Patent ID: 7085633

Claim:
A system for improving vehicle operator driving assistance of an automotive vehicle, the system comprising: a surrounding vehicle sensor that detects other surrounding vehicle conditions; a host vehicle condition sensor that detects the host vehicle own conditions; a lane sensor that detects positions and numbers of forward lanes; a surrounding vehicle motion predictor that predicts future movement of the surrounding vehicle; an evaluation function calculator that calculates a desirableness of a vehicle operator's driving operation; a recommended operation indicator that indicates acceleration timing and magnitude and a lane change timing with a desirable lane for the host vehicle from outputs of the surrounding vehicle motion predictor and the evaluation function calculator; wherein the recommended operation indicator calculates a lane change necessity and produces a lane change trigger signal while the host vehicle is operated on a road that has at least three lanes; and wherein the recommended operation indicator also prohibits to indicate a new lane change trigger signal until a forward lane change operation is deemed to be completed.