1. Ph.D. Candidate, School of Transportation, Southeast Univ., Nanjing 211189, China.
2. Professor, School of Transportation, Southeast Univ., Nanjing 211189, China.
3. Assistant Professor, School of Transportation, Southeast Univ., Nanjing 211189, China (corresponding author).
4. Postdoctoral Student, Dept. of Civil and Environmental Engineering, Hong Kong Polytechnic Univ., Hung Hom, Kowloon, Hong Kong 999077, China.
5. Master Student, School of Transportation, Southeast Univ., Nanjing 211189, China.