By the agency’s own account, it is the first time in more than 25 years NHTSA has used that approach for vehicle lighting.
The Trump administration framed the effort as one of safety and deregulation at once, promising to bolster driver safety, cut red tape and embrace new technology.
Drivers who wear prescription glasses reported glare at 70 percent, against 56 percent of those who do not.
When it finally approved adaptive driving beam headlights in 2022, the agency acknowledged the “numerous complaints from the public” it had received.
Nighttime glare crashes skewed toward older drivers, older vehicles and undivided, low-speed roads, and lane departures were the most common response.