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The light emerged from the bottom of the traffic lamp for vehicles. The light make the crosswalk and people are easily able to recognize if the can cross the street. as the left time, the crosswalk is getting disappeared. The way to show the left time as light is efficient visual sign.
keimyung university
daegu, South Korea
Sang eun Park,
Keimyung University
Min hyun choi,
Youngnam University
Min byeol Kim,
Keimyung University
