The Most Influential Variables in the Determination of V85 Speed

This article aims to identify the variables inside the road context that have a greater impact on determining the 85th percentile speed (V85). The methodology introduced in this paper detects at first the real driving scenario through the survey of many variables in order to direct attention to the important ones. At this database we have applied clustering techniques in order to extract a more advanced level of knowledge and, in particular, to identify which variables are most important in determining the V85 speed.