This data flow consists of the raw traffic probe data collected at the roadside for further processing by the Manage Traffic function to determine traffic conditions. For each vehicle, the data includes unique vehicle identifiers, the vehicle's speed, heading and snapshots of recent events including starts and stops, speed changes, and other information that can be used to estimate traffic conditions. It consists of the following data items each of which is defined in its own DDE:

+ station_id
+ list_size {vehicle_traffic_situation_data
+ vehicle_guidance_probe_data}

Sub Data Flows

Parent Data Flows

Associated PSpecs/Terminators