1. Professor, Key Laboratory of Road and Traffic Engineering of Ministry of Education, Tongji Univ., 4800 Cao’an Hwy., Shanghai 201804, China.
2. Graduate Research Assistant, Key Laboratory of Road and Traffic Engineering of Ministry of Education, Tongji Univ., 4800 Cao’an Hwy., Shanghai 201804, China.
3. Professor, Key Laboratory of Road and Traffic Engineering of Ministry of Education, Tongji Univ., 4800 Cao’an Hwy., Shanghai 201804, China (corresponding author).
4. Senior Engineer, Beijing Tonghua Highway Maintenance LLC, # 120, Lifangting Bldg. 3, Zhongguancun West District, Beijing 100080, China.