1. Ph.D. Student, Key Laboratory of Big Data Application Technologies for Comprehensive Transport of Transport Industry, Beijing Jiaotong Univ., Beijing 100044, China. ORCID: .
2. Professor, Key Laboratory of Big Data Application Technologies for Comprehensive Transport of Transport Industry, Beijing Jiaotong Univ., Beijing 100044, China (corresponding author).
3. Ph.D. Student, Zachry Dept. of Civil and Environmental Engineering, Texas A&M Univ., College Station, TX 77843-3136.