This data flow contains the operational status of safeguard systems (equipment used to mitigate the impact of incidents on transportation infrastructure, such as blast shields, exhaust systems, etc.). This flow is used to archive occurrences of safeguard system activation. 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