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DOT/NHTSA RIN: 2127-AM20 Publication ID: Fall 2023 
Title: Part 572 THOR-50M Crash Test Dummy 

This notice proposes to amend 49 CFR part 572 by adding design and performance specifications for a new test dummy known as the THOR-50M. The anthropomorphic test device (ATD) is representative of a 50th percentile male and is designed primarily to assess occupant safety in frontal crashes.

Agency: Department of Transportation(DOT)  Priority: Substantive, Nonsignificant 
RIN Status: Previously published in the Unified Agenda Agenda Stage of Rulemaking: Proposed Rule Stage 
Major: No  Unfunded Mandates: No 
CFR Citation: 49 CFR 572    49 CFR 531    49 CFR 533   
Legal Authority: 49 U.S.C. 32902    delegation of authority at 49 CFR 1.95   
Legal Deadline:
Action Source Description Date
Final  Statutory  Publish Final Rule  04/01/2020 
Action Date FR Cite
NPRM  11/00/2023 
Regulatory Flexibility Analysis Required: No  Government Levels Affected: None 
Small Entities Affected: No  Federalism: No 
Included in the Regulatory Plan: No 
RIN Information URL:   Public Comment URL:  
RIN Data Printed in the FR: No 
Related RINs: Split from 2127-AL76 
Agency Contact:
Peter Martin
Safety Standards Engineer
Department of Transportation
National Highway Traffic Safety Administration
1200 New Jersey Avenue SE,
Washington, DC 20590
Phone:202 366-5668