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基于大量高速公路路网交通阻断事件,归纳总结造成道路交通阻断的各项成因.将数据挖掘中的聚类算法引入风险管理的风险矩阵法,提出一种路网交通阻断成因风险指数评价方法.该方法研究各项不确定因素在区域路网发生不同变动幅度的概率分布及其对道路通行能力的影响,对引起道路交通阻断成因的风险性作出评价,为路网交通阻断预防和管理提供辅助支持.对华北某区域路网交通阻断因素的评价显示,其结果与管理人员的经验值一致.
Based on a large number of highway traffic blocking events on expressways, this paper summarizes the causes of traffic jam caused by road traffic.Clustering algorithms in data mining are introduced into the risk matrix method of risk management, and a risk index This method studies the probability distribution of different uncertainties in the regional road network and their influence on the capacity of the road, evaluates the risk of the cause of road traffic block, Prevention and management.On the evaluation of traffic block factors of road network in a certain area in North China, the results are consistent with the experience of managers.