Traffic police -04-21 Little Neodymium people love to cry and make noise. 2021-04-21 Traffic police call the police. 22 Alarm Service Desk is a department set up by China&;s public security traffic management organs to receive mass traffic accident alarms, command and dispatch police officers to handle all kinds of alarms, ask for help, and at the same time receive reports, complaints and inquiries from the masses on traffic management and traffic police law enforcement issues. Everyone also pays attention to relevant recommendations.