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Exploring the Influencing Factors and Formation of the Blind Zone of a Semitrailer Truck in a Right-Turn Collision

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Listed:
  • Qingzhou Wang

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

  • Jiarong Sun

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

  • Nannan Wang

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

  • Yu Wang

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

  • Yang Song

    (Hebei Key Laboratory of Geotechnical Engineering Safety and Deformation Control, Hebei University of Water Resources and Electric Engineering, Cangzhou 061001, China)

  • Xia Li

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

Abstract

The blind zone that accompanies the right-turn process of semitrailer trucks is a major cause of crashes and the high fatality of vulnerable road users (VRUs). Understanding the relationship between the blind zone and right-turn collisions will play a positive role in preventing such accidents. The purpose of this study was to investigate the formation of right-turn blind zones for semitrailer trucks and to determine the factors (turning speed, turning radius, and collision position) influencing the severity of accidents through real-world vehicle tests and PC-CRASH simulation. The results show that the calculation model of the inner wheel difference blind zone established for semitrailer trucks can provide more accurate estimation than the model for rigid trucks, due to the consideration of a virtual third axle between the tractor and the trailer. On the other hand, the PC-CRASH simulation test indicates the turning speed and turning radius directly affect the scale of the inner wheel difference blind zone, and larger blind zone and encroachment on adjacent lanes increase the potential for collision. Moreover, the difference in collision position is closely related to whether the rider suffers a secondary crush. Front position is more likely to cause the cyclist to be crushed. For further analysis, the long-term interaction between the blind zones resulting from the right rearview mirror and the inner wheel difference also increases the risk during a right turn. Therefore, reducing the blind zone in the right-turn process is the key to improving right-turn safety for semitrailer trucks and VRUs.

Suggested Citation

  • Qingzhou Wang & Jiarong Sun & Nannan Wang & Yu Wang & Yang Song & Xia Li, 2022. "Exploring the Influencing Factors and Formation of the Blind Zone of a Semitrailer Truck in a Right-Turn Collision," Sustainability, MDPI, vol. 14(16), pages 1-23, August.
    • Handle: RePEc:gam:jsusta:v:14:y:2022:i:16:p:9805-:d:883613
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    References listed on IDEAS

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    1. Lihua Wei & Yifan Tan & Haixu Liu & Yun Pu, 2021. "Electric cyclist injury of the collision between right turn of truck and electric bicycle," Computer Methods in Biomechanics and Biomedical Engineering, Taylor & Francis Journals, vol. 24(13), pages 1463-1472, October.
    2. Gabriele Prati & Víctor Marín Puchades & Marco De Angelis & Federico Fraboni & Luca Pietrantoni, 2018. "Factors contributing to bicycle–motorised vehicle collisions: a systematic literature review," Transport Reviews, Taylor & Francis Journals, vol. 38(2), pages 184-208, March.
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