公路平面交叉口安全诊断方法是从平面交叉口现有的状况出发,以工程的角度,采用非事故分析、现场调查来判断产生交通事故发生的可能原因,并根据实践经验和理论分析的一种预防性方法。通过一个具有实践意义、可行、有效的简单工具辅助管理部门,改善交叉口安全,提高公路系统的交通安全。 The safety diagnosis method of intersection at highway plane is based on the existing condition of intersection and the non-accident analysis and on-the-spot investigation to judge the possible causes of traffic accidents from the engineering point of view, and based on practical experience and theoretical analysis Preventive approach. Improve the safety of intersections and improve the traffic safety of the highway system by assisting management departments with a practical tool that is practical, feasible and effective.