1. PhD student, Jiangsu Key Laboratory of Urban ITS, Southeast University, Nanjing, P. R. China
2. Jiangsu Province Collaborative Innovation Center of Modern Urban Traffic Technologies, Southeast University, Nanjing, P. R. China
3. School of Transportation, Southeast University, Nanjing, P. R. China (corresponding author: )
4. Professor, Jiangsu Key Laboratory of Urban ITS, Southeast University, Nanjing, P. R. China
5. School of Transportation, Southeast University, Nanjing, P. R. China