Effect On Motorcycle Safety
In many countries, every motorcycle's low beam headlamp has been wired to illuminate whenever the engine is running, either as a matter of law or of voluntary industry practice. Some motorcycling advocacy groups are concerned over the potential for reduced motorcycle conspicuity with the introduction of headlamp-based DRLs on cars and other dual-track vehicles, since it means motorcycles are no longer the only vehicles displaying headlamps during the day. Some researchers have suggested that amber DRLs be reserved for use exclusively on motorcycles, in countries where amber is not presently a permissible color for DRLs on any vehicles, while other research has concluded there is a safety disbenefit to two 90 mm x 520 cd DRLs on motorcycles in comparison to one 190 mm x 270 cd dipped (low) beam headlight. The latter result suggests that DRL luminous area may have an important influence on its effectiveness.
Read more about this topic: Daytime Running Lamp
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