为探讨即墨市交通事故发生的特征 ,为交通安全管理提供科学依据 ,对 1979～ 1999年即墨市交通事故登记资料进行整理 ,并以日均事故起数、每万辆车交通事故发生率、致死率、致伤率、致残率为指标对交通事故的发生频率和危害程度进行了评估。1　材料与方法对即墨市交警大队提供的 In order to explore the characteristics of traffic accidents in Jimo City and provide a scientific basis for traffic safety management, the registration data of traffic accidents in Jimo City from 1979 to 1999 were sorted out. The daily average number of accidents and the incidence of traffic accidents per 10,000 vehicles were lethal Rate, injury rate, morbidity rate as indicators of the frequency of occurrence of traffic accidents and the degree of harm were evaluated. 1 materials and methods provided by the traffic police brigade in Jimo