This DFD flow represents the data flows from Control Work Zone Activity to Manage Work Zone Intrusion Warning and includes intrusion alert and detection device control. It consists of the following data items each of which is defined in its own DDE:

+ intrusion_alert_device_control
+ on_board_intrusion_detection_device_control
+ intrusion_alert_device_control_on_board

Sub Data Flows

Parent Data Flows

Associated PSpecs