1. School of Transportation and Logistics, Southwest Jiaotong University, Chengdu, People’s Republic of China
2. The Second Research Institute of CAAC, Chengdu, People’s Republic of China
3. National Engineering Laboratory of Integrated Transportation Big Data Application Technology, Southwest Jiaotong University, Chengdu, People’s Republic of China
4. National United Engineering Laboratory of Integrated and Intelligent Transportation, Southwest Jiaotong University, Chengdu, China