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DOT/NHTSA RIN: 2127-AH81 Publication ID: Spring 2002 
Title: Headlamp Glare 
Abstract: The current standard sets minimum and maximum intensities for headlamps to ensure that the two most important aspects of head lighting performance are balanced. These often conflicting aspects are (1) to assure the driver of the vehicles sees as much of the roadway possible, while (2) minimizing glare for other drivers using the road. The balance the agency has chosen of these two areas has changed very little since 1970. The agency has been receiving a significant number of public complaints about glare from other vehicles' headlamps. In light of significant technological changes, including improved halogen lamps and high intensity discharge lamps, fleet mix changes (nearly half of all new vehicles sold in 1998 were light trucks, with higher-mounted headlamps), and an increase in the age of the population, the agency wants to reexamine the balance it has chosen between seeing distance and glare to see if it is still appropriate. The agency asked the public for comments and information to begin exploring this area more fully. 
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 571.108   
Legal Authority: 49 USC 322    49 USC 30111    49 USC 30115    49 USC 30117    49 USC 30166   
Legal Deadline:  None
Timetable:
Action Date FR Cite
Request for Comments  09/28/2001  66 FR 49594   
Reopen Comment Period  11/30/2001  66 FR 59769   
Comment Period End  12/22/2001    
Comment Period End  01/28/2002    
NPRM  06/00/2002    
Regulatory Flexibility Analysis Required: No  Government Levels Affected: None 
Small Entities Affected: Businesses  Federalism: No 
Included in the Regulatory Plan: No 
Agency Contact:
Richard Van Iderstine
Chief, Visibility and Injury Prevention Division NVS-121
Department of Transportation
National Highway Traffic Safety Administration
Office of Crash Avoidance Stds., 400 Seventh Street SW.,
Washington, DC 20590
Phone:202 366-2720
Fax:202 366-4329