Study On The Expressway Traffic Secondary Accident Strategy

The rapid development of the expressway has provided good driving condition for vehicles, and greatly improved transportable condition of the roads. While the traffic accidents brought thereupon is obviously increasing, which caused seriously damage and loss to lives and properties of country and the people. Secondary accident is a type of the traffic accident of the expressway. Besides having commonality of the traffic accidents of expressways, they also have their particularity. Generally speaking, secondary accidents and firstly accidents have apparent correlation. The latter is more serious than the former, they threaten the life security of first accident survivors, rescuers and survey persons directly. At the same time, compared with firstly traffic accidents of the expressway, secondary accidents can be prevented and controlled. Consequently, the analysis and research of the secondary accidents are significant for preventing secondary accidents and improving the traffic condition.The paper collects, consults and analyses specific cases of the traffic accidents and secondary accidents on the domestic and international expressways, discusses analytical index and methods of the traffic accidents. Combined with the traffic accidents data and practical driving environment from Sanmenxia section of Luo-San expressway, the paper analyses the formative cause of the traffic accidents and secondary accidents of the expressway, discusses the influence factors such as person, vehicle and road-environment, and the correlation between secondary accidents and these influence factors.Through propagating safety education, improving vehicle conditions and driving condition and controlling traffic flow, the paper studies the prevention and safety strategy, proposes a series of constructive suggestions and practicable measures and emergency rescue procedure of traffic accidents and secondary accidents. Combined with practical operate situation of Sanmenxia sections of expressway, the paper designs the framework of accident emergency rescue management.