The headlight ratings program developed by the Insurance Institute for Highway Safety is reducing dangerous nighttime crashes in the real world, a recent study shows. Nighttime crash rates per mile are nearly 20 percent lower for vehicles with headlights that earn a good rating in the IIHS evaluation, compared with those with poor-rated headlights, the study found.
Headlight improvements encouraged by the Institute s ratings program are reducing crashes in the real world, a new study shows.ARLINGTON, Va., Oct. 14, 2021 The headlight ratings program.