Exploring regional differences in cyclist safety at roundabouts: A comparative study between the UK (based on Northumbria data) and Belgium

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dc.authorid0000-0003-3888-3913en_US
dc.contributor.authorAkgün Tanbay, Nurten
dc.contributor.authorDaniels, Stijn
dc.contributor.authorBell, Margaret Carol
dc.contributor.authorNuyttens, Nina
dc.contributor.authorThorpe, Neil
dc.contributor.authorDissanayake, Dilum
dc.date.accessioned2021-03-20T20:09:11Z
dc.date.available2021-03-20T20:09:11Z
dc.date.issued2021
dc.departmentBTÜ, Mühendislik ve Doğa Bilimleri Fakültesi, İnşaat Mühendisliği Bölümüen_US
dc.description.abstractThe level of safety for cyclists at roundabouts may vary according to national differences not only in the design itself but also sociodemographic, cyclist and driver behaviour as well as environmental factors. This paper investigates the national influence on cyclist casualty severity at roundabouts by comparing the United Kingdom (using Northumbria as a representative sample) and Belgium. The data included speed limits, socio-demographic characteristics, environmental conditions and driver/cyclist behaviour-related contributory factors. First, a logistic regression analysis for the UK data, including 864 cyclist casualties, was carried out. Increasing the speed limit by ten units (for example 30mph to 40mph) increased the probability of a cyclist being killed or seriously injured by 10%. A cyclist casualty was more than three times more likely to be killed or seriously injured (the odds ratio is 3.02) where sudden braking was recorded as a contributory factor. Second, a separate logistic regression analysis for Belgium was conducted. Cyclists ignoring the priority at roundabouts increased the probability of a fatal or seriously injured collisions (the odds ratio is 2.71). Comparing the individual analysis for both countries, the influence of cyclist age was consistent. Each one-year increase in cyclist age increases chance of being killed or seriously injured as opposed to not being killed or seriously injured by 2 % (odds ratio is 1.02) in both UK and Belgium. A final comparative analysis was applied considering proxy variables for both countries. Three-way chi-square tests of independence showed that all non-behavioural variables (i.e. sociodemographic characteristics, speed limit, and environmental conditions) were found to be statistically different between UK and Belgium for both slight and killed and seriously injured casualties. This suggests that driver/cyclist interaction and behaviour in the two countries is generally similar whilst speed limits, the sociodemographic characteristics of cyclists and environmental conditions are specific for each country. The third part of the logistic regression analysis suggested that the country residual was highly statistically significant. This indicates that there are some statistically significant differences with respect to the characteristics of the two regional datasets used in the analysis.en_US
dc.description.sponsorshipMinistry of National Education, The Republic of Turkeyen_US
dc.description.sponsorshipAccident data were obtained from CIRTAS-Gateshead Council and VIAS Institute Belgium. This study was supported by the Ministry of National Education, The Republic of Turkey.en_US
dc.identifier.doi10.1016/j.aap.2020.105902en_US
dc.identifier.issn0001-4575
dc.identifier.issn1879-2057
dc.identifier.pmid33307478en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.urihttp://doi.org/10.1016/j.aap.2020.105902
dc.identifier.urihttps://hdl.handle.net/20.500.12885/291
dc.identifier.volume150en_US
dc.identifier.wosWOS:000618530200003en_US
dc.identifier.wosqualityQ1en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.indekslendigikaynakPubMeden_US
dc.institutionauthorAkgün Tanbay, Nurten
dc.language.isoenen_US
dc.publisherPergamon-Elsevier Science Ltden_US
dc.relation.ispartofAccident Analysis And Preventionen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectCyclist safetyen_US
dc.subjectRoundabouten_US
dc.subjectContributory factorsen_US
dc.subjectThree-way chi-squareen_US
dc.subjectMultilevel logistic regressionen_US
dc.titleExploring regional differences in cyclist safety at roundabouts: A comparative study between the UK (based on Northumbria data) and Belgiumen_US
dc.typeArticleen_US

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