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

Emergency Response Guidebook (ERG)

ERG 2024 Cover

The 2024 Emergency Response Guidebook and mobile application will be available in Spring 2024. Stay tuned!

Quickly Identify Hazardous Materials Emergency Procedures

PHMSA's 2020 Emergency Response Guidebook provides first responders with a manual intended for use during the initial phase of a transportation incident involving hazardous materials/dangerous goods.

DOT's goal is to place an ERG in every public emergency service vehicle nationwide. To date, more than16 million free copies have been distributed to the emergency response community through state emergency management coordinators. Members of the public may purchase a copy of the ERG through the GPO Bookstore and other commercial suppliers.

First responders, we want your feedback! Submit your name, organization, contact information, and comments to

ERG 2020 Cover Files

NOTICE: Commercial Suppliers who would like to request the print production files for the 2020 Emergency Response Guidebook should send an email to by Friday August 14, 2020. The print production files will be released to all interested suppliers via an email link sent out on Tuesday August 18, 2020.