This data flow is used within the Manage Traffic function and contains the actual state of operation of an indicator used to pass instructions to drivers and travelers on the highway network served by other traffic management functions. The form of indication shown to drivers will depend on the type of indicator. The data flow consists of the following data items each of which is defined in its own DDE:

+ list_size{indicator_control_data_for_traffic_metering}

Sub Data Flows

Parent Data Flows

Associated PSpecs