Sponsors (2)
The bill would likely reduce headlight glare and improve nighttime safety through a federal brightness cap and regulatory uniformity, but it risks higher vehicle costs, potential reductions in forward illumination if the limit is set too low, and a rushed rulemaking process under a tight deadline.
Drivers and other road users (including transportation workers and residents of urban and rural areas) would face less glare and fewer glare-related visibility problems at night because low-beam headlight brightness would be capped, improving nighttime driving safety.
Vehicle manufacturers and consumers benefit from a clear federal standard that creates uniformity across the industry, reducing compliance uncertainty and potentially lowering long-term compliance costs.
Car buyers and taxpayers may face higher vehicle prices because manufacturers will incur redesign, testing, and certification costs to meet the new maximum brightness standard.
Drivers in low-light or rural areas (including transportation workers) could experience reduced forward illumination and shorter visible distance if the brightness standard is set too low, which could worsen safety on dark roads.
State and local governments, stakeholders, and the rulemaking process could be harmed if NHTSA’s one-year deadline strains agency resources and produces a rushed rule with limited stakeholder input and technical analysis.
Based on analysis of 4 sections of legislative text.
Requires NHTSA to set a maximum allowable brightness standard for motor vehicle low‑beam headlamps in FMVSS No. 108, with a final rule due within one year.
Official title: To direct the Secretary of Transportation to revise the Federal Motor Vehicle Safety Standards to establish a maximum allowable brightness standard for low beam headlamps on motor vehicles, and for other purposes.
Introduced March 3, 2026 by Marie Gluesenkamp Perez · Last progress March 3, 2026
Requires the Department of Transportation, through the NHTSA Administrator, to issue a final rule within one year revising Federal Motor Vehicle Safety Standard No. 108 to set a maximum allowable brightness for motor vehicle low-beam headlamps, expressed in lumens or another photometric measure the Secretary determines appropriate. The bill directs a regulatory change to vehicle lighting standards but does not specify an implementation date for compliance or technical test methods beyond the brightness metric requirement.