To prevent occurrence of a traffic accident by arousing attention at a crossing where a flashing type traffic signal device is provided.

This information display device for a vehicle includes a detection means for detecting the vehicle position, a map information storage means for storing map information, a display means for displaying the present position of the vehicle on the map information, a signal device information storage means for storing information of the flashing signal device correlatively with the map information, and a flashing signal device passing information output means for outputting information corresponding to passing through the flashing signal device such as attention arousing information, when the vehicle passes through the flashing signal device in the flashing state specified by the signal device information storage means on the map information.