1. School of Automotive and Transportation Engineering, Hefei University of Technology, Hefei, China
2. Buildings and Transportation Science Division, Oak Ridge National Laboratory, Knoxville, TN, USA
3. College of Transportation Engineering, Tongji University, Shanghai, China
4. Jiangsu Key Laboratory of Urban ITS, Jiangsu Province Collaborative Innovation Center of Modern Urban Traffic Technologies, School of Transportation, Southeast University, Nanjing, China
5. College of Automobile and Traffic Engineering, Nanjing Forestry University, Nanjing, China