通过对现有高速公路交通紧急事件分类方法的分析,结合交通紧急事件对高速公路交通流的影响,综合考虑交通紧急事件发生的时间、空间特点,提出基于交通影响条件下的高速公路交通紧急事件分类方法,该分类方法有助于交通管理人员就交通意外事件对道路交通流的影响进行定性分析,进而在此基础上做进一步的定量分析,为高速公路交通事件应急管理提供业务基础和理论指导。 Based on the analysis of the existing highway traffic emergency classification methods and the impact of traffic emergency on the expressway traffic flow, considering the time and space characteristics of the traffic emergency, the paper puts forward the highway traffic emergency The classification method can help traffic managers to conduct qualitative analysis on the impact of traffic accidents on road traffic flow and further quantitative analysis on this basis to provide business basis and theoretical guidance for the emergency management of expressway traffic accidents .