应用背景随着经济的快速发展,我国的机动车保有量呈现飞速增长的态势。交通问题已经成为当今社会共同关注的热点,尤其城市和高速公路交通拥堵问题日益严重。如何提高路网的交通服务水平、解决好交通拥堵问题、使车辆出行更加便捷高效已经成为交通领域的重要课题。国际上越来越多的国家采用ETC(Electronic Toll Collection:电子不停车收费)模式收取通行费,从而大大提升了高速公路的通行效率 Application Background With the rapid economic development, the number of motor vehicles in China shows a rapid growth trend. Traffic problems have become a common concern in today’s society. In particular, traffic congestion in cities and highways is becoming more and more serious. How to improve the traffic service level of the road network, solve the traffic jam problem and make the vehicle travel more convenient and efficient has become an important issue in the field of transportation. More and more countries in the world adopt the ETC (Electronic Toll Collection) mode to collect the toll fee, thus greatly improving the traffic efficiency of the expressway