一、概述近几年来,各省都在大力推进高速公路全程监控建设,力争达到无盲区覆盖,现在已基本实现对大桥、隧道、事故多发区等领域的重点监控。高速公路在监控布点逐步铺开的同时,也在着手探索全国联网之路。高速公路一旦出现交通紧急事故,交通隐患更为突出,交通控制及预案设置需求比城市道路更加强烈。在建设和部署有线监控的同时,高速公路管理部门也提出了要逐步提 I. Overview In recent years, all provinces have been vigorously promoting the construction of freeway monitoring and control so as to achieve coverage without blind spots. Nowadays, they have basically realized the monitoring and control over major bridges, tunnels and areas where accidents occur frequently. While monitoring the deployment of expressways, the expressway is also exploring the road to national networking. Traffic accidents are more prominent in the event of a traffic emergency on the expressway. Traffic control and planning requirements are stronger than urban roads. In the construction and deployment of wired monitoring at the same time, the highway management department also proposed to be gradually