Abstract: Adverse weather has great influences on operation and safety of urban traffic.In fact,the change of driving behavior under adverse weather conditions is the primary cause of traffic congestion and accidents.A review of driving behaviors in adverse weathers is of positive significances for studying traffic congestion and accidents under adverse weather conditions.Studies abroad and in China are both reviewed in this paper.Basing on three common adverse weather conditions (rain,snow,and fog),the environmental change and its impacts on driving behavior are analyzed.Additionally,orientations of future studies are discussed.According to related studies,the results show that drivers choose different speeds and headways in different levels of rain,snow,or fog;the reaction time of drivers and vehicle delay are all different from which in good weather conditions.