There are no restrictions on cooperative cities.

Cooperative city number limit refers to the measures to restrict some vehicles from driving on the road according to their tail numbers (or other signs) in a specific period of time. The purpose of the number limit policy is to alleviate traffic congestion, reduce exhaust emissions and improve traffic efficiency. The main reasons for implementing the quantitative restriction policy are as follows:

1. Traffic congestion control: In some cities, the traffic volume is very large, especially during rush hours, the road capacity is limited, and too many vehicles will lead to traffic congestion. Through the number limit policy, the number of vehicles can be effectively controlled and traffic congestion can be reduced.

2. Environmental protection: Automobile exhaust emission is one of the main sources of environmental pollution. The number limit policy can reduce the number of vehicles, reduce exhaust emissions, improve air quality and protect the environment.

3. Improve traffic efficiency: the number limit policy can reduce traffic flow, relieve road pressure and improve traffic efficiency. Especially in the case of imperfect urban traffic network, the number limit policy can make traffic more orderly and reduce traffic accidents.

In addition, the number limit policy can also promote the development of public transport, encourage citizens to use public transport and reduce the use of private cars. The implementation of the number limit policy needs to be combined with other traffic management measures and dynamically adjusted according to the actual situation in order to achieve the best traffic management effect.