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The effect of different delineator post configurations on driver speed in night-time traffic: A driving simulator study
Linköping University, Department of Computer and Information Science. Linköping University, Faculty of Arts and Sciences. Swedish National Road and Transport Research Institute (VTI), Linköping, Sweden.
Swedish National Road and Transport Research Institute (VTI), Linköping, Sweden.
Swedish National Road and Transport Research Institute (VTI), Linköping, Sweden.
Linköping University, Department of Computer and Information Science, Human-Centered systems. Linköping University, Faculty of Arts and Sciences.
2014 (English)In: Accident Analysis and Prevention, ISSN 0001-4575, E-ISSN 1879-2057, Vol. 72, 341-350 p.Article in journal (Refereed) Published
Abstract [en]

The aim of the study was to investigate how different delineator post configurations affect driver speed in night-time traffic. In addition, the potential speed effect of introducing a secondary task was investigated. The study was carried out in a car simulator on a road stretch including straight road sections as well as curves with different radii. Fourteen drivers participated in the study and the results show that absence of delineator posts leads to reduced speed. However, provided that there are delineator posts continuously present along the road, the overall driver speed is basically the same, regardless of the spacing between the delineator posts. The results also imply that to reduce driver speed in curves with small radius, using more compact spacing of posts in these curves as compared to in curves with a larger radius, could be a potential strategy. Additionally, the speed reducing effect of a secondary task was only prevailing where the task was initiated.

Place, publisher, year, edition, pages
Elsevier, 2014. Vol. 72, 341-350 p.
Keyword [en]
Delineator posts; Simulator study; Night-time traffic; Distraction; Driver speed
National Category
Computer and Information Science Other Social Sciences
Identifiers
URN: urn:nbn:se:liu:diva-112463DOI: 10.1016/j.aap.2014.07.023ISI: 000343843700035PubMedID: 25118126OAI: oai:DiVA.org:liu-112463DiVA: diva2:766853
Available from: 2014-11-28 Created: 2014-11-28 Last updated: 2017-12-05Bibliographically approved

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Nygårdhs, SaraDahlbäck, Nils

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Nygårdhs, SaraDahlbäck, Nils
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  • de-DE
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Output format
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