A qualitative exploration of the mechanisms, pathways and public health outcomes of a city centre 20mph speed limit intervention: The case of Belfast, United Kingdom

Claire Cleland, Graham Baker, Kieran Turner, Ruth Jepson, Frank Kee, Karen Milton, Michael P. Kelly, Glenna Nightingale, Ruth F. Hunter

Research output: Contribution to journalArticlepeer-review

Abstract

Twenty miles per hour (mph) speed limits can impact the health of the public (e.g., road safety, active travel). However, a better understanding of how individuals experience 20mph limits is required, to ensure interventions are cognisant of perceptions and potential un/intended outcomes. Focus groups (n =9, 60 participants) to explore the Belfast 20mph intervention highlighted divergent perspectives and experiences including: 12 mechanisms (e.g., limited awareness), 15 pathways (e.g., reduced driving speed→improved liveability) and 10 public health outcomes (e.g., increased cyclist safety). Future interventions should consider un/intended out-comes and implement strategies to enhance effectiveness and mitigate harms (e.g., through training, enforcement).
Original languageEnglish
Article number102627
JournalHealth and Place
Volume70
Early online date20 Jul 2021
DOIs
Publication statusPublished - 21 Jul 2021

Keywords

  • 20mph speed limit (30km/h)
  • Focus groups
  • Complex intervention
  • Pathways
  • Mechanisms

ASJC Scopus subject areas

  • Public Health, Environmental and Occupational Health
  • Geography, Planning and Development

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