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

General

Legacy ID
16
Show Effective Date
Off
Significant Regulatory Guidance
No

Hazardous Material Commodity Flow Statistics

New data about hazardous materials shippers released April 5th, 2024.

PHMSA's Office of Hazardous Materials Safety (OHMS) sponsored an expansion of the 2022 Commodity Flow Survey to include supplemental questions about hazardous materials (hazmat) and collect new data from hazmat...

Tier 2 Site Specific Environmental Documents

PHMSA will accept public comments for 30 days on each construction-related Tier 2. PHMSA will consider comments received and incorporate them in the decision-making process. Consultation with appropriate agencies on related processes, regulations, and permits will be ongoing. Please submit all...