The western part of Hunan Province is dominated by mountains and heavy hills. The terrain is undulating and the vertical climate is obvious. The safety of driving on some long longitudinal slopes has become the focus of traffic management. In order to analyze the influence of rain and fog weather on the long longitudinal slope road section,we have monitoring the rain-fog weather and traffic environment information. Combined with the driving tests under different weather conditions on the scene,we have collected the data such as road section geographic information,driving speed,driver's pulse o...
