What is the calculated stopping sight distance (ft) for a -3% grade when the design speed is 55 mph, assuming the AASHTO recommended deceleration rate and perception-reaction time. Response Feedback: S = √²/[30(a/32.2+G)] +1.47Vtr
What is the calculated stopping sight distance (ft) for a -3% grade when the design speed is 55 mph, assuming the AASHTO recommended deceleration rate and perception-reaction time. Response Feedback: S = √²/[30(a/32.2+G)] +1.47Vtr
Traffic and Highway Engineering
5th Edition
ISBN:9781305156241
Author:Garber, Nicholas J.
Publisher:Garber, Nicholas J.
Chapter9: Capacity And Level Of Service For Highway Segments
Section: Chapter Questions
Problem 17P
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![What is the calculated stopping sight distance (ft) for a -3% grade when the design speed is 55 mph, assuming the AASHTO
recommended deceleration rate and perception-reaction time.
Response Feedback: S=v²/[30(a/32.2+G)] + 1.47Vtr](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F479bc1bc-2aa0-4edd-88b0-f0bf9bc66638%2Fbcf95a28-ec23-43e8-9386-25f732d108bc%2F1lyz45_processed.png&w=3840&q=75)
Transcribed Image Text:What is the calculated stopping sight distance (ft) for a -3% grade when the design speed is 55 mph, assuming the AASHTO
recommended deceleration rate and perception-reaction time.
Response Feedback: S=v²/[30(a/32.2+G)] + 1.47Vtr
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