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Could adherence and road geometry be used to identify the areas of risk?
CETE of Lyon, France.
2001 (English)In: Proceedings of the conference Traffic Safety on Three Continents: International conference in Moscow, Russia, 19-21 September, 2001 / [ed] Asp, Kenneth, Linköping: Statens väg- och transportforskningsinstitut, 2001, Vol. 18A:2, 12- p.Conference paper, (Other academic)
Abstract [en]

Although road traffic accidents rarely have a single cause, if we take into account the relative amounts of time pavements are wet rather than dry, twice the proportion of accidents occur on wet pavements. This paper uses a number of case studies to attempt to assess if adherence and road geometry could explain the increased risk during wet weather. In recent years, the link between pavement surface characteristics and accident risk on wet pavements has been demonstrated by a number of authors from different parts of the world. The analysis conducted in the studies described in this paper confirms this link, without claiming to measure in absolute terms the effect on road safety of the factor considered (friction, texture or layout). Nevertheless, comparisons between case studies on routes with very different layouts and driving conditions show that: 1) friction and texture characteristics have the same type of effects on the accident rate on wet pavement, namely - a) the accident rate tends to increase when the sideway force coefficient or the macrotexture diminishes, b) the change in the accident rate is not steady, but becomes much less below certain values; 2) the curvature radius of the bends, on difficult road layouts, is an important factor of influence on the accident rate, and on the severity of these accidents.

Place, publisher, year, edition, pages
Linköping: Statens väg- och transportforskningsinstitut, 2001. Vol. 18A:2, 12- p.
Series
VTI konferens, ISSN 1104-7267 ; 18A:2
Keyword [en]
Geometric design, Wet road, Risk, Friction, Surface texture, Curvature, Accident rate, Severity, Accident, France
National Category
Infrastructure Engineering
Research subject
80 Road: Traffic safety and accidents; 30 Road: Highway design, 33 Road: Surfacing
Identifiers
URN: urn:nbn:se:vti:diva-5073OAI: oai:DiVA.org:vti-5073DiVA: diva2:673903
Conference
Traffic Safety on Three Continents: International conference in Moscow, Russia, 19-21 September, 2001
Available from: 2013-12-03 Created: 2013-12-03 Last updated: 2015-09-28Bibliographically approved

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http://vti.diva-portal.org/smash/get/diva2:673699/FULLTEXT04.pdf
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CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf