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.

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.