Patent ID: 8306740

Claim:
A vehicle travel assisting system comprising: a navigation apparatus configured to display a present position of a vehicle on a map displayed in the vehicle; attribute acquiring means for acquiring an attribute of a travel road, on which the vehicle is, from the navigation apparatus; equipment acquiring means for acquiring equipment information about equipment, which is mounted on the vehicle; vehicle information acquiring means for acquiring vehicle information including a type of the vehicle; weather information acquiring means for acquiring weather information about weather in a direction the vehicle travels; and area setting means for setting an acquisition area, in which the weather information acquiring means acquires the weather information, in accordance with at least one of the attribute of the travel road, the equipment information and the vehicle information, wherein the attribute acquiring means acquires, as the attribute of the travel road, predetermined information among map information stored in the navigation apparatus, the predetermined information indicating whether the travel road has branch roads connected to the travel road, and the area setting means broadens the acquisition area to be closer to the travel vehicle, when the attribute of the travel road indicates that the travel road has few branch roads.