1. Ph.D. Student, Jiangsu Key Laboratory of Urban ITS, Southeast Univ., Nanjing 211189, China; Jiangsu Province Collaborative Innovation Center of Modern Urban Traffic Technologies, Southeast Univ., Nanjing 211189, China; School of Transportation, Southeast Univ., Nanjing 211189, China (corresponding author).
2. Professor, Jiangsu Key Laboratory of Urban ITS, Southeast Univ., Nanjing 211189, China; Jiangsu Province Collaborative Innovation Center of Modern Urban Traffic Technologies, Southeast Univ., Nanjing 211189, China; School of Transportation, Southeast Univ., Nanjing 211189, China.