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Using biological motion to enhance the conspicuity of roadway workers

Wood, Joanne M., Tyrrell, Richard A. , Marszalek, Ralph P., Lacherez, Philippe F., Chaparro, Alex, & Britt, Thomas (2011) Using biological motion to enhance the conspicuity of roadway workers. Accident Analysis and Prevention, 43(3), pp. 1036-1041.

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Abstract

This study examined whether the conspicuity of road workers at night can be enhanced by distributing retroreflective strips across the body to present a pattern of biological motion (biomotion). Twenty visually normal drivers (mean age = 40.3 years) participated in an experiment conducted at two open-road work sites (one suburban and one freeway) at night-time. At each site, four road workers walked in place wearing a standard road worker night vest either (a) alone, (b) with additional retroreflective strips on thighs, (c) with additional retroreflective strips on ankles and knees, or (d) with additional retroreflective strips on eight moveable joints (full biomotion). Participants, seated in stationary vehicles at three different distances (80 m, 160 m, 240 m), rated the relative conspicuity of the four road workers. Road worker conspicuity was maximized by the full biomotion configuration at all distances and at both sites. The addition of ankle and knee markings also provided significant benefits relative to the standard vest alone. The effects of clothing configuration were more evident at the freeway site and at shorter distances. Overall, the full biomotion configuration was ranked to be most conspicuous and the vest least conspicuous. These data provide the first evidence that biomotion effectively enhances conspicuity of road workers at open-road work sites.

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ID Code: 39655
Item Type: Journal Article
Keywords: Visibility, Clothing, Road workers, Biomotion
DOI: 10.1016/j.aap.2010.12.002
ISSN: 0001-4575
Subjects: Australian and New Zealand Standard Research Classification > MEDICAL AND HEALTH SCIENCES (110000) > OPTOMETRY AND OPHTHALMOLOGY (111300)
Divisions: Current > QUT Faculties and Divisions > Faculty of Health
Current > Institutes > Institute of Health and Biomedical Innovation
Current > Schools > School of Optometry & Vision Science
Copyright Owner: Copyright 2010 Elsevier
Copyright Statement: NOTICE: this is the author’s version of a work that was accepted for publication in Accident Analysis & Prevention. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Accident Analysis & Prevention, [Volume 43, Issue 3, (May 2011)] DOI: 10.1016/j.aap.2010.12.002
Deposited On: 28 Jan 2011 07:32
Last Modified: 04 Mar 2014 16:06

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