1. Graduate Research Assistant, Dept. of Civil Engineering, Boise State Univ., Boise, ID 83725-2060. ORCID: .
2. Professor, School of Transportation, Southeast Univ., Nanjing 211189, PR China.
3. Associate Professor, Dept. of Civil Engineering, Boise State Univ., 1910 University Dr., Boise, ID 83725-2060 (corresponding author). ORCID: .