Patent ID: 7133768

Claim:
A driving support system for a vehicle, comprising: a communication apparatus enabling bi-directional communication between the vehicle and a first moving object, said communication apparatus obtaining at least one of i) communication impeding intersection information relating to a communication impeding intersection at which there is a radio-wave blocking object, and ii) moving object information relating to the first moving object, which is on an intersecting road that intersects a road on which the vehicle is traveling, by communication between the vehicle and the first moving object, that is traveling on the intersecting road, said communication apparatus transmitting to a second moving object that is on the road on which the vehicle is traveling, at least one of the communication impeding intersection information and the moving object information; and a detection device which detects the presence of the communication impeding intersection using at least one of the communication impeding intersection information and the moving object information, wherein said communication apparatus transmits to the second moving object only when the presence of the communication impeding intersection has been detected.