Affiliation: | 1. Civil Aviation College, Nanjing University of Aeronautics and Astronautics, Nanjing, China;2. Jiangsu Key Laboratory of Urban ITS, Jiangsu Collaborative Innovation Center of Modern Urban Traffic Technologies, Southeast University, Nanjing, China;3. Safe Transportation Research and Education Center, Institute of Transportation Studies, UC Berkeley, Berkeley, CA, U.S.A. |