1. Associate Professor, School of Automobile and Traffic Engineering, Wuhan Univ. of Science and Technology, 947 Heping Ave., Qingshan District, Wuhan, Hubei 430081, PR China (corresponding author). ORCID: .
2. Research Associate, Institute of Transportation Research and Education, North Carolina State Univ., Centennial Campus, Box 8601, Raleigh, NC 27695-8601. ORCID: .
3. Professor, Dept. of Civil and Environmental Engineering, Univ. of Nevada, Reno, 1664 N. Virginia St., MS 258, Reno, NV 89557.
4. Research Associate, Dept. of Civil and Environmental Engineering, Univ. of Nevada, Reno, 1664 N. Virginia St., MS 258, Reno, NV 89557.