1. School of Transportation, Southeast University, Nanjing, Jiangsu, China
2. School of Transportation and Logistics, Southwest Jiaotong University, Chengdu, Sichuan, China
3. MOT Key Laboratory of Transport Industry of Big Data Application Technologies for Comprehensive Transport, Beijing Jiaotong University, Beijing, China
4. Zachry Department of Civil Environmental Engineering, Texas A&M University, College Station, TX, USA
5. Department of Civil, Geological, and Mining Engineering, École Polytechnique de Montréal, Canada