| Highway intersection is road traffic flow of important node and the hub,is the key part of city road network,traffic accident more concentrated place.Causes of traffic accidents are in many aspects,besides the reason of traffic participants themselves,some potential safety implications factors also exist intersection design of highway in china.In this paper,taking the road intersection as the research object,by analyzing the factors affecting the intersection of potential safety hazard,establish the evaluation system of intersection safety hazards and safety classification,evaluation to determine the intersection safety hidden danger standard.This paper based on the existing road intersection of various location index,linear index,speed index,road safety performance indicators were detected and compared analysis of design parameters of various indexes and design drawings of the original line detection income data,find out the root cause of intersection index difference;then according to plane intersection types,detection of indicators comprehensive factors such as the comprehensive analysis,the division of intersection safety hidden danger level and determine the flat standard Jiaokou security hidden danger evaluation;finally aiming at the reasons of intersection traffic accidents and risks assessment standard put forward relevant measures and improvement scheme rectification opinions to improve intersection safety management and service level,reduce the intersection traffic accident the occurrence caused by traffic accident,reduce casualties and property losses,provides the reference for the management mechanism. |