京昆高速(山西段)交通事故特征及其与气象条件的关系  

Traffic accidents characteristics of Beijing-Kunming Expressway(Shanxi section)and the relationship with meteorological conditions

作　　者：李文娟 裴克莉 张豪 郝靖 张敏[3] LI Wenjuan;PEI Keli;ZHANG Hao;HAO Jing;ZHANG Min(Shanxi Meteorological Service Center,Taiyuan 030002,China;Shanxi Transportation Holdings Group Co.,Ltd.,Taiyuan 030002,China;Shanxi Atmospheric Sounding Technology Support Center,Taiyuan 030006,China)

机构地区：[1]山西省气象服务中心,山西太原030002 [2]山西交通控股集团有限公司,山西太原030002 [3]山西省大气探测技术保障中心,山西太原030006

出　　处：《甘肃科学学报》2024年第1期17-23,共7页Journal of Gansu Sciences

基　　金：山西省地方标准制修订项目“高速公路气象服务产品规范”(2022-8094);山西省气象局科学技术研究项目“山西省高速公路气象灾害风险隐患特征分析”(SXJZCGYY202205)。

摘　　要：气象条件会对高速公路行车安全带来影响,尤其是在恶劣的天气条件下。以京昆高速(山西段)为研究对象,分析交通事故时空分布特征,探究事故发生数量与气象条件的关系。结果表明:(1)除晴朗天气条件外,多云和降雨对应的交通事故数量最多,降雪和起雾对应的交通事故数量相对较少。(2)春、秋季是京昆高速(山西段)交通事故发生的高峰时段,夏季次之。(3)京昆高速(山西段)交通事故的发生以太原市和临汾市最多,晋中市、阳泉市和运城市发生的交通事故数量次之,吕梁市发生的交通事故数量最少。(4)春季空气湿度较大或者大风天气条件下容易发生交通事故,夏季和秋季在降水天气条件下容易发生交通事故,冬季降雪(雨)、大风及能见度低时交通事故最容易发生。Meteorological conditions,especially the bad weather ones,will have impacts on expressways traffic safety.Taking the Beijing-Kunming Expressway(Shanxi section)as the research object,this paper analyzed the temporal and spatial distribution characteristics of traffic accidents,and explored the relationship between the number of accidents and meteorological conditions.The results showed that:(1)except for sunny days,the traffic accidents corresponding to cloudy and rainfall events are the most obvious,while those corresponding to snow and fog are relatively fewer.(2)Spring and autumn are the seasons that traffic accidents occurred most on the Beijing-Kunming Expressway(Shanxi section),followed by summer.(3)In the Beijing-Kunming Expressway(Shanxi section),traffic accidents occurred in Taiyuan and Linfen cities were the most,followed by Jinzhong,Yangquan and Yuncheng cities,and traffic accidents occurred in Lvliang city were the least.(4)Traffic accidents are easy to occur in spring when the air humidity is high or the wind is strong,and in summer and autumn when heavy rain falls,and most likely to occur in winter with the snow(or rainfalls),strong winds and low visibility conditions.The purpose of this paper is to further clarify the influence of meteorological conditions on the expressway traffic accidents,and provide a reliable theoretical basis for the construction of the risk warning systems.

关 键 词：交通事故 气象条件 聚类分析 京昆高速 

分 类 号：P49[天文地球—大气科学及气象学]