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This is very important. Thanks for the share. Here is a diagram showing how the field of vision of a driver decreases with increase in speed:
Some people have the habit of concentrating seriously in the path ahead, but I advise looking around to check out pedestrians, oncoming vehicles etc.
Very nice and helpful post with good explaination through the diagram.Can you post the source where you got it.
That is from one of my user manuals.
I saw a program in National Geographic sometime back. It was talking about the reason for accidents, whatever measures we take. Speed is the primary cause.
Humans cannot run faster than around 40Kmph (I think the Olympic record for 100m sprint is around 37.6Kmph). Hence our brains are designed to process images only at a speed of what we can see when we are moving at upto around 40Kmph. If we use machines and exceed that, the brain has no choice but to drop some information received by the eyes. This is what is translating to narrowing of field of vision.
We all know that we have very good contol and vision when we are driving at 40Kmph or lesser. Even in the diagram given by Sankalp, it strarts from 40Kmph onwards, not something lesser.
Very true. At slow speeds, we can have better field of vision and we can process all kinds of information, like pedestrians, road markings, etc. There's an abandoned runway in my native which we use for checking top speeds, spins etc. Once the speed crosses around 140, the vision is limited to a small area, comparable to the area of road markings. If one has played need for speed recent versions, it is similar to the view when under boost. That was when we thought of not trying such speeds on civilian roads. Maybe in foreign countries where we have closed roads, autobahns etc we can speed, but not in our so called expressways.