When i visited Atlanta I was riding on pitch black roads on my Dualtron Thunder and honestly the lights on the Dualtron Thunder are very bright.. so bright in fact that many times I thought I had a car behind me only to pull over to the side of the road to look behind me in search of cars etc there was nothing but pitch black behind me.. Also I have a light that I installed on the top of the handle bars that I paid i believe $150 for... I forget the name anyways with the extra lighting I can see a great deal.. However yes the deck lights are very bright but not good enough to solely rely on, on a pitch black road... Or even on a dimly lit road i would still recommend installing a powerful head light that is high beam capable..