This data flow provides outputs from equipment onboard a vehicle used to determine traffic conditions, including a unique vehicle identifier, the vehicle's speed, and 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:

+ time
+ list_size +
list_size{time + location_identity + speed + sensor_identity
+ vehicle_traffic_sensor_output}

Sub Data Flows

Parent Data Flows

Associated PSpecs

Parent Information Flows