Affiliation: | 1. Department of Civil and Environmental Engineering, The University of Tennessee, Knoxville, TN 37996, United States;2. Department of Statistics, Operations & Management Science, The University of Tennessee, Knoxville, TN 37996, United States;3. MOE Key Laboratory for Transportation Complex Systems Theory and Technology, School of Traffic & Transportation, Beijing Jiaotong University, Beijing 100044, PR China;4. Chang’an University, Xi’an, Shanxi, PR China |