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.
Supplemental notice of proposed rulemaking (SNPRM).
This document announces the availability of documents supplementing NHTSA's September 2023 notice of proposed rulemaking to amend NHTSA's regulations to include an advanced crash test dummy, the Test Device for Human Occupant Restraint 50th percentile adult male.