目前我国大陆的高速公路通车总里程已近3.5万公里,并且正在继续兴建。高速公路日益成为经济发展的大动脉,公安交通管理的主战场。高速公路交警作为高速公路上实施交通管理工作的主体,其工作存在着高度危险性。各地高速公路已经发生多起交警在执勤或勘察交通事故现场时被撞的事 At present, the total mileage of the expressway opened to the mainland of China is nearly 35,000 km and it is continuing to be built. Expressway has increasingly become the artery of economic development and the main battlefield of public security traffic management. Expressway traffic police as the main body of the implementation of traffic management on the highway, its work there is a high degree of danger. There have been a number of traffic police attacks on the expressways around the country during duty or investigation of traffic accidents.