1. School of Civil and Transportation Engineering, Beijing University of Civil Engineering and Architecture, 1 Zhanlanguan Rd., Beijing 100044, China
2. Beijing Urban Transportation Infrastructure Engineering Technology Research Center, 1 Zhanlanguan Rd., Beijing 100044, China (Corresponding author), e-mail: caacxuying@126.com, https://orcid.org/0000-0001-8635-4931
3. Beijing Collaborative Innovation Center for Metropolitan Transportation, 1 Zhanlanguan Rd., Beijing 100044, China
4. Beijing Collaborative Innovation Center for Energy-Saving and Emission-Reduction, 1 Zhanlanguan Rd., Beijing 100044, China