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US Agency To Rewrite Rules To Finally Address Vehicle Headlight Glare
The National Highway Traffic Safety Administration (NHTSA) is revising its vehicle lighting standards in response to concerns about headlight glare. The agency aims to incorporate the latest safety-enhancing lighting technologies into its regulations. This includes updating rules for LEDs, dusk sensors, automatic high beams, and replaceable light sources. NHTSA will also re-evaluate headlamp height and aim to optimize driver visibility and mitigate glare. Increased complaints about headlight glare, particularly from taller trucks and SUVs, have prompted this review. While LEDs are now common and brighter than halogens, headlight glare is a factor in a small percentage of nighttime crashes. Older drivers, over 70, appear to be most impacted by headlight glare. Federal headlight standards, unchanged since 1997, are being re-examined for both minimum and maximum brightness. Previously, in 2022, NHTSA allowed adaptive driving beam headlights that automatically adjust to avoid dazzling other drivers. The goal is to improve nighttime driving safety by addressing these lighting issues.