About the Authors

Zhongming He

Roles Conceptualization, Funding acquisition, Methodology, Supervision, Writing – review & editing

hezhongming45@126.com

Affiliation School of Traffic and Transportation Engineering, Changsha University of Science and Technology, Changsha, Hunan, China

Panpan Wang

Roles Conceptualization, Data curation, Investigation, Methodology, Visualization, Writing – original draft, Writing – review & editing

Affiliation School of Traffic and Transportation Engineering, Changsha University of Science and Technology, Changsha, Hunan, China

Weidi Gong

Roles Data curation, Investigation, Writing – original draft

Affiliation Guangxi Xinfazhan Communication Group Co., Ltd, Nanning, Guangxi, China

Competing Interests

The authors have declared that no competing interests exist.