1. The Key Laboratory of Road and Traffic Engineering, Ministry of Education, College of Transportation Engineering, Tongji University, 4800 Caoan Rd., Shanghai 201804, China, https://orcid.org/0000-0001-8615-5860
2. Department of Civil and Environmental Engineering, University of California Pavement Research Center, University of California, Davis, 1 Shield Ave., Davis, CA 95616, USA, https://orcid.org/0000-0002-8924-6212 (J.T.H.), https://orcid.org/000-0003-0648-693X (L.J.), https://orcid.org/0000-0002-8028-1935 (M.E.)
3. The Key Laboratory of Road and Traffic Engineering, Ministry of Education, College of Transportation Engineering, Tongji University, 4800 Caoan Rd., Shanghai 201804, China (Corresponding author), e-mail: hli@tongji.edu.cn, http://orcid.org/0000-0001-7115-1373