Traffic lights in harmonious city traffic congestion has played a indelible dedication, about the Midwest urban traffic to deal with human compared with eastern city of distance, improve the efficiency of road construction, and scientific regulation of traffic lights.

With the expansion of cities, urban traffic congestion and to handle has become the most cities in China are said to one of the primary agenda and hard questions is the best policy. In terms of Midwestern cities, compared with the eastern city, there are still some people in the urban traffic to deal with distance, such as artificial to estimate shortage and defect in design planning, traffic signal control, etc.

About municipal engineering maintenance affecting citizens to travel, we should have human shorten the construction period, without affecting the citizens 

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