The timer lights 3 seconds can have what effect

Traffic lights etc. Time cannot too long, too long beyond the limit of you waiting for, also cannot too short, too short will bring great safety hidden trouble. Traffic signal lamp manufacturers planning cannot "hole", "liu xiang specification" shall determine a distance when waiting for "the best", should be more humanized. Otherwise, let the traffic go beyond pain threshold and the "green light" sad fairy, not only the pedestrian consciously abide by the traffic rules is very difficult, and the risk is also very safe hidden trouble.

Public facilities planning focus is on discussion of the public space, urban environment, the relations between modern people. Public facilities of humanized planning not only bring you the days of quick, and also satisfied with everyone need social respect. How ability is very good to play the function of the traffic lights to ensure the smooth flow of traffic to traffic, travel to ensure the safety and security at ordinary times? The author thinks that, it is necessary to act according to actual circumstances, pay attention to science and urban planning, selection of humanized transportation facilities, according to the Chinese behavior, physiological and psychological characteristics to improve the program of the establishment of traffic lights. Should adjust the unreasonable traffic signal set, make traffic facilities and traffic rules set more standardization, humanization, scientific, attacks to reduce traffic accidents, improve the power of traffic of the city.

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