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Do repeated rumble strip hits improve driver alertness?
Queensland University of Technology, Australia; Stockholm University, Sweden.
Stockholm University, Sweden; Karolinska Institute, Sweden.
Stockholm University, Sweden; Radboud University of Nijmegen, Netherlands.
Linköping University, Department of Medical and Health Sciences, Division of Community Medicine. Linköping University, Faculty of Medicine and Health Sciences. Swedish Rd and Transport Research Institute, Linkoping, Sweden.
2016 (English)In: Journal of Sleep Research, ISSN 0962-1105, E-ISSN 1365-2869, Vol. 25, no 2, 241-247 p.Article in journal (Refereed) PublishedText
Abstract [en]

Driving while sleepy is associated with increased crash risk. Rumble strips are designed to alert a sleepy or inattentive driver when they deviate outside their driving lane. The current study sought to examine the effects of repeated rumble strip hits on levels of physiological and subjective sleepiness as well as simulated driving performance. In total, 36 regular shift workers drove a high-fidelity moving base simulator on a simulated road with rumble strips installed at the shoulder and centre line after a working a full night shift. The results show that, on average, the first rumble strip occurred after 20min of driving, with subsequent hits occurring 10min later, with the last three occurring approximately every 5min thereafter. Specifically, it was found that the first rumble strip hit reduced physiological sleepiness; however, subsequent hits did not increase alertness. Moreover, the results also demonstrate that increased subjective sleepiness levels, via the Karolinska Sleepiness Scale, were associated with a greater probability of hitting a rumble strip. The present results suggest that sleepiness is very resilient to even strongly arousing stimuli, with physiological and subjective sleepiness increasing over the duration of the drive, despite the interference caused by rumble strips.

Place, publisher, year, edition, pages
WILEY-BLACKWELL , 2016. Vol. 25, no 2, 241-247 p.
Keyword [en]
arousal; audible edge lines; driving performance; physiological sleepiness; subjective sleepiness
National Category
Health Sciences
URN: urn:nbn:se:liu:diva-128755DOI: 10.1111/jsr.12359ISI: 000375102200014PubMedID: 26486849OAI: diva2:931929

Funding Agencies|Swedish National Road Administration; EU project SENSATION

Available from: 2016-05-31 Created: 2016-05-30 Last updated: 2016-05-31

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Anund, Anna
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Division of Community MedicineFaculty of Medicine and Health Sciences
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