Traffic control is a specific provision of guiding, prohibiting, restricting or indicating nature formulated by the traffic management department of the public security organ according to laws and regulations on the passage of vehicles and pedestrians on the road and other traffic-related activities. Generally speaking, traffic restrictions are mainly temporary provisions in the case of assembly and procession, large-scale sports meeting, road and bridge construction, emergency rescue and disaster relief, and implementation of important security tasks. After the implementation of traffic control, citizens should abide by the control notice and actively cooperate with the traffic police department.