1. Research Fellow, Shandong Key Laboratory of Highway Technology and Safety Assessment, Shandong Hi-Speed Group Co., Ltd., Jinan 250098, China.
2. Master’s Candidate, College of Transportation Engineering, Chang’an Univ., Xi’an, Shaanxi 710064, China.
3. Ph.D. Candidate, Key Laboratory of Road and Traffic Engineering of Ministry of Education, Tongji Univ., Shanghai 201804, China.
4. Research Fellow, Shandong Key Laboratory of Highway Technology and Safety Assessment, Shandong Hi-Speed Engineering Test Co., Ltd., Jinan 250002, China.
5. Professor, College of Transportation Engineering, Chang’an Univ., Xi’an, Shaanxi 710064, China (corresponding author).