If Cycle time of an intersection is 60 sec, green time is 27 sec, Amber time is 4 sec, Saturation headway is 2.4 sec per vehicle, the startup loss time is 2 sec per phase and clearance lost time is 1 sec per phase. Then which of the following is/are correct?
1
Traffic capacity of lane is 700 veh / hr
2
Green ratio is 0.467
3
Effective green time is 28 sec
4
Green ratio is 0.467 sec