Quote:
Originally Posted by Brian Carlton
With typical following distances............even if they are reasonably proper ............say 150 feet for 50 mph...........the driver has virtually no chance of stopping safely if the vehicle ahead comes to an instantaneous dead stop.
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Very few vehicles can come to a "instantaneoud dead stop" unless the stop was the result of hitting another vehicle or barrier, but maintaining a safe braking distance depending on the surrounding conditions is still important.
So, if the lead vehicle must also decelerate, the following vehicle should have a decent chance of also decelerating without collision.