“…Over the past years, a great number of studies have concentrated on manifold factors influencing fatal and non-fatal road traffic accidents and their injury severity. Recent studies emphasized pre-crash human factors, such as alcohol consumption (Kim et al, 1995;Reynaud et al, 2002;Cummings et al, 2006;Yannis et al, 2008;Arranz and Gil, 2009;De Boni et al, 2013); seat-belt or Helmet usage (Cooper and Salzberg, 1993;Kim et al, 1995;Cummings et al, 2006); pre-crash vehicle factors such as the type of tyres (Strandoth et al, 2012;Elvik et al, 2013); at-crash vehicle factors such tire blow-outs, mechanical defects of the motor vehicles (Martin and Laumon, 2005;Barengo et al, 2006;Alam and Spainhour, 2009); pre-crash environmental factors such as roadway features or defects (Shankar et al, 1995;Karlaftis and Golias, 2002;Lee and Mannering, 2002;Chen and Chen, 2011;Kartal et al, 2011); at crash environmental factors such as road parameters, traffic signs, street lights, curbs or rumble strips (Hijar et al, 2000;Carson and Mannering, 2001;Zhou et al, 2005;Kim et al, 2007;Bombom and Edino, 2009;Šliupas, 2009;Pulugurtha and Bhatt, 2010;Jiang et al, 2011;Mamčic and Sivilevičius, 2013) using various statistical methods including logistic regression. In some researches, age (Cooper, 1990;Abdel-Aty et al, 1998;Zhang et al, 1998;Awadzi et al, 2008;Alam and Spainhour, 20...…”