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Updated estimates of the relationship between speed and road safety at the aggregate and individual levels
Institute of Transport Economics.
Swedish National Road and Transport Research Institute, Traffic and road users, Traffic Safety and Traffic System.ORCID iD: 0000-0002-9164-9221
Rigspolitiet, Denmark.
SWOV Institute for Road Safety Research, Netherlands.
2019 (English)In: Accident Analysis and Prevention, ISSN 0001-4575, E-ISSN 1879-2057, Vol. 123, p. 114-122Article in journal (Refereed) Published
Abstract [en]

Recent studies of the relationship between the speed of traffic and road safety, stated as the number of fatalities and the number of injury accidents, are reviewed and their results synthesised by means of meta-analysis. All studies were based on data fully or partly for years after 2000. Previously proposed models of the relationship between the speed of traffic and road safety, including the Power Model and an Exponential Model, are supported. Summary estimates of coefficients show that the relationship between speed and road safety remains strong. The Power Model and the Exponential Model both fit the data very well. The relationship between speed and road safety is the same at the individual driver level as at the aggregate level referring to the mean speed of traffic.

Place, publisher, year, edition, pages
Elsevier Ltd , 2019. Vol. 123, p. 114-122
Keywords [en]
Speed, Accident rate, Risk, Injury, Fatality, Average speed, Mathematical model
National Category
Infrastructure Engineering
Research subject
80 Road: Traffic safety and accidents, 812 Road: Collation of accident statistics
Identifiers
URN: urn:nbn:se:vti:diva-13436DOI: 10.1016/j.aap.2018.11.014Scopus ID: 2-s2.0-85056884275OAI: oai:DiVA.org:vti-13436DiVA, id: diva2:1268543
Available from: 2018-12-06 Created: 2018-12-06 Last updated: 2019-03-14Bibliographically approved

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Vadeby, Anna

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  • apa
  • harvard1
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  • vancouver
  • Other style
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  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf