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Cirkulationsplatser - utformning och funktion: Svenska och utländska rekommendationer och utformningsregler jämte analys och kommentarer
Swedish National Road and Transport Research Institute.
Swedish National Road and Transport Research Institute.
2002 (Swedish)Report (Other academic)
Abstract [en]

This literature review aims to survey Swedish and foreign design solutions to meet mainly speed and accessibility requirements of roundabouts and to see if foreign experiences are relevant for Swedish conditions. Great importance has also been given to studying to what extent there are "functional categories" of roundabouts. The survey shows that lower speed and single lane in roundabouts improve traffic safety. Furthermore that there are good possibilities to control speed through design e.g. using narrow, radial entries and exits with small entry radius, entry and exit deflection to the left, design for an entry path curvature with small radius and traffic island. The survey also shows that give way regulations between vulnerable road users and motor vehicles in Sweden can be made clearer. The idea of dividing roundabouts and the entire traffic system into distinct "functional categories" is to improve traffic safety by decreasing the risk of the road user to misunderstand the situation. To create good categories of roundabouts it ought to be investigated what is needed and how it can be mediated to the road user what function category roundabout he is in. Several countries have, just as Sweden, a not very pronounced category classification of roundabouts.

Place, publisher, year, edition, pages
Linköping: Statens väg- och transportforskningsinstitut, 2002. , p. 67
Series
VTI meddelande, ISSN 0347-6049 ; 895
Keywords [en]
Swedish, Sweden, Roundabout, Speed, Accessibility, Traffic lane, Safety, Geometric design, Road user, Recommendations
Research subject
80 Road: Traffic safety and accidents, 82 Road: Geometric design and traffic safety; 30 Road: Highway design, 31 Road: Geometric design
Identifiers
URN: urn:nbn:se:vti:diva-4884OAI: oai:DiVA.org:vti-4884DiVA, id: diva2:673713
Available from: 2013-12-03 Created: 2013-12-03 Last updated: 2025-01-17Bibliographically approved

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Type fulltextMimetype application/pdf

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Herland, LisaHelmers, Gabriel

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CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • 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