The DMV 24-hour self-service hall "is located in Zhangjiakou Qiaodong District, Weisan Road, Zhangjiakou traffic police detachment of vehicle management at the south door, regardless of the time of day off at any time to do! 24 hours 24 hours a day without closing, in order to effectively enhance the level of service to the masses, to create a fast, efficient, convenient service model, Zhangjiakou City Public Security Traffic Police detachment of vehicle management to brainstorming, initiative and innovation! In order to effectively enhance the level of service to the masses to create a fast, efficient and convenient service model, Zhangjiakou City Public Security Traffic Police detachment vehicle management, brainstorming, initiative and innovation, to unmanned self-service thinking as the guide, traffic control big data as the core, traffic control business as the basis, traffic control services to facilitate the goal of the comprehensive implementation of public security traffic control, "release the management of services," the new reform measures.