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When ordinary elderly or people with reduced mobility to cross the road, obviously still green, but often because of too slow, stuck in the middle of the road and forced, but I have this design is to solve this problem, when you cross the street induction green device will sense that you have to cross the road, so he will continue to maintain the green until you had finished the road, when your sensor is sensing side of the sensor that lights will turn red.
Taipei City, Taiwan
JIA LIANG CHEN,