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

Cost-Benefit Study of Excess Flow Valve Installation on Gas Service Lines

Notice of study availability and request for public comments.

This notice seeks comments from the public on a cost-benefit study of mandatory installation of excess flow valves (EFVs) on all new and renewed gas distribution service lines. This study was performed by the Volpe National Transportation Systems Center (Volpe) at the request of RSPA's Office of Pipeline Safety (OPS) in response to a recommendation by the National Transportation Safety Board (NTSB).

View PDF