Analysis of Single-Vehicle Crash Injury Severities in Urban River-Crossing Road Tunnels

Abstract:

Based on the originally unprocessed data from the Official Platform of “110” Alarming Receiving Center (OP110ARC) of Shanghai Public Security Bureau (SPSB), 529 single-vehicle crashes reported during one year and a half which happened at the thirteen urban road tunnels going across the Huangpu River are used in this study. To investigate the factors affecting the crash influence severity levels, ordered probit regression is established. Several categories of factors are considered as explanatory variables in the models. The study finds that the entrance of the tunnels is the site where severe injury crashes trend to occur. Rainy and snowy days impose vehicles and motorists driving via the tunnel sections in danger. Tunnels with a low speed limit (40 km/h in this study) may be not as safe as we thought before. Two-wheel vehicles without sufficient physical protection for its drivers and heavy vehicles also show a negative effect on the operation safety of single-vehicle at these studied tunnels. Alcohol involved drivers are more likely to suffer from a severe crashes and gets badly hurt.

• Periodical: Applied Mechanics and Materials (Volume 743)
• Pages: 526-532
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.743.526
• Online since: March 2015
• Authors: C.M. Jiang, J.J. Lu, L.J. Lu
• Keywords: Crash Injury Severities, Huangpu River, Ordered Probit Regression, River-Crossing Tunnels, Urban Road Tunnels

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