Compared with our past years of inconvenient transportation, it is much more convenient to travel now. Various means of transportation in the city make people’s daily travel more convenient. However, it also brings many thorny problems, such as traffic jams, wider and wider urban roads, but more and more crowded roads. Among the 50 major cities in China, Chongqing ranks first Beijing is third and second, which is unexpected.
If Chongqing is the most congested city in China, no one will have too many doubts. As a mountain city, its streets and bridges can not be blocked in the morning or night. Chongqing has built complex overpasses in the precipitous terrain. Chongqing people are used to living in such an environment, but outsiders often can’t find the north.