China Safety Science Journal ›› 2023, Vol. 33 ›› Issue (8): 134-141.doi: 10.16265/j.cnki.issn1003-3033.2023.08.1180

• Safety engineering technology • Previous Articles     Next Articles

Design of traffic safety optimization for expressway tunnel based on linear guidance

ZHENG Haoran1(), DU Zhigang1, WANG Shoushuo1, WEN Jingzhou2, JIAO Fangtong1   

  1. 1 School of Transportation and Logistics Engineering, Wuhan University of Technology, Wuhan Hubei 430063, China
    2 Department of Transport of Yunnan Province, Kunming Yunnan 650051, China
  • Received:2023-02-11 Revised:2023-05-18 Online:2023-10-08 Published:2024-02-28

Abstract:

In order to alleviate problems of high energy consumption, significant traffic accident losses and difficulties in rescue associated with expressway tunnel lighting, referring to linear lighting technology in the field of architectural lighting, a design method of linear guidance system for highway tunnel was proposed. Considering spatial rights-of-way, driver factorsand driving tasks, an evaluation framework of linear guidance system based on accident prevention was established. Applicability of linear guidance design was analyzed, and an overall optimization approach for expressway tunnel traffic safety was presented. The effectiveness of linear guidance system was validated using tunnel entrance as an example. The results show that by utilizing retroreflection, self-luminous energy storage and Light Emitting Diode(LED) display technologies, visual reference system in expressway tunnels can be reconstructed based on principles of linear guidance. Based on this, multi-layer linear and contour guidance in tunnel space can be realized at low cost, which meets drivers' ability to perceive traffic information under different visual conditions It ensures continuity and consistency of visual guidance, guides drivers to make safe and rational behavioural decisions, decomposes driving tasks, and reduces possibility of driving operation errors. Thus, integration of energy-saving expressway tunnel lighting and traffic safety is achieved.

Key words: linear guidance, expressway tunnel, traffic safety, visual environment, optimization design, visual reference system