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Speed reduction effects over distance of animal-vehicle collision countermeasures - a driving simulator study
Swedish Natl Rd and Transport Res Inst VTI, SE-58195 Linkoping, Sweden; Calluna AB, Sweden; Jonkoping Univ, Sweden.
Swedish Natl Rd and Transport Res Inst VTI, SE-58195 Linkoping, Sweden; KMV Forum AB, Sweden; Lund Univ, Sweden.
Linköping University, Department of Biomedical Engineering, Physiological Measurements. Linköping University, Faculty of Science & Engineering. Swedish Natl Rd and Transport Res Inst VTI, SE-58195 Linkoping, Sweden.
2018 (English)In: European Transport Research Review, ISSN 1867-0717, E-ISSN 1866-8887, Vol. 10, no 2, article id 40Article in journal (Refereed) Published
Abstract [en]

PurposeThis study examined if speed reduction effects from animal-vehicle collision (AVC) countermeasures are merely local or do extend to a wider area, and what implications the results have on road planning practice regarding AVCs.MethodsTwenty-five drivers drove repeatedly on a 9-km long road stretch in a high-fidelity driving simulator. The development of vehicle speed in the surrounding of an automatic speed camera, a wildlife warning sign and a radio message, were investigated in a full factorial within-subject experiment. The factors wildlife fence (with/without) and forest (dense/open landscape) were also included.ResultsThe radio warning message had the largest influence on vehicle speed with a speed reduction of 8km/h that lasted beyond 1km and 2km after the implementation. Eighty-eight per cent of the drivers reported being made extra aware of AVC due to the radio message, which was also associated with stress, insecurity and unsafety. The warning sign reduced vehicle speed by 1.5km/h, but speed reductions were not significantly reduced 1km after the implementation. Only 8 % of the drivers felt insecure/unsafe after passing the wildlife warning sign, explaining its limited impact on speed. There were no main effects of the automatic speed camera on vehicle speed at longer distances after implementation.ConclusionsWe recommend that AVC countermeasures should be of various design, occur at various segments along the road, and preferably be adaptive and geo-localized to minimize habituation effects on drivers.

Place, publisher, year, edition, pages
SPRINGEROPEN , 2018. Vol. 10, no 2, article id 40
Keywords [en]
Traffic safety; Accidents; Countermeasures; Mitigation measures; AVC; Planning
National Category
Transport Systems and Logistics
Identifiers
URN: urn:nbn:se:liu:diva-151520DOI: 10.1186/s12544-018-0314-8ISI: 000443839700002OAI: oai:DiVA.org:liu-151520DiVA, id: diva2:1250600
Note

Funding Agencies|Viltolycksfonden; Algskadefondsforeningen; Swedish Environmental Protection Agency; Wildlife Management Fund [802-0224-09]

Available from: 2018-09-24 Created: 2018-09-24 Last updated: 2018-10-19

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