基于风险区域的城市道路交叉口交通冲突分析方法

Journal of Tongji University Pub Date : 2021-01-01 DOI:10.11908/J.ISSN.0253-374X.21158

yicheng Lu, Y. Zou, Kai Cheng, Lai Zheng, Selpi Selpi, Ting Zhu

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引用次数: 2

摘要

提出了一种基于风险区域的两阶段交通冲突分析方法。利用inD数据集，通过计算到达风险区域的时间(tTTR)来识别交通冲突，然后通过风险区域持续时间来判断交通冲突的风险程度。与基于碰撞时间(tTTC)的方法相比，该方法不仅可以更有效地识别追尾冲突和交叉冲突，而且可以表征不同时刻的交通冲突风险程度。

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Analytical Method of Traffic Conflict at Urban Road Intersections Based on Risk Region

A two-stage method of traffic conflict analysis was proposed based on risk region. By using the inD dataset, traffic conflicts were recognized with the calculation of time to risk region(tTTR), and then the degree of traffic conflict risk was judged by risk region duration. Compared with the method based on time-to-collision(tTTC), the proposed method can not only identify rear-end conflicts and crossing conflicts more effectively, but also characterize the degree of traffic conflict risk at different times.

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Journal of Tongji University

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