A Diploma Thesis titled “Investigation of Messinia drivers attitudes towards road safety” was recently presented by Nektaria Salem. The aim of this Diploma Thesis was the investigation of Messinia drivers attitudes towards road safety, based on their choices on road network safety upgrade of Kalamata – Pilos axis. From the analysis it was derived that the probability for a driver using a safety upgraded road network over the existing one, depends on travel time and upgrade cost, as well as on gender, age, occupation, education and income of the driver. pdf5 ppt5