1. Key Laboratory of Transport Industry of Big Data Application Technologies for Comprehensive Transport, Ministry of Transport, Beijing Jiaotong University, Beijing, China;
2. Institute of Transport Studies, Department of Civil Engineering, Monash University, Clayton, VIC, Australia;
3. Civil and Environmental Engineering Department, Kongju National University, Cheonan City, South Korea;
4. Department of Transportation Systems Engineering, Ajou University, Suwon, Korea