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In a misty expressway, drivers can hardly see ahead. In this situation, they may get into a car accident. If such situation happens continuously, it may triggers hundred-car rear-end collision. But Mist laser prevents cars from this accident through laser signal. Mist laser can be attached at each streetlights of highway and features as a traffic light in a fog. It has same height with traffic light for offer familiar height to drivers and it works only in foggy weather. Mist laser is a smart traffic light that prevents car from hundred-car rear-end collision.
Gyeonggi-do, South Korea