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首页> 外文会议>COTA international conference of transportation professionals >Safety Impact Factor Analysis at Intersections with Left-Turn Waiting Areas Based on Ordered Logit Model
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Safety Impact Factor Analysis at Intersections with Left-Turn Waiting Areas Based on Ordered Logit Model

机译：基于有序Logit模型的左转等候区交叉口安全影响因子分析

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In recent years, many cities have set up the left-turn waiting areas (LWA) at intersections. It not only improved the operation efficiency of intersections but also have impacted traffic safety performance. This paper focused on the characteristics of traffic conflicts at intersections with LWA and analyzed various factors affecting safety performance of LWA. The traffic conflict severity and traffic conflict frequency were used to identify the safety performance of intersections. The ordered logit model was built to find out the factors which have significant impacts on traffic safety at intersections with LWA. Results showed that the capacities of LWA, secondary conflicts, rear-end conflicts, confluence conflicts, clearance between vehicles, the left-turn traffic volumes, the numbers of receiving lanes, turning left in advance, and the types of left-turn phase have significant impacts on intersection safety with LWA. Finally, some management recommendations are put forward to improve the safety.
机译：近年来，许多城市在交叉路口设立了左转等候区（LWA）。它不仅提高了十字路口的运营效率，而且还影响了交通安全性能。本文着眼于与轻轨交叉口的交通冲突的特点，分析了影响轻轨交叉口安全性能的各种因素。交通冲突的严重程度和交通冲突的频率被用来识别十字路口的安全性能。建立有序logit模型是为了找出对LWA交叉路口的交通安全有重大影响的因素。结果表明，LWA的容量，二次冲突，追尾冲突，合流冲突，车辆之间的净距，左转交通量，接收车道数量，提前转左以及左转阶段的类型LWA对路口安全性有重大影响。最后，提出了一些管理建议以提高安全性。

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