In a two phase traffic signal with pedestrian crossing by Webster’s method for an average normal flow of traffic on cross roads A and B during design hour as 480 PCU and 250 PCU per hour, the saturation flow on roads A and B are given as 1200 PCU and 1000 PCU per hour respectively. All red time required for pedestrian crossing is 12 seconds and amber time of 2 seconds for clearance in each phase is to be provided.

Which of the following is / are true ?