Abstract: A road image display device for displaying an image of a road whereon a vehicle is travelling on a display screen by scrolling the road image at a specified speed as if one could feel driving a vehicle thereon viewing the image from a fixed viewing point, which is provided with means for inputting road design data concerning a straight line area, a clothoid curve (relaxed-curvature curve) area and a circular-arc area for a travelling road distance and means for generating a road image representing a straight-line area, clothoid curve area and a circular-arc area according to the input road design data and which can easily generate any desired road image according to a free road design and more particularly can represent an image of curved road portion by a curve having a relaxed curvature for jointing a straight-line with a circle of a constant curvature.

Abstract: An exterior watch carton having a removable support insert is provided. The walls of the support insert align with the walls of the carton to form a reinforced carton. The support insert interlocks with the base of the carton so that the support insert may be removed. The support insert also changes the interior dimensions of the carton while not interfering with the external dimensions.