1. School of Economics and Management, Xi’an Technological University, Xi’an, China
2. Jiangsu Key Laboratory of Urban ITS, School of Transportation, Southeast University, Nanjing, China
3. College of Transportation Engineering, Chang’an University, Xi’an, China
4. Key Laboratory of Transport Industry of Management, Control and Cycle Repair Technology for Traffic Network Facilities in Ecological Security Barrier Area, Xi’an, China