A car travelling 60kph is followed by another travelling 80kph. The lead car suddenly brakes to a stop within distance of 90m. Assuming the following car to have a perceptionreaction time of 2s, what must be the minimum following distance in order to avoid collision?
A car travelling 60kph is followed by another travelling 80kph. The lead car suddenly brakes to a stop within distance of 90m. Assuming the following car to have a perceptionreaction time of 2s, what must be the minimum following distance in order to avoid collision?
Traffic and Highway Engineering
5th Edition
ISBN:9781305156241
Author:Garber, Nicholas J.
Publisher:Garber, Nicholas J.
Chapter7: Intersection Design
Section: Chapter Questions
Problem 27P
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Question
A car travelling 60kph is followed by another travelling 80kph. The lead car suddenly
brakes to a stop within distance of 90m. Assuming the following car to have a perceptionreaction time of 2s, what must be the minimum following distance in order to avoid
collision?
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