An official website of the United States government
Official websites use .gov
A .gov website belongs to an official government organization in the United States.
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.
Notice of proposed rulemaking (NPRM).
PHMSA proposes to clarify that right-of-way patrol requirements are technology neutral, and that operators can use remote sensing technologies, such as unmanned aerial systems and satellites, for complying with gas transmission, hazardous liquid, and carbon dioxide pipeline rights-of-way patrolling requirements.