APPARATUS AND METHOD FOR RESPONDING TO CUT-IN OF A VEHICLE

An apparatus for controlling a host vehicle comprises a driving lane recognizer configured to determine whether a driving lane on which the host vehicle is traveling is congested or not, a neighboring vehicle detector configured to obtain vehicle information including a movement and a heading direction of at least one neighboring vehicle traveling on at least one neighboring lane, a lane change intention determiner configured to determine whether the at least one neighboring vehicle has an intention to cut in the driving lane based on the vehicle information, a cut-in allowance determiner configured to determine whether to allow a cut-in of the at least one neighboring vehicle, and a cut-in response controller configured to control the host vehicle to accelerate or decelerate according to a determination of the cut-in allowance determiner.