Do speed cameras reduce road traffic collisions?

• Daniel J. Graham ,

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

  * E-mail: d.j.graham@imperial.ac.uk

  Affiliation Imperial College London, London, United Kingdom

  http://orcid.org/0000-0002-6971-8737

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• Cian Naik,

  Roles Formal analysis, Investigation, Methodology

  Affiliation University of Oxford, Oxford, United Kingdom

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• Emma J. McCoy,

  Roles Formal analysis, Methodology

  Affiliation Imperial College London, London, United Kingdom

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• Haojie Li

  Roles Data curation, Formal analysis

  Affiliation Southeast University, Nanjing, China

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