DRIVING SUPPORT DEVICE FOR VEHICLE

To provide a driving support device for a vehicle, capable of ensuring sufficient safety even when an oncoming vehicle or the like suddenly enters a travel lane of an own vehicle.SOLUTION: A travel_ECU 14 recognizes an oncoming moving body O on the basis of travel environment information, variably sets a risk determination region for calculating a smaller risk degree as a distance from the center of the oncoming moving body O outward in the width direction of the oncoming moving body O becomes larger, calculates a risk degree R with respect to the oncoming moving body O according to the overlapping state of a target travel path Rm of an own vehicle M and the risk determination region, recognizes the oncoming moving body O as an obstacle according to the risk degree R, and performs preliminary collision avoidance control prior to emergency collision avoidance control, with respect to the oncoming moving body O recognized as the obstacle.SELECTED DRAWING: Figure 10 【課題】対向車等が自車両の走行車線内に急に侵入してきた場合にも十分な安全性を確保することができる車両の運転支援装置を提供する。【解決手段】走行＿ＥＣＵ１４は、走行環境情報に基づいて対向移動体Ｏを認識し、対向移動体Ｏの中心から対向移動体Ｏの幅方向外側に向かう距離が大きくなるほど小さなリスク度を算出するためのリスク判定領域を可変に設定し、自車両Ｍの目標進行路Ｒｍとリスク判定領域との重複状態に応じて、対向移動体Ｏに対するリスク度Ｒを算出し、リスク度Ｒに応じて対向移動体Ｏを障害物として認識し、障害物として認識した対向移動体Ｏに対して緊急衝突回避制御に先立つ予備衝突回避制御を行う。【選択図】図１０