For Problem 7.2, calculate the optimal cycle length (Webster’s formulation) and the corresponding effective green times (based on lane group v/c equalization). Assume lost time is 4 seconds per timing stage.

Traffic and Highway Engineering
5th Edition
ISBN:9781305156241
Author:Garber, Nicholas J.
Publisher:Garber, Nicholas J.
Chapter8: Intersection Control
Section: Chapter Questions
Problem 18P
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 For Problem 7.2, calculate the optimal cycle 
length (Webster’s formulation) and the corresponding effective green times (based on lane group 
v/c equalization). Assume lost time is 4 seconds per 
timing stage. 

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