In many cases, ADB illuminance levels exceeded that of lower beam mode in the location of other vehicles. In most cases, the ADB systems tested consistently produced the same or greater glare than the lower beam of that vehicle.

NHTSA has no greater priority than the safety of the motoring public. The agency is currently working on a rulemaking that would amend the lighting standard to permit an advanced head lighting system known as an adaptive driving beam (ADB) system as optional equipment.