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Electric Bicyclist Injury Severity during Peak Traffic Periods: A Random-Parameters Approach with Heterogeneity in Means and Variances

Author

Listed:
  • Tong Zhu

    (College of Transportation Engineering, Chang’an University, Xi’an 710064, China)

  • Zishuo Zhu

    (College of Transportation Engineering, Chang’an University, Xi’an 710064, China)

  • Jie Zhang

    (Research Institute of Highway, Ministry of Transport, Beijing 100088, China)

  • Chenxuan Yang

    (Department of Civil, Construction and Environmental Engineering, The University of Alabama, Tuscaloosa, AL 35487, USA)

Abstract

Accidents involving electric bicycles, a popular means of transportation in China during peak traffic periods, have increased. However, studies have seldom attempted to detect the unique crash consequences during this period. This study aims to explore the factors influencing injury severity in electric bicyclists during peak traffic periods and provide recommendations to help devise specific management strategies. The random-parameters logit or mixed logit model is used to identify the relationship between different factors and injury severity. The injury severity is divided into four categories. The analysis uses automobile and electric bicycle crash data of Xi’an, China, between 2014 and 2019. During the peak traffic periods, the impact of low visibility significantly varies with factors such as areas with traffic control or without streetlights. Furthermore, compared with traveling in a straight line, three different turnings before the crash reduce the likelihood of severe injuries. Roadside protection trees are the most crucial measure guaranteeing riders’ safety during peak traffic periods. This study reveals the direction, magnitude, and randomness of factors that contribute to electric bicycle crashes. The results can help safety authorities devise targeted transportation safety management and planning strategies for peak traffic periods.

Suggested Citation

  • Tong Zhu & Zishuo Zhu & Jie Zhang & Chenxuan Yang, 2021. "Electric Bicyclist Injury Severity during Peak Traffic Periods: A Random-Parameters Approach with Heterogeneity in Means and Variances," IJERPH, MDPI, vol. 18(21), pages 1-19, October.
    • Handle: RePEc:gam:jijerp:v:18:y:2021:i:21:p:11131-:d:662780
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    References listed on IDEAS

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    4. Hou, Qinzhong & Huo, Xiaoyan & Leng, Junqiang & Cheng, Yuxing, 2019. "Examination of driver injury severity in freeway single-vehicle crashes using a mixed logit model with heterogeneity-in-means," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 531(C).
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    Cited by:

    1. Kanghyun Kim & Jungyeol Hong, 2023. "Severity Predictions for Intercity Bus Crashes on Highway Using a Random Parameter Ordered Probit Model," Sustainability, MDPI, vol. 15(17), pages 1-15, August.

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