Abstract: This paper provides the survey about the impact of the weather changes (particularly fog) on the highway transport traffic. Considering the general surveys on the road crashes, the deaths caused due to road accidents and fatalities are of 7,400 approximately in an year with 673,000 minor and major injuries. When gone particular about the crashes due to less visibility in the presence of the fog almost 11,600 people die in a year. The data generated due to the weather impact on the transport traffic need to be analyzed to predict the safety of individual on the road during adverse climatic conditions such as fog, high winds etc.

Keywords: Highway transport network, fog detection, road fatalities, grayscale features, histogram, climatic changes, risk index.