1. Ph.D. Candidate, School of Transportation, Southeast Univ., Nanjing 210096, China (corresponding author). ORCID: .
2. Professor, School of Transportation, Southeast Univ., Nanjing 210096, China.
3. Dept. of Computer Science, Univ. of Victoria, Victoria, BC, Canada V8W3P6.
4. Professor, Dept. of Civil and Architectural Engineering and Construction Management, Univ. of Cincinnati, Cincinnati, 45221 OH.