Beijing is not suitable for the development of private cars  the reasons are that its population density is too high and the transportation facilities are backward  Besides, the parking spaces are too few, and the city's road capacity is also limited  The current traffic flow has overwhelmed the city's traffic
The experience of various countries shows that in the development of the relationship between cars and roads, the development of cars always promotes that of roads. One of the driving forces to promote urban road construction is to promote the development of private cars.
 If private cars are vigorously promoted, it will inevitably cause social problems that are hard to solve