1. The Charles E. Via, Jr. Department of Civil and Environmental Engineering, Virginia Tech, Blacksburg, VA, USA;
2. Civil Engineering Department, King Saud University, Riyadh, Saudi Arabia;
3. Centre for Accident Research and Road Safety, Queensland University of Technology, Brisbane, QLD, Australia;
4. Center for Sustainable Mobility, The Charles E. Via, Jr. Department of Civil and Environmental Engineering, Virginia Tech Transportation Institute, Blacksburg, VA, USA