1. School of Transportation & Logistics, Southwest Jiaotong University, Chengdu, SC, China
2. National United Engineering Laboratory of Integrated and Intelligent Transportation, Southwest Jiaotong University, Chengdu, SC, China
3. National Engineering Laboratory of Integrated Transportation Big Data Application, Southwest Jiaotong University, Chengdu, SC, China
4. Lanzhou Subway Operation Branch Company, Lanzhou Rail Transit Co., Ltd, Lanzhou, GS, China
5. Department of Civil & Environmental Engineering, University of Waterloo, Waterloo, ON, Canada
6. Department of Electrical & Computer Engineering, University of Waterloo, Waterloo, ON, Canada