Question: Q . 4 : A four - phase intersection has critical lane group flow rates for the first three phases of 1 9 0 ,

Q.4: A four-phase intersection has critical lane group flow rates for the first three phases of
190,230,185vehh and the saturation flow rates are 1600vehh for all phases. The lost time
is known to be 4 seconds for each phase. If the cycle length is 65 seconds, what is the estimated
effective green time of the fourth phase?
Q . 4 : A four - phase intersection has critical

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