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The effect of different delineator post configurations on driver speed in night-time traffic: A driving simulator study
Swedish National Road and Transport Research Institute, Traffic and road users, Human-vehicle-transport system interaction.ORCID iD: 0000-0001-5769-7193
Swedish National Road and Transport Research Institute, Traffic and road users, Human-vehicle-transport system interaction.
Swedish National Road and Transport Research Institute, Traffic and road users, Human-vehicle-transport system interaction.
Swedish National Road and Transport Research Institute, Traffic and road users, Human-vehicle-transport system interaction.
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]
Marker post, Simulator (driving), Night, Distraction, Driver, Speed
National Category
Infrastructure Engineering
Research subject
80 Road: Traffic safety and accidents, 841 Road: Road user behaviour; 30 Road: Highway design, 34 Road: Safety devices
Identifiers
URN: urn:nbn:se:vti:diva-6954DOI: 10.1016/j.aap.2014.07.023OAI: oai:DiVA.org:vti-6954DiVA: diva2:738476
Available from: 2014-08-18 Created: 2014-08-18 Last updated: 2017-08-01Bibliographically approved

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Nygårdhs, SaraLundkvist, Sven-OlofAndersson, JanDahlbäck, Nils
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