为维护好首都的交通治安秩序，把好北京的门户，预防和查处违法逃逸机动车辆通过各进出京交通要道，建立了远郊区县电视监控系统。此系统主要解决过境车辆监控，包括全天候24小时监控、无遗漏视频移动检测、数字图像压缩记录、数据库管理、图像实时显示、图像回放、利用光缆或电话线实现在数据图像的远程传输等。该系统的应用，收到了良好的社会效益，有力地维护了交通秩序及社会治安环境。 In order to safeguard the traffic order of the capital, and to better the portal of Beijing, prevent and investigate illegal escape vehicles through various access routes to Beijing’s transportation, the suburban counties and television monitoring systems have been established. This system mainly solves the problem of transit vehicle monitoring including 24-hour monitoring, missing video motion detection, digital image compression and recording, database management, real-time image display, image playback, and long-distance data image transmission via optical fiber or telephone line. The application of this system has received good social benefits and effectively maintained traffic order and public order environment.