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The mountain road is steep and tortuous. When two cars drive to the curve from different direction, its difficult to judge the distance and speed for the other cars. Leading to drive doesnt have enough time to reaction. So its often caused accidents happened.
"TURN SAVE" in the convex two sides add LED direction arrows, when we driving, it can indicate driver the other way situation from the curve at the first time. Two-way lights to increase driver reaction time and distance judgments, providing mountain driving more security guard
National Taiwan University
Huei-Rou Tsai Wei-Ting Chen Jia-Wen Chen