Funding for this research was provided by:
Major Science and Technology Specific Program of Zhejiang Province (2016C02055-6)
the National Key Research and Development Program of China (2018YFD0900606)
National Natural Science Foundation of China (31072208)
Center for iInfrastructure, Sustainable Transportation and Urban Planning (BE2018335)
Article History
Received: 9 November 2018
Revised: 18 February 2019
Accepted: 18 February 2019
First Online: 25 April 2019