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.

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

Oak Ridge National Laboratory Review of PHMSA's Pipeline Special Permit Process

In response to a July 2021 Government Accountability Office report entitled "Information on Keystone Accidents and DOT Oversight," PHMSA selected the Department of Energy’s Oak Ridge National Laboratories to conduct an assessment of various components of PHMSA's pipeline special permit program.

See the report for a full description of its findings, suggested improvements, and PHMSA's actions.
 

DOT is committed to ensuring that information is available in appropriate alternative formats to meet the requirements of persons who have a disability. If you require an alternative version of files provided on this page, please contact PHMSA-Accessibility@dot.gov.
Last updated: Friday, October 27, 2023