1. Professor, The Academy of Criminal and Police Studies, Cara Dušana 196, Zemun, Serbia.
2. Professor, Faculty of Traffic and Transport Engineering, Univ. of Belgrade, Vojvode Stepe 305, Belgrade, Serbia.
3. Research Associate, Faculty of Traffic and Transport Engineering, Vojvode Mišića 52, Doboj, Bosnia and Herzegovina, Republic of Srpska.
4. Lecturer, The Academy of Criminal and Police Studies, Cara Dušana 196, Zemun, Serbia (corresponding author).