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DOT/NHTSA RIN: 2127-AL15 Publication ID: Fall 2015 
Title: Amend Definition of 3-Wheeled Vehicles 

This rulemaking would change the regulatory definition of motorcycle to exclude three-wheeled vehicles that are configured like passenger cars. Under the existing regulatory definition of motorcycle in part 571.3, three-wheeled motor vehicles are classified as motorcycles. This is appropriate for motorcycles with sidecars, trikes, and other three-wheeled vehicles that are based on a motorcycle-like configuration. However, other three-wheeled vehicles have passenger-car characteristics such as fully enclosed cabins, hinged doors with roll-up windows, steering wheels, and side-by-side seating. Because these car-like vehicles ride on three wheels instead of four, they are not required to meet federal safety standards for passenger cars (although they are subject to motorcycle safety standards.) Various car-like three-wheeled vehicle models have been imported into the U.S. and have been available for sale to the public. NHTSA believes consumers who purchase these vehicles are likely to assume that these vehicles have the same safety features and crash protection as passenger cars certified to Federal safety standards.

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 
EO 13771 Designation:  
CFR Citation: 49 CFR 571.3   
Legal Authority: 49 U.S.C. 30111    49 U.S.C. 30115    49 U.S.C. 30117    49 U.S.C. 30166    49 U.S.C. 322    delegation of authority at 49 CFR 1.95   
Legal Deadline:  None
Action Date FR Cite
NPRM  11/00/2015 
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 
Agency Contact:
Mike Pyne
Office of Crash Avoidance Standards
Department of Transportation
National Highway Traffic Safety Administration
1200 New Jersey Avenue, SE,
Washington, DC 20590