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

Mandatory Participation in Qualified One-Call Systems by Pipeline Operators

Final rule.

This final rule requires that operators of onshore gas, hazardous liquid, and carbon dioxide pipelines participate in qualified one-call systems as part of the required excavation damage prevention programs. The rule also limits the current exclusion of certain small gas systems from compliance with the damage prevention program requirements. This final rule is intended to reduce excavation damage, the largest single cause of pipeline failures.

View PDF