This data flow is sent from the Manage Emergency Services function to the Manage Traffic function. It contains a list of the route segments that have been provided for use by an emergency vehicle, together with the arrival time at each segment. The data will be used by the Manage Traffic function to generate changes to the current traffic management strategy to give the emergency vehicle preemption. The data flow consists of the following data items each of which is defined in its own DDE:

+ list_size
+ list_size{route_segment_identity + route_segment_estimated_arrival_time}
+ time

Sub Data Flows

Parent Data Flows

Associated PSpecs

Parent Information Flows