1. Ph.D. Candidate, Faculty of Transport and Traffic Engineering, Univ. of Belgrade, Vojvode Stepe 305, Belgrade 11000, Serbia (corresponding author). ORCID: .
2. Full Professor, Faculty of Transport and Traffic Engineering, Univ. of Belgrade, Vojvode Stepe 305, Belgrade 11000, Serbia.
3. Associate Professor, Faculty of Transport and Traffic Engineering, Univ. of Belgrade, Vojvode Stepe 305, Belgrade 11000, Serbia.