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Maybe you are seeing just a bit into the ultraviolet spectrum. Halogen headlamps emit a lot of uv light. When uv hits reflective paint, the wavelengths are probably lengthened and may make it just into the edge of visibility for some few people who are very sensitive. One clue is that you are seeing it as purple, which is the color closest to the UV spectrum. A Google search finds a lot of people seeing purple at night when driving, but no one seems to see any other colors. Why purple? It would make sense if it was UV. Perhaps it is easier to see at night when the pupils are large and the other color seeing eye cones are no longer able to function due to low light.
What else can I help you with?
How did the invention of the light bulb help transportation?
it helped the citizens of the world see while they where driving at night or during a storm or foggy day.
What should I do if I see a red blinking light on a bike while driving at night?
If you see a red blinking light on a bike while driving at night, you should slow down and be cautious. The red blinking light indicates that there is a cyclist ahead, so give them space and pass them safely. It's important to be aware of your surroundings and watch out for cyclists to prevent accidents.
How do you use the headlights when driving at night?
See the related link below.
How many second you should see ahead when driving at night?
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What kind of road surface is easier to see when driving at night a pebbled uneven surface or a mirror smooth surface?
A mirror smooth surface is typically easier to see at night while driving as it reflects more light from vehicle headlights, making it more visible. A pebbled uneven surface may create shadows and reflections that can obscure visibility in comparison.
When driving at night you must be sure that you can stop within what distance?
Within the distance you can see ahead
What is it dangerous for people to wear very dark clothes at night?
because you can't see them at night and plus when you are driving you don't want to hit them.
What can I do about driving at night when the lights seem too bright and I can't see well?
Wear sunglasses. You will still be able to see the road.
What is the cause of car sputtering while driving and now will not start?
see CarTalk.com
How does f1 driver sees while driving?
They have visors in their helmet which can help them to see out of
What color is the easiest to see while driving?
i think white because of headlights
Does wearing sunglasses while driving in the rain help?
It's recommended that sunglasses be worn for driving so you can see clearer.
