12 contents of measures to simplify administration and decentralize public security traffic management, strengthen supervision and improve service.

Legal analysis: reform the service of traffic control window and fully implement "one-time, right away"; Deepen "Internet plus traffic control service" and actively implement "online operation and handheld operation"; Extend the decentralization of traffic control business and vigorously promote "doing it nearby and conveniently"; Comprehensively strengthen post-event supervision and improve the standardization level of management services; Improve the supervision system and mechanism; Strengthen the construction of smart supervision; Strengthen supervision after the event.

Legal basis: The full text of "Several Measures for Public Security Traffic Management Department to Further Deepen the Reform of" Simplifying Administration and Decentralizing Power, Strengthening Supervision and Improving Services "and Improve the Convenience of Traffic Management Services".