However,complicated the problem is,the traffic accident rate can be analyzed from such factors as the safety of road surface,the safety of highway geometry,the safety of road transects,the safety of.

• 对道路上发生的相关交通事故情况与道路条件安全性的关系进行了分析,对比分析了大量国内外事故绝对数、事故率等统计数据。