In the context of increasing economic development, people's quality of life has improved significantly. As people's income gradually increases, private cars become more and more popular. It is obvious that there are more and more private cars on the road. A large number of people choose to drive to work or travel by themselves. This phenomenon leads to frequent traffic congestion in big cities. It puts a lot of pressure on the traffic police. The problem of traffic congestion has become a more important social problem, and traffic jams in the city center have caused difficulties for people to travel. And it was very time consuming.
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