Effects of rainy weather on traffic accidents of a freeway using cellular automata model

doi:10.1088/1674-1056/26/10/108901

中国物理B ›› 2017, Vol. 26 ›› Issue (10): 108901-108901.doi: 10.1088/1674-1056/26/10/108901

• INTERDISCIPLINARY PHYSICS AND RELATED AREAS OF SCIENCE AND TECHNOLOGY • 上一篇下一篇

Effects of rainy weather on traffic accidents of a freeway using cellular automata model

Ming-Bao Pang(庞明宝), Bo-Ning Ren(任泊宁)

School of Civil and Transportation, Hebei University of Technology, Tianjin 300401, China

收稿日期:2017-04-20 修回日期:2017-06-14 出版日期:2017-10-05 发布日期:2017-10-05
通讯作者: Ming-Bao Pang, Bo-Ning Ren E-mail:pmbpgy@hebut.edu.cn;rbn0525@163.com
基金资助:
Project supported by the National Natural Science Foundation of China (Grant No. 50478088) and the Natural Science Foundation of Hebei Province, China (Grant No. E2015202266).

Effects of rainy weather on traffic accidents of a freeway using cellular automata model

Ming-Bao Pang(庞明宝), Bo-Ning Ren(任泊宁)

School of Civil and Transportation, Hebei University of Technology, Tianjin 300401, China

Received:2017-04-20 Revised:2017-06-14 Online:2017-10-05 Published:2017-10-05
Contact: Ming-Bao Pang, Bo-Ning Ren E-mail:pmbpgy@hebut.edu.cn;rbn0525@163.com
Supported by:
Project supported by the National Natural Science Foundation of China (Grant No. 50478088) and the Natural Science Foundation of Hebei Province, China (Grant No. E2015202266).

摘要/Abstract

摘要：

The aim of this work is to investigate the influence of rainy weather on traffic accidents of a freeway. The micro-scale driving behaviors in rainy weather and possible vehicle rear-end and sideslip accidents are analyzed. An improved CA model of two lanes one-way freeway is presented, where some vehicle accidents will occur when the necessary conditions are simultaneously satisfied. The characteristics of traffic flow under different rainfall intensities are discussed and the accident probabilities are analyzed via the simulation experiments by using variable speed limit (VSL) and incoming flow control. The results indicate that the measures are effective especially during heavy rainstorms or short-time heavy rainfall. According to different rainfall intensities, an appropriate strategy should be adopted in order to reduce the probability of vehicle accidents and enhance traffic flux as well.

关键词: cellular automata (CA) model, freeway, rainy weather, rear-end, sideslip

Abstract:

Key words: cellular automata (CA) model, freeway, rainy weather, rear-end, sideslip

中图分类号: (Land transportation)

89.40.Bb

02.60.-x (Numerical approximation and analysis)

庞明宝, 任泊宁. Effects of rainy weather on traffic accidents of a freeway using cellular automata model[J]. 中国物理B, 2017, 26(10): 108901-108901.

Ming-Bao Pang(庞明宝), Bo-Ning Ren(任泊宁). Effects of rainy weather on traffic accidents of a freeway using cellular automata model[J]. Chin. Phys. B, 2017, 26(10): 108901-108901.

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Effects of rainy weather on traffic accidents of a freeway using cellular automata model

Effects of rainy weather on traffic accidents of a freeway using cellular automata model

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