1. Associate Professor, School of Traffic and Transportation Engineering, Changsha Univ. of Science and Technology, Changsha 410114, China. ORCID: .
2. M.S. Student, School of Traffic and Transportation Engineering, Changsha Univ. of Science and Technology, Changsha 410114, China. ORCID: .
3. M.S. Student, School of Traffic and Transportation Engineering, Changsha Univ. of Science and Technology, Changsha 410114, China.
4. Lecturer, School of Traffic and Transportation Engineering, Changsha Univ. of Science and Technology, Changsha 410114, China. ORCID: .
5. Professor, School of Traffic and Transportation Engineering, Changsha Univ. of Science and Technology, Changsha 410114, China.
6. Associate Professor, School of Traffic and Transportation Engineering, Changsha Univ. of Science and Technology, Changsha 410114, China (corresponding author).