Evaluating the impacts of grades on vehicular speeds on interstate highways

• Xinqiang Chen,

  Roles Conceptualization, Data curation, Formal analysis, Funding acquisition, Investigation, Methodology, Software, Writing – original draft, Writing – review & editing

  Affiliations Merchant Marine College, Shanghai Maritime University, Shanghai, China, Department of Civil and Environmental Engineering, University of Washington, Seattle, United States of America

  http://orcid.org/0000-0001-8959-5108

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• Zhibin Li,

  Roles Conceptualization, Data curation, Formal analysis, Investigation, Methodology, Project administration, Resources, Software, Supervision, Validation, Writing – original draft, Writing – review & editing

  Affiliations Department of Civil and Environmental Engineering, University of Washington, Seattle, United States of America, School of Transportation, Southeast University, Nanjing, Jiangsu Province, China

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• Yinhai Wang ,

  Roles Conceptualization, Formal analysis, Funding acquisition, Project administration, Supervision, Validation, Writing – original draft, Writing – review & editing

  * E-mail: yinhai@uw.edu

  Affiliations Department of Civil and Environmental Engineering, University of Washington, Seattle, United States of America, Transportation Data Science Research Center, College of Transportation Engineering, Tongji University, Shanghai, China

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• Zhiyong Cui,

  Roles Data curation, Formal analysis, Investigation, Resources, Software, Validation, Writing – review & editing

  Affiliation Department of Civil and Environmental Engineering, University of Washington, Seattle, United States of America

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• Chaojian Shi,

  Roles Methodology, Supervision, Writing – review & editing

  Affiliation Merchant Marine College, Shanghai Maritime University, Shanghai, China

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• Huafeng Wu

  Roles Funding acquisition, Methodology, Supervision, Writing – original draft, Writing – review & editing

  Affiliation Merchant Marine College, Shanghai Maritime University, Shanghai, China

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