1. Doctoral Degree Candidate, School of Traffic and Transportation, Beijing Jiaotong Univ., No. 3 Shangyuancun, Haidian District, Beijing 100044, P.R. China.
2. Professor and Doctor, School of Traffic and Transportation, Beijing Jiaotong Univ., No. 3 Shangyuancun, Haidian District, Beijing 100044, P.R. China (corresponding author). ORCID: .
3. Master’s Degree Candidate, School of Traffic and Transportation, Beijing Jiaotong Univ., No. 3 Shangyuancun, Haidian District, Beijing 100044, P.R. China.
4. Associate Professor and Doctor, School of Traffic and Transportation, Beijing Jiaotong Univ., No. 3 Shangyuancun, Haidian District, Beijing 100044, P.R. China.