公路交通安全事故关联因素独立性检验

综述了国内外关于公路交通安全事故统计分析工作的情况,针对交通事故关联因素,以北京市门头沟区2005年公路交通事故数据为案例,采用列联表方法,对事故等级、事故分类与部分关联因素(如驾驶员年龄、性别、天气情况、时刻、时段、车辆类型等)进行了十几项独立性检验,这些结果将有益于校核人们对于交通安全问题的一些习惯认识,对于交通管理和改善公路交通安全工作也有一定借鉴和参考意义。

Independence Test of Traffic Accident Related Factors

The situation of the statistics and analysis of traffic accidents on highway over the world are introduced.Based on the case of highway accident data of Mentougou District of Beijing in 2005,the independence tests of accident degree or accident type with some re- lated factors,such as age,sex,weather,time,period,and vehicle type are conducted by applying the method of contingency ta- ble.The conclusions of the research can collate the common views about traffic accident and can be used as reference of traffic manage- ment and mad safety improvement to a certain extent.