1. Professor, School of Transportation Science and Engineering, Harbin Institute of Technology, Harbin 150090, China.
2. Ph.D. Candidate, School of Transportation Science and Engineering, Harbin Institute of Technology, Harbin 150090, China.
3. Assistant Professor, School of Transportation Science and Engineering, Harbin Institute of Technology, Harbin 150090, China (corresponding author).
4. Professor, School of Highway, Chang’an Univ., Xi’an 710064, China.
5. Assistant Professor, Dept. of Civil and Environment Engineering, Hong Kong Polytechnic Univ., Hong Kong, PR China.