A driving-support-image generation device comprising: a driving-support-image memory that is configured to store a plurality of driving-support images obtained from images captured by an image capturing device, wherein each driving-support image is indicative of a message content of a respective messaging object posted on a road or around a road; and an image generator that is configured to select, from among the driving-support images stored in the driving-support-image memory, one or more driving-support images each indicative of the message content of a respective messaging object that is posted on a road or around a road and that has been passed when a vehicle travels to a destination point on the basis of a pre-set order of priority of images to be displayed in a selection screen that allows a passenger to select the image to be displayed, and is configured to generate, using the thus-selected driving-support images, an image to be displayed on a display in a vehicle; wherein the driving-support-image generation device further comprises a sight-line detection determination device that is configured to determine whether or not a passenger in the vehicle has recognized the messaging object; wherein the driving-support-image memory is configured to perform said storing so that information from the sight-line detection determination device being indicative that the messaging object has not been recognized by the passenger in the vehicle is associated correspondingly, when so determined; and wherein the image generator is configured to select the driving-support image associated with the information indicative that the messaging object has not been recognized, from among the driving-support images stored in the driving-support-image memory. a driving-support-image memory that is configured to store a plurality of driving-support images obtained from images captured by an image capturing device, wherein each driving-support image is indicative of a message content of a respective messaging object posted on a road or around a road; and an image generator that is configured to select, from among the driving-support images stored in the driving-support-image memory, one or more driving-support images each indicative of the message content of a respective messaging object that is posted on a road or around a road and that has been passed when a vehicle travels to a destination point on the basis of a pre-set order of priority of images to be displayed in a selection screen that allows a passenger to select the image to be displayed, and is configured to generate, using the thus-selected driving-support images, an image to be displayed on a display in a vehicle; wherein the driving-support-image generation device further comprises a sight-line detection determination device that is configured to determine whether or not a passenger in the vehicle has recognized the messaging object; wherein the driving-support-image memory is configured to perform said storing so that information from the sight-line detection determination device being indicative that the messaging object has not been recognized by the passenger in the vehicle is associated correspondingly, when so determined; and wherein the image generator is configured to select the driving-support image associated with the information indicative that the messaging object has not been recognized, from among the driving-support images stored in the driving-support-image memory.