In a traffic safety study to reduce pedestrian-vehicle accidents on a level road segment, it was estimated that by a video camera that vehicles moved during deceleration an average distance of 60 m at the moment before hitting pedestrians. If the average speed on this segment is 80 kph, compute the maximum safest speed of vehicles on this segment assuming a deceleration rate of vehicles is 3.4 m/s². Answer: v= 72.7 kph

Traffic and Highway Engineering
5th Edition
ISBN:9781305156241
Author:Garber, Nicholas J.
Publisher:Garber, Nicholas J.
Chapter6: Fundamental Principles Of Traffic Flow
Section: Chapter Questions
Problem 16P
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In a traffic safety study to reduce pedestrian-vehicle accidents on a level road segment, it was
estimated that by a video camera that vehicles moved during deceleration an average distance of
60 m at the moment before hitting pedestrians. If the average speed on this segment is 80 kph,
compute the maximum safest speed of vehicles on this segment assuming a deceleration rate of
vehicles is 3.4 m/s².
Answer: v= 72.7 kph
Transcribed Image Text:In a traffic safety study to reduce pedestrian-vehicle accidents on a level road segment, it was estimated that by a video camera that vehicles moved during deceleration an average distance of 60 m at the moment before hitting pedestrians. If the average speed on this segment is 80 kph, compute the maximum safest speed of vehicles on this segment assuming a deceleration rate of vehicles is 3.4 m/s². Answer: v= 72.7 kph
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