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Spring, the weather gradually warming, it is easy to happen "chunkun", has caused many drivers distr..

For urban traffic lights set now appeared diversified situation, the setting of road intersections a..

1, research and development advantages:With engineering and technology research and development cent..

Traffic signal lights in the domestic use is very common the, but public transport information syste..

Traffic signal lamp is based on the length of the traffic through the intersection to determine the ..

With the accelerated pace of urbanization, the growing popularity of motor vehicles, people enjoy th..

At present, there are more or less the use of the wrong traffic lights lamps and lanterns, damage th..