[1]School of Transportation and Logistics, Southwest Jiaotong University, Chengdu 610031, China;
[2]Sichuan Province Key Laboratory of Comprehensive Transportation, Chengdu 610031, China;
[3]College of Automobile, Chang'an University, Xi'an 710064, China;
[4]John A. Reif Jr. Department of Civil and Environmental Engineering,New Jersey Institute of Technology, Newark 07102-1982,.,USA;
[5]Mechanical & Industrial Engineering, New Jersey Institute of Technology, Newark 07102-1982, USA;