METHOD AND DEVICE FOR CONTROLLING DRIVING SPEED OF VEHICLE

The disclosure relates to technology for controlling a vehicle through determination of cut-in and provides a vehicle control device and method including receiving detection information related to a host vehicle and a surrounding vehicle, determining the cut-in intent of the surrounding vehicle based on the detection information to determine whether there is a cut-in ready vehicle and, when there is a cut-in ready vehicle, determining whether there is the cut-in vehicle based on the location in the lane of the cut-in ready vehicle.