wide_area_alert_notification_for_tolls (Data Flow*)

This data flow provides alert notification of a major emergency such as a natural or man-made disaster, civil emergency, or child abduction to be sent to toll operators to be on the look out for certain conditions. It consists of the following data items each of which is defined in its own DDE: list_size + list_size{alert_type + alert_severity + geographical_area + alert_duration}