportation Icon United States Department of Transportation United States Department of Transportation

Accident Maps

Pipeline Accident Maps - National Pipeline Mapping System

Pipeline accidents are geospatially located in the National Pipeline Mapping System (NPMS) Public Viewer. Via the mapping system, users can query basic information about the accident, the pipeline operator, and the commodity released.

Figure 7: Screen shot from NPMS provides an example of the available information
Figure 1: Screen shot from NPMS provides an example of the available information

Accident Heat Maps

Pipeline "heat" maps graphically depict the density of hazardous liquid accidents and gas transmission incidents. PHMSA's Pipeline Data Visualization page contains gas transmission and hazardous liquid heat maps.

Figure 1: Incident Density of Gas Transmission Pipeline Incidents
Figure 2: Incident Density of Gas Transmission Pipeline Incidents

Reporting Pipline Accident information Instruction to call 911
Last updated: Tuesday, July 15, 2025