Study on Identification of Traffic Accident Risk Sections on Rainy Days and Comprehensive Improvement Scheme of Expressway
With the completion of many expressway expansion projects in Guangdong,the increase of traffic accidents on rainy days has become a new challenge for highway and traffic management.Therefore,this study combined the comprehensive improvement emergency project of expressway sections with frequent traffic accidents on rainy days,put forward the cause or mechanism of frequent traffic accidents on rainy days;proposed and verified the"identification procedure of traffic accident risk sections of expressway",and the comprehensive improvement measures of traffic accident risk sections and the determination method of allowable driving speed on rainy days.The relevant results have reference value for the drainage design of expansion expressway project and the comprehensive improvement of existing expressway sections with traffic accidents on rainy days.
highwayrainy day traffic accidentspavement water film thicknesshydroplaning speed threshold
NETL
NSTL
万方数据
