Patent ID: 8169339

Claim:
A traffic situation display method for displaying a traffic situation in a traffic situation display system, the method comprising: transmitting image data obtained by imaging an imaging region including roads from a road-side device and imaging orientation information identifying the imaging orientation of the road-side device; receiving image data of different imaging orientations and the imaging orientation information, in an in-vehicle device; detecting an advancing orientation of a vehicle in which the in-vehicle device is mounted; selecting an image to be displayed on the basis of the detected advancing orientation and the received imaging orientation information; displaying, by the in-vehicle device, the selected the image; storing, by the road-side device, corresponding information in which a pixel coordinate in the image and positional information of the imaging region are corresponded to each other; transmitting, by the road-side device, the stored corresponding information; receiving, by the in-vehicle device, the corresponding information; acquiring, by the in-vehicle device, positional information of an own vehicle; specifying, by the in-vehicle device, an own vehicle position on the image on the basis of the received corresponding information and the acquired positional information; and displaying, by the in-vehicle device, the specified own vehicle position on the image.