Single Vehicle Traffic Accidents in Shanghai River-crossing Tunnels

摘要

This study attempts to evaluate the injury risk of single-vehicle accidents in fourteen Shanghai river-crossing tunnels and identify the factors that contribute to mortalities and severe injuries. The traffic accident data was obtained from the Shanghai Transport and Port Authority. The driver, environmental, vehicle and tunnel characteristics of 508 single-vehicle accidents in 2011 were examined by an ordered logit model. The results show that driver's gender, the time of accident, road surface condition, vehicle types, speed limits, accident location, the number of lanes, tunnel length, maximum gradient, and least horizontal radius are significant factors influencing the injury severity.