1. Research Assistant, College of Transportation Engineering, Chang’an Univ., Xi’an, Shaanxi Province 710064, China. ORCID: .
2. Associate Professor, College of Transportation Engineering, Chang’an Univ., Xi’an, Shaanxi Province 710064, China (corresponding author).
3. Assistant Professor, College of Transportation Engineering, Chang’an Univ., Xi’an, Shaanxi Province 710064, China.