Journal article
Sleep-related vehicle crashes on low speed roads
Accident Analysis and Prevention, Vol.99(Part A), pp.279-286
2017
Abstract
Background Very little is known about the characteristics of sleep related (SR) crashes occurring on low speed roads compared with current understanding of the role of sleep in crashes occurring on high speed roads e.g. motorways. To address this gap, analyses were undertaken to identify the differences and similarities between (1) SR crashes occurring on roads with low (≤60 km/h) and high (≥100 km/h) speed limits, and (2) SR crashes and not-SR crashes occurring on roads with low speed limits. Method Police reports of all crashes occurring on low and high speed roads over a ten year period between 2000 and 2009 were examined for Queensland, Australia. Attending police officers identified all crash attributes, including 'fatigue/fell asleep', which indicates that the police believe the crash to have a causal factor relating to falling asleep, sleepiness due to sleep loss, time of day, or fatigue. Driver or rider involvement in crashes was classified as SR or not-SR. All crash-associated variables were compared using Chi-square tests (Cramer's V = effect size). A series of logistic regression was performed, with driver and crash characteristics as predictors of crash category. A conservative alpha level of 0.001 determined statistical significance. Results There were 440,855 drivers or riders involved in a crash during this time; 6923 (1.6%) were attributed as SR. SR crashes on low speed roads have similar characteristics to those on high speed roads with young (16-24y) males consistently over represented. SR crashes on low speed roads are noticeably different to not-SR crashes in the same speed zone in that male and young novice drivers are over represented and outcomes are more severe. Of all the SR crashes identified, 41% occurred on low speed roads. Conclusion SR crashes are not confined to high speed roads. Low speed SR crashes warrant specific investigation because they occur in densely populated areas, exposing a greater number of people to risk and have more severe outcomes than not-SR crashes on the same low speed roads.
Details
- Title
- Sleep-related vehicle crashes on low speed roads
- Authors
- Ashleigh J Filtness (Author) - Queensland University of TechnologyKerry Ann Armstrong (Author) - Queensland University of TechnologyAngela Watson (Author) - Queensland University of TechnologySimon S Smith (Author) - Queensland University of Technology
- Publication details
- Accident Analysis and Prevention, Vol.99(Part A), pp.279-286
- Publisher
- Elsevier Ltd.
- Date published
- 2017
- DOI
- 10.1016/j.aap.2016.12.002
- ISSN
- 0001-4575
- Copyright note
- Copyright ©. This work is made available according to the conditions of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0) licence. Full details of this licence are available at: https://creativecommons.org/licenses/by-nc-nd/4.0/
- Organisation Unit
- Road Safety Research Collaboration; School of Social Sciences - Legacy; University of the Sunshine Coast, Queensland; School of Law and Society
- Language
- English
- Record Identifier
- 99450714102621
- Output Type
- Journal article
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- Domestic collaboration
- International collaboration
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- Ergonomics
- Public, Environmental & Occupational Health
- Social Sciences, Interdisciplinary
- Transportation
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