1. Institute of System Science, School of Traffic and Transportation, Beijing Jiaotong University, Beijing, People's Republic of China
2. Key Laboratory of Transport Industry of Big Data Application Technologies for Comprehensive Transport, Beijing Jiaotong University, Beijing, People's Republic of China
3. Beijing Key Laboratory of Traffic Engineering, Beijing University of Technology, Beijing, People's Republic of China
4. Guangdong Provincial Key Laboratory of Intelligent Transportation System, School of Intelligent Systems Engineering, Sun Yat-sen University, Guangzhou, People's Republic of China