FIELD: transportation.SUBSTANCE: invention relates to vehicle information systems. Vehicle comprises a vehicle computer. Vehicle computer is programmed to store vehicle speed data in memory and output a smoothness rating of the vehicle on a display, the smoothness rating being generated based on the integration of the difference between vehicle speed and nominal speed profile of a plurality of vehicles that have driven on the road segment, divided by the length of the road segment.EFFECT: improved vehicle safety.20 cl, 10 dwg
VEHICLE, METHOD OF EVALUATING DRIVER AND DRIVER PERFORMANCE SERVER