This data flow is used within the Manage Emergency Services function to report to another process the operational status of a safeguard system (equipment used to mitigate the impact of incidents on transportation infrastructure, such as blast shields, exhaust systems, etc.). By monitoring this data flow and thereby knowing which systems have been activated, the receiving process can better coordinate an emergency response. It consists of the following data items each of which is defined in its own DDE:

list_size + list_size{station_id
+ device_identity
+ roadside_device_status}

Sub Data Flows

Parent Data Flows

Associated PSpecs