1. Ph.D. Candidate, College of Transportation, Jilin Univ., No. 5988, Renmin St., Changchun 130022, Jilin Province, P.R. China.
2. Associate Professor, College of Transportation, Jilin Univ., No. 5988, Renmin St., Changchun 130022, Jilin Province, P.R. China (corresponding author).
3. Professor, College of Transportation, Jilin Univ., No. 5988, Renmin St., Changchun 130022, Jilin Province, P.R. China.
4. College of Transportation, Jilin Univ., No. 5988, Renmin St., Changchun 130022, Jilin Province, P.R. China.
5. Master Candidate, College of Transportation, Jilin Univ., No. 5988, Renmin St., Changchun 130022, Jilin Province, P.R. China.