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DOT/FMCSA RIN: 2126-AB63 Publication ID: Spring 2025 
Title: Heavy Vehicle Speed Limiters 
Abstract:

This document informs the public that FMCSA and NHTSA have jointly decided not to pursue two previously published proposed rules related to speed limiter requirements for commercial motor vehicles due to significant policy and safety concerns, data gaps, and other impacts of the proposed rule.  FMCSA and NHTSA therefore withdraw the Agencies’ September 7, 2016, joint Notice of Proposed Rulemaking Federal Motor Vehicle Safety Standards; Federal Motor Carrier Safety Regulations: Parts and Accessories Necessary for Safe Operation; Speed Limiting Devices.” FMCSA also withdraws its May 4, 2022, Advance Notice of Supplemental Proposed Rulemaking Parts and Accessories Necessary for Safe Operations: Speed Limiting Devices.

 
Agency: Department of Transportation(DOT)  Priority: Economically Significant 
RIN Status: Previously published in the Unified Agenda Agenda Stage of Rulemaking: Completed Actions 
Major: No  Unfunded Mandates: No 
EO 14192 Designation: Regulatory 
CFR Citation: 49 CFR 390, 393     (To search for a specific CFR, visit the Code of Federal Regulations.)
Legal Authority: 49 U.S.C. 31502, 31136, 31301, and delegation of authority at 49 CFR 1   
Legal Deadline:  None
Timetable:
Action Date FR Cite
NPRM  09/07/2016  81 FR 61942   
NPRM Comment Period End  11/07/2016 
Withdrawn  07/24/2025  90 FR 34822   
Regulatory Flexibility Analysis Required: No  Government Levels Affected: None 
Small Entities Affected: No  Federalism: No 
Included in the Regulatory Plan: No 
RIN Information URL: www.regulations.gov   Public Comment URL: www.regulations.gov  
RIN Data Printed in the FR: No 
Related RINs: Related to 2127-AK92  Related Agencies: Joint: DOT/NHTSA; 
Agency Contact:
David Sutula
Chief, Vehicle and Roadside Operations Division
Department of Transportation
Federal Motor Carrier Safety Administration
1200 New Jersey Avenue SE,
Washington, DC 20590
Phone:202 366-3273
Fax:202 366-4329
Email: david.sutula@dot.gov