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Feds Get Ready to Rewrite Car Headlight Rules
The agency will convene stakeholders to modernize rules for LEDs, automatic high beams and headlamp aim after a survey found 6 in 10 drivers report glare.
On Monday, the National Highway Traffic Safety Administration announced plans to rewrite vehicle lighting standards, addressing driver complaints about headlight glare while modernizing technology to align with global safety regulations.
Lighting standards have not seen a comprehensive update in 25 years, leaving regulations unable to manage the brightness of modern LED headlights that drivers increasingly report as a significant nuisance after dark.
While nearly 73 percent of drivers surveyed by the American Automobile Association report glare has worsened over the past decade, Principal Research Engineer Matthew Brumbelow found glare was cited as a factor in only one or two of every 1,000 nighttime crashes.
Transportation Secretary Sean Duffy will appoint "up to 18 stakeholders" from vehicle lighting manufacturers, safety organizations, and research institutions to participate in a negotiated rulemaking process addressing glare and modernizing LED regulations.
This collaborative effort aims to harmonize U.S. standards with international rules, potentially allowing automakers to fully deploy adaptive driving beam systems currently limited or deactivated in domestic vehicles.