VEHICLE TRAVELING ASSIST DEVICE

Provided is a vehicle traveling assist device capable of suppressing deterioration of ride comfort of an own vehicle due to vehicle traveling assist. A target determination unit calculates a target speed and a target distance based on target vehicle speed information. A plan generation unit generates a distance plan and a speed plan based on the target speed and the target distance through use of a three-stage moving average filter. The three-stage moving average filter is a filter including a first moving average filter, a second moving average filter, and a third moving average filter which are sequentially and serially connected to each other. A vehicle control unit generates an acceleration command for an own vehicle based on the distance plan and the speed plan.