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a) Estimate the average uniform delay for this approach

a) Estimate the average uniform delay for this approach

Structural Analysis
Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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PROBLEM 1. Consider a signalized intersection approach in which the arrival rates are different during the effective green and red times during a given phase. During the effective green, there is only one lane group with an arrival rate of 2,400 vehicles per hour and 2700 vehicles per hour during the rest of the cycle (during the effective red). The cycle length is of 90 seconds, the effective green is 30 seconds and the saturation rate is 8,000 veh/h. Questions: a) Estimate the average uniform delay for this approach b) Consider that this approach has an upgrade of 4%. The total width of the cross street at this intersection is 60 feet. The average vehicle length of approaching traffic is 16 feet. The speed of approaching traffic is 40 mi/h. Determine the sum of the minimum necessary change and clearance intervals.
Transcribed Image Text:PROBLEM 1. Consider a signalized intersection approach in which the arrival rates are different during the effective green and red times during a given phase. During the effective green, there is only one lane group with an arrival rate of 2,400 vehicles per hour and 2700 vehicles per hour during the rest of the cycle (during the effective red). The cycle length is of 90 seconds, the effective green is 30 seconds and the saturation rate is 8,000 veh/h. Questions: a) Estimate the average uniform delay for this approach b) Consider that this approach has an upgrade of 4%. The total width of the cross street at this intersection is 60 feet. The average vehicle length of approaching traffic is 16 feet. The speed of approaching traffic is 40 mi/h. Determine the sum of the minimum necessary change and clearance intervals.
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