The authors would like to offer thanks for the funding support by the National Key R&D Program of China (Grant No. 2018YFB1600100); the National Natural Science Foundation of China (Grant Nos. 51908072, 51778071, and 51808058); and support by Huxiang High-level Talents Gathering Project-Innovative Talents (Grant No. 2019RS1048). Also, the authors gratefully acknowledge the research support by the Transportation Northwest (TransNow) through the USDOT.