This data flow is used within the Manage Traffic function to transfer indicator control data and signal timing plans from the Provide Device Control facility to Provide Traffic Surveillance facility for loading into the current and long term data stores. It contains the data currently being output to the indicators that are used to control traffic on the roads and highways served by the TMC. The data flow consists of the following data items each of which is defined in its own DDE:

+ indicator_control_storage_data_for_roads

Sub Data Flows

Parent Data Flows

Associated PSpecs