Quote:
Originally Posted by sendler
Yes. we can't have cars that drive right into a barrier.
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But that above test is a joke. encountering a car parked in the fast lane, the driver in front of you snoozing and only swerving at the last split second. Any driver will be at impossibility of avoiding that.
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I encountered that in Canada where there was a highway where you could either travel 50 MPH in the rightmost lane, or park your car. The car ahead of me casually turns on his signal and swerves out of the lane just before getting to a parked car, and I slammed on the brakes to avoid the accident.
Proper following distance allows the driver enough time to stop even if the car ahead turns into a brick wall suddenly.
I'll follow closer if I can see through the car ahead to see what traffic is doing, but when all I can see is the car ahead, following distance increases (unless it's a semi).
This scenario is very common, and doesn't have to end in an accident for either humans or properly designed autonomous systems.