A Diploma Thesis titled “Modelling the economic impact of road accidents in Greece” was presented by Eleftherios-Marios Kourtis in July 2018. The objective of this Diploma Thesis is the estimation of the human cost of road accidents based on the “Willingness-to-Pay” (WTP) methodology, and the identification of drivers attitudes towards the probability of getting involved in a road accident, using the “Stated Preference” method. The results demonstrate a positive correlation between the number of road accidents that a driver was involved so far and the annual amount that is willing to invest. Furthermore, based on the WTP methodology, the road accident fatality human cost in Greece was estimated at 1.761 million euros.