| 摘要 |
<p>Provided are a vehicle travel support device capable of properly controlling the operation of a steering device and the like from the viewpoint of supporting the travel of a vehicle stably even in a situation where a travel area is inappropriately demarcated by right and left lane marks at both sides, and the like. In a vehicle travel support device (10), a virtual travel area can be set as a travel area when a first condition is satisfied, that is, when the separation between the right and the left lane marks in width direction of a road increases to an inappropriate extent from the viewpoint of demarcating the travel area because the separation therebetween gradually increases as the distance from the vehicle increases. The operation of a steering device (14) and the like is so controlled that the vehicle will not depart from the virtual travel area set as the travel area.</p> |
