1. Ph.D. Candidate, School of Transportation, Southeast Univ., No. 2 Southeast University Rd., Nanjing 211189, PR China; Jiangsu Key Laboratory of Urban Intelligent Transportation System, Southeast Univ., No. 2 Southeast University Rd., Nanjing 211189, PR China; Jiangsu Province Collaborative Innovation Center of Modern Urban Traffic Technologies, Southeast Univ., No. 2 Southeast University Rd., Nanjing 211189, PR China.
2. Professor, School of Transportation, Southeast Univ., No. 2 Southeast University Rd., Nanjing 211189, PR China; Jiangsu Key Laboratory of Urban Intelligent Transportation System, Southeast Univ., No. 2 Southeast University Rd., Nanjing 211189, PR China; Jiangsu Province Collaborative Innovation Center of Modern Urban Traffic Technologies, Southeast Univ., 2 Sipailou, Nanjing 210096, PR China (corresponding author).
3. Master’s Student, School of Transportation, Southeast Univ., No. 2 Southeast University Rd., Nanjing 211189, PR China; Jiangsu Key Laboratory of Urban Intelligent Transportation System, Southeast Univ., No. 2 Southeast University Rd., Nanjing 211189, PR China; Jiangsu Province Collaborative Innovation Center of Modern Urban Traffic Technologies, Southeast Univ., No. 2 Southeast University Rd., Nanjing 211189, PR China.
4. Associate Professor, School of Transportation, Southeast Univ., No. 2 Southeast University Rd., Nanjing 211189, PR China; Jiangsu Key Laboratory of Urban Intelligent Transportation System, Southeast Univ., No. 2 Southeast University Rd., Nanjing 211189, PR China; Jiangsu Province Collaborative Innovation Center of Modern Urban Traffic Technologies, Southeast Univ., No. 2 Southeast University Rd., Nanjing 211189, PR China.