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It is difficult to exactly identify the time to safely cross the road and the remaining time only with a traffic light.However, when crossing the road by seeing the LED CROSSWALK, the pedestrian will know the remaining time to safely cross the road only with the location he or she is standing on. When the pedestrian can safely cross the road, it turns into green, when the pedestrian has to run because it is not so safe, it turns yellow, and when it cannot be safely crossed, it turns red.
Asan-si, South Korea
Seong Hui Lim,