1. Associate Professor, School of Transportation, Jilin Univ., Changchun 130022, China.
2. Professor, Jiangsu Key Laboratory of Urban ITS, Jiangsu Province Collaborative Innovation Center of Modern Urban Traffic Technologies, School of Transportation, Southeast Univ., Nanjing 211189, China (corresponding author).
3. Undergraduate Student, School of Transportation, Jilin Univ., Changchun 130022, China.