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Risk Factor Analysis of Vehicle-to-Vulnerable-Road-User Crashes at Signalized Intersections

机译:信号交叉口车辆对道路使用者碰撞的危险因素分析

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This study focused on vulnerable road user crashes induced by mixed traffic at signalized intersections in China. Data on various possible risk factors including road design, signal control, and weather conditions were collected and analyzed accordingly. A count data model was adopted for crash frequency analysis with random matched resampling database to remove the effects of excess zeros on prediction performance. The results indicate that more accurate and reliable parameter estimates and reduced standard errors can be obtained with the random matched resampling method. As results, cycle time of signal, separated right-turn lane (SRL), left-turn waiting area (LWA), and awnings are all significantly related to the risk of vehicle-to-vulnerable road user crashes. This helps to shed light on the development of remedial engineering and traffic management and control measures.
机译:这项研究的重点是在中国信号交叉口混合交通引起的脆弱道路使用者撞车事故。收集并分析了有关各种可能的风险因素的数据,包括道路设计,信号控制和天气状况。采用计数数据模型进行随机匹配的重采样数据库进行碰撞频率分析,以消除过多零点对预测性能的影响。结果表明,使用随机匹配​​重采样方法可以获得更准确和可靠的参数估计值,并减少标准误差。结果,信号的循环时间,分离的右转车道(SRL),左转等待区(LWA)和遮阳篷都与车辆易受伤害的道路使用者撞车的风险显着相关。这有助于阐明补救工程以及交通管理和控制措施的发展。

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