A Diploma Thesis titled “Critical driver behaviour and risk factors in Europe” was presented by Dimitrios Vachaviolos in July 2018. The aim of the present Diploma Thesis is the analysis of critical behavior and risk factors of drivers in Europe. To this end, we analyzed the responses of a representative sample of 17,980 European citizens who participated in the pan-European ESRA survey, which took place in 2016. The analysis of behavior and the investigation of the critical factors affecting driver behavior and safety, was carried out by using statistical methods of cluster analysis and binary logistic regression. The model results revealed that speeding leads to the increase of accident involvement probability, as is the case also for fatigue – drowsiness and distraction.