1. School of Transportation and Logistics, Southwest Jiaotong University, Chengdu, China
2. National Engineering Laboratory of Integrated Transportation Big Data Application Technology, Chengdu, China
3. National United Engineering Laboratory of Integrated and Intelligent Transportation, Southwest Jiaotong University, Chengdu, China
4. Dire Dawa Institute of Technology, Dire Dawa University, Ethiopia
5. China Huaxi Engineering Design & Construction Co. Ltd., Chengdu, Sichuan, China
6. School of Economics & Management, Southwest Jiaotong University, Chengdu, China
7. School of Transportation, Fujian University of Technology, Fuzhou, China
8. Civil Engineering Department, Addis Ababa Science & Technology University, Addis Ababa, Ethiopia