Through the investigation on the single vehicle roadside accidents on Jiangxi Nanchang—Zhangshu Expressway,Liyuan—Wenjiazhen Expressway and Taihe—Jinggangshan Expressway in 2006 and 2007,this paper records and analyzes the accidents data in detail,summarizes the charactersistic of single vehicle roadside accidents and the reaction charactersistic of roadside fraises in Jiangxi,and proposes 13 kinds of treatment measures on common roadside fraises.