This data flow is used within the Manage Traffic function and contains a list of indicators for which pedestrian demands have been found to be present. These indicators are in fact traffic signal controllers that are capable of servicing the pedestrian demand and enabling pedestrians to cross the road or highway is a safe and coordinated manner. This data is used to determine the traffic control strategy for signalized traffic intersections. The data flow consists of the following items each of which is defined in its own DDE:

+ 1{pedestrian_demand}list_size

Sub Data Flows

Parent Data Flows

Associated PSpecs/Terminators