1. Faculty of Civil Engineering, Zhejiang University of Technology, Hangzhou, People’s Republic of China
2. The Key Laboratory of Road and Traffic Engineering, Ministry of Education, Tongji University, Shanghai, People’s Republic of China
3. Zhejiang Development & Planning Institute, Hangzhou, People’s Republic of China
4. Department of Civil and Environmental Engineering, The Hong Kong Polytechnic, University, Hung Hom, Hong Kong