1. School of Transportation Science and Engineering, Beijing Key Laboratory for Cooperative, Vehicle Infrastructure Systems and Safety Control, Beijing University of Aeronautics and Astronautics, Beijing, People's Republic of China
2. Institut Lumière Matière, CNRS & Université Claude Bernard Lyon, Villeurbanne, France
3. Department of Transportation Engineering, University of Seoul, Seoul, Republic of Korea
4. Department of Transport and Planning, Delft University of Technology, Delft, Netherlands
5. Department of Civil and Environmental Engineering, Utah State University, Logan, UT, USA