1. Associate Professor, Key Laboratory of Road and Traffic Engineering, Ministry of Education, Shanghai 201804, China.
2. Ph.D. Student, Key Laboratory of Road and Traffic Engineering, Ministry of Education, Shanghai 201804, China.
3. Professor, State Key Laboratory of Rail Traffic Control and Safety, Beijing Jiaotong Univ., No. 3 Shangyuancun, Beijing 100044, China.
4. Assistant Professor, Key Laboratory of Road and Traffic Engineering, Ministry of Education, Shanghai 201804, China (corresponding author).