1. Ph.D. Candidate, School of Civil and Environmental Engineering, Univ. of New South Wales, Sydney, NSW 2052, Australia (corresponding author).
2. Lecturer, School of Civil and Environmental Engineering, Univ. of New South Wales, Sydney, NSW 2052, Australia.
3. Professor and Director of the Research Centre for Integrated Transport Innovation, School of Civil and Environmental Engineering, Univ. of New South Wales, Sydney, NSW 2052, Australia.