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Q4: a. At a certain at grade intersection, it's decided to use a 4 phases traffic signal for the four approaches shown below. Approach Width (m) Actual flow (DHIV) pc/hr Left turn vehicles of North South East West 10,5 8 12 331 427 1104 715 478 630 1953 1047 saturation flow Assuming the following for cach phase: Starting delay and falling discharge time = 3 sec, amber time - 5 sec, all red 1 sec, red/amber - 1 sec. Find the optimum cycle time and the controller green for each phase.

Q4: a. At a certain at grade intersection, it's decided to use a 4 phases traffic signal for the four approaches shown below. Approach Width (m) Actual flow (DHIV) pc/hr Left turn vehicles of North South East West 10,5 8 12 331 427 1104 715 478 630 1953 1047 saturation flow Assuming the following for cach phase: Starting delay and falling discharge time = 3 sec, amber time - 5 sec, all red 1 sec, red/amber - 1 sec. Find the optimum cycle time and the controller green for each phase.

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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Q4: a. At a certain at grade intersection, it's decided to use a 4 phases traffic signal for the four approaches shown below. South Approach Width (m) Actual flow (DHV) pe/hr North East West 7 8 12 10.5 331 427 1104 715 Left turn vehicles of 478 630 1953 1047 saturation flow Assuming the following for each phase: Starting delay and falling discharge time = 3 sec, amber time = 5 sec, all red = 1 sec, red/amber I sec. Find the optimum cycle time and the controller green for each phase.
Transcribed Image Text:Q4: a. At a certain at grade intersection, it's decided to use a 4 phases traffic signal for the four approaches shown below. South Approach Width (m) Actual flow (DHV) pe/hr North East West 7 8 12 10.5 331 427 1104 715 Left turn vehicles of 478 630 1953 1047 saturation flow Assuming the following for each phase: Starting delay and falling discharge time = 3 sec, amber time = 5 sec, all red = 1 sec, red/amber I sec. Find the optimum cycle time and the controller green for each phase.
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