Provided is a driving support device capable of confirming the traveling route of the wheels of a vehicle in an image indicating the circumference of the vehicle. The driving support device is provided with an imaging means for imaging a travel destination image in which the traveling direction of the vehicle is photographed, a rudder angle detecting means for detecting the rudder angle of the vehicle, a route image generating means for predicting the traveling route of each of the wheels provided on the traveling direction side of the vehicle according to the rudder angle to generate a route image indicating the traveling route of each of the wheels as seen from the viewpoint of the imaging means, a superimposed image generating means for generating the superimposed image in which the route image is superimposed on the travel destination image, and an image display means for displaying the superimposed image.