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We change the present traffic light system into the ‘icon indicated type’ of traffic light which is capable to be seen by the color blindness people who are about ten percent of the population.In order to promote it in large scale to reform the traffic laws, we design it in a way that is much easier to install and reduce the cost.This design uses biconvex lens made of resin material(1.5 times) installed into the current traffic signal with the edge extending inwards about 3 cm in order to fixed it with nails.
China University of Technology