1. Master Student, Key Laboratory of Road and Traffic Engineering of the Ministry of Education, College of Transportation Engineering, Tongji Univ., 4800 Cao’an Rd., Shanghai 201804, China.
2. Professor, Key Laboratory of Road and Traffic Engineering of the Ministry of Education, College of Transportation Engineering, Tongji Univ., 4800 Cao’an Rd., Shanghai 201804, China (corresponding author).
3. Ph.D. Student, Key Laboratory of Road and Traffic Engineering of the Ministry of Education, College of Transportation Engineering, Tongji Univ., 4800 Cao’an Rd., Shanghai 201804, China.