Patent ID: 8265861

Claim:
A driving assist system comprising: a road side apparatus which is located in a road side, obtains traffic circumstance information of the road and transmits the obtained traffic circumstance information; and a vehicle-mounted apparatus, mounted in a vehicle, which comprises: a communicating part which receives the transmitted traffic circumstance information; a storing part which stores plural outputting methods for outputting driving assistant information to assist a driving operation; an outputting method table which represents associations between the plural outputting methods and the traffic circumstance information to be received; a validity determination table which represents validities for the plural outputting methods with respect to the traffic circumstance information to be received; a selecting part which performs a selection of an outputting method from the plural outputting methods, in accordance with the received traffic circumstance information, the outputting method table and the validity determination table; and an outputting part which outputs driving assist information for assisting a driving operation, based on the received traffic circumstance information and shown by the outputting method that is selected by the selecting part, wherein the traffic circumstance information includes video information concerning a video, position information concerning positions of other vehicles, and position information concerning position of at least one other vehicle, the selecting part performs the selection in accordance with the outputting method table and the validity determination table at each time when the traffic circumstance information is received, and the outputting part outputs, with the outputting method based on the selection performed by the selecting part, the video based on the video information, an image representative of the positions of the other vehicles based on the position information, or information representative of presence of the at least one other vehicle based on the position information, as the driving assist information.