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中文摘要：
提出了潜在冲突量的概念，并对其进行了分类。通过车速、交通量、车道宽度等易获取的交通参数来推算交叉口潜在冲突量。引入混合交通当量，将潜在冲突量与混合交通当量比值作为交叉口安全评价的指标，并选取灰色聚类的方法对交叉口进行安全程度的评价。对桂林市的9个交叉口进行了安全程度的评价，评价结果与实际状况相吻合。
英文摘要：
This article put forward the concept of the potential conflict and classifies the potential conflict.. Projecting the intersection potential conflicts through traffic parameters like speed,traffic volume and lane width. Introduce mixed traffic equivalent, with the ratio of potential conflict and mixed traffic intersection as the index of safety evaluation of intersection, and do intersection safety assessment with the method of grey cluster. The safety degree of the nine intersections in Guilin was evaluated, and the results matched the actual conditions.
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