This data flow is used within the Manage Traffic function to identify individual indicators used for the control of traffic on roads (surface streets) and highways. The indicators can be either intersection signal controllers, pedestrian signal controllers or dynamic message signs (DMS). The data flow consists of the following data items each of which is defined in its own DDE:

+ unit_number
+ location_identity

Sub Data Flows

Parent Data Flows

Associated PSpecs/Terminators