1. School of Transportation and Logistics, Southwest Jiaotong University, Chengdu Sichuan, People's Republic of China
2. Department of Civil Engineering, The University of Hong Kong, Pok Fu Lam, Hong Kong
3. National United Engineering Laboratory of Integrated and Intelligent Transportation and National Engineering Laboratory of Integrated Transportation Big Data Application Technology, Southwest Jiaotong University, Chengdu, Sichuan, People's Republic of China
4. School of Traffic and Transportation, Beijing Jiaotong University, Beijing 100044, People's Republic of China
5. Department of Architecture and Civil Engineering, City University of Hong Kong, Kowloon Tong, Hong Kong