METHOD FOR GENERATING ROAD MAP FOR VEHICLE NAVIGATION AND NAVIGATION DEVICE

A method for generating a road map for vehicle navigation comprises: providing original road image data having an image of a road; identifying boundary lines defining respective lane segments of the road from the original road image data; associating traffic properties with the lane segments defined by the boundary lines, respectively; grouping the lane segments to generate road segments; and combining the road segments with traffic control objects corresponding thereto so as to generate the road map for vehicle navigation.