1. Department of Traffic Engineering, University of Shanghai for Science and Technology, Shanghai, China
2. Department of Civil and Environmental Engineering, The Hong Kong Polytechnic University, Kowloon, Hong Kong, China
3. Department of Civil and Environmental Engineering, University of Wisconsin–Madison, Madison, WI, USA
4. Future Transport Research Center of Amap, AutoNavi Software Co, Beijing, China
5. Key Laboratory of Road and Traffic Engineering of the Ministry of Education, Tongji University, Shanghai, China