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Article: Street Morphology And Severity Of Road Casualities: A 5-year Study Of Greater London

TitleStreet Morphology And Severity Of Road Casualities: A 5-year Study Of Greater London
Authors
KeywordsTraffic casualty severity
STATS19
urban design
morphometrics
multilevel
KSI
Issue Date2018
PublisherTaylor & Francis Ltd. The Journal's web site is located at http://www.tandf.co.uk/journals/titles/15568318.asp
Citation
International Journal of Sustainable Transportation, 2018, v. 12 n. 7, p. 510-525 How to Cite?
AbstractBuilt environment factors, especially street-scale design and traffic casualties, are intrinsically interlinked. Starting from Alker Tripp's seminal ideas about city design, street morphology, and accident risk, this article summarizes results from an increasingly sophisticated line of enquiry at the boundaries between transport geography, network modeling, urban geography, and planning. It goes on to specify what we believe to be the most comprehensive study yet, based on five years' worth of road casualty data from London; GIS data on street morphology and physical features captured at a street-link unit of analysis; socio-economics and other determinants of accidents; and individual data about casualty victims. We test hypotheses about links between urban morphology and casualty severity using multi-level models with individual victim attributes at level-one, street-link morphology attributes (various measure of network connectivity) at level-two, and neighborhood descriptors at level-three. Results indicate that street-level morphology and design (expressed in terms of betweenness, divergence ratio, and hull radius), together with traffic volume and physical features of streets are all significantly associated with odds of “Killed and Seriously Injured” (KSI) causality incidents. We find the strongest evidence yet recorded that London's 20-MPH speed-restricted residential zones reduce the incidence of KSI; while neighborhood-level factors such as population density, deprivation of living environment, and access to services are also significant predictors of KSI indicating that selective urban territorial enclosure can save lives.
Persistent Identifierhttp://hdl.handle.net/10722/242164
ISSN
2023 Impact Factor: 3.1
2023 SCImago Journal Rankings: 1.222
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorSarkar, C-
dc.contributor.authorWebster, CJ-
dc.contributor.authorKumari, S-
dc.date.accessioned2017-07-24T01:36:14Z-
dc.date.available2017-07-24T01:36:14Z-
dc.date.issued2018-
dc.identifier.citationInternational Journal of Sustainable Transportation, 2018, v. 12 n. 7, p. 510-525-
dc.identifier.issn1556-8318-
dc.identifier.urihttp://hdl.handle.net/10722/242164-
dc.description.abstractBuilt environment factors, especially street-scale design and traffic casualties, are intrinsically interlinked. Starting from Alker Tripp's seminal ideas about city design, street morphology, and accident risk, this article summarizes results from an increasingly sophisticated line of enquiry at the boundaries between transport geography, network modeling, urban geography, and planning. It goes on to specify what we believe to be the most comprehensive study yet, based on five years' worth of road casualty data from London; GIS data on street morphology and physical features captured at a street-link unit of analysis; socio-economics and other determinants of accidents; and individual data about casualty victims. We test hypotheses about links between urban morphology and casualty severity using multi-level models with individual victim attributes at level-one, street-link morphology attributes (various measure of network connectivity) at level-two, and neighborhood descriptors at level-three. Results indicate that street-level morphology and design (expressed in terms of betweenness, divergence ratio, and hull radius), together with traffic volume and physical features of streets are all significantly associated with odds of “Killed and Seriously Injured” (KSI) causality incidents. We find the strongest evidence yet recorded that London's 20-MPH speed-restricted residential zones reduce the incidence of KSI; while neighborhood-level factors such as population density, deprivation of living environment, and access to services are also significant predictors of KSI indicating that selective urban territorial enclosure can save lives.-
dc.languageeng-
dc.publisherTaylor & Francis Ltd. The Journal's web site is located at http://www.tandf.co.uk/journals/titles/15568318.asp-
dc.relation.ispartofInternational Journal of Sustainable Transportation-
dc.rightsThis is an electronic version of an article published in [include the complete citation information for the final version of the article as published in the print edition of the journal]. [JOURNAL TITLE] is available online at: http://www.informaworld.com/smpp/ with the open URL of your article.-
dc.subjectTraffic casualty severity-
dc.subjectSTATS19-
dc.subjecturban design-
dc.subjectmorphometrics-
dc.subjectmultilevel-
dc.subjectKSI-
dc.titleStreet Morphology And Severity Of Road Casualities: A 5-year Study Of Greater London-
dc.typeArticle-
dc.identifier.emailSarkar, C: csarkar@hku.hk-
dc.identifier.emailWebster, CJ: cwebster@hku.hk-
dc.identifier.emailKumari, S: sarikak@hku.hk-
dc.identifier.authoritySarkar, C=rp01980-
dc.identifier.authorityWebster, CJ=rp01747-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1080/15568318.2017.1402972-
dc.identifier.scopuseid_2-s2.0-85038005003-
dc.identifier.hkuros273363-
dc.identifier.hkuros284059-
dc.identifier.volume12-
dc.identifier.issue7-
dc.identifier.spage510-
dc.identifier.epage525-
dc.identifier.isiWOS:000440807900004-
dc.publisher.placeUnited Kingdom-
dc.identifier.issnl1556-8318-

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