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Article: The effects of a traffic guidance scheme for auto-toll lanes on traffic safety at toll plazas

TitleThe effects of a traffic guidance scheme for auto-toll lanes on traffic safety at toll plazas
Authors
KeywordsAuto-toll lane marking
Before-and-after study
Toll plaza
Traffic safety
Issue Date2006
PublisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/ssci
Citation
Safety Science, 2006, v. 44 n. 9, p. 753-770 How to Cite?
AbstractThe Transport Department of the Hong Kong SAR government conducted a trial traffic guidance scheme at the plaza of a busy road tunnel. The scheme involves the placing of reflective road markings on the approach lanes to the toll plaza and the erection of a gantry sign that clearly distinguishes the auto-toll lane. The main purpose of the scheme is to improve traffic flow and traffic safety at the toll plaza. If the scheme is successful, then it will be applied to all other toll plazas in Hong Kong. We conducted an observational before-and-after study to assess the effects of the scheme. We found that the overall lane-changing rate decreased significantly by 23% (0.1 lane crossings per vehicle) at a significance level of 0.05, the pooled conflict count decreased sharply by 44% at a significance level of 0.10, and the crash count also decreased sharply by 38%. The mean travel time for non-auto-toll traffic increased significantly by 30% (8 s), whereas that of auto-toll Sunday traffic decreased by 18% (2 s). Both changes are statistically significant at a level of 0.05. The results indicate that the trial scheme provided good guidance to drivers. Traffic safety was improved, and the travel time of auto-toll traffic improved in certain periods, although at the expense of non-auto-toll traffic. © 2006 Elsevier Ltd. All rights reserved.
Persistent Identifierhttp://hdl.handle.net/10722/71730
ISSN
2015 Impact Factor: 2.157
2015 SCImago Journal Rankings: 0.928
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorWong, SCen_HK
dc.contributor.authorSze, NNen_HK
dc.contributor.authorHung, WTen_HK
dc.contributor.authorLoo, BPYen_HK
dc.contributor.authorLo, HKen_HK
dc.date.accessioned2010-09-06T06:34:39Z-
dc.date.available2010-09-06T06:34:39Z-
dc.date.issued2006en_HK
dc.identifier.citationSafety Science, 2006, v. 44 n. 9, p. 753-770en_HK
dc.identifier.issn0925-7535en_HK
dc.identifier.urihttp://hdl.handle.net/10722/71730-
dc.description.abstractThe Transport Department of the Hong Kong SAR government conducted a trial traffic guidance scheme at the plaza of a busy road tunnel. The scheme involves the placing of reflective road markings on the approach lanes to the toll plaza and the erection of a gantry sign that clearly distinguishes the auto-toll lane. The main purpose of the scheme is to improve traffic flow and traffic safety at the toll plaza. If the scheme is successful, then it will be applied to all other toll plazas in Hong Kong. We conducted an observational before-and-after study to assess the effects of the scheme. We found that the overall lane-changing rate decreased significantly by 23% (0.1 lane crossings per vehicle) at a significance level of 0.05, the pooled conflict count decreased sharply by 44% at a significance level of 0.10, and the crash count also decreased sharply by 38%. The mean travel time for non-auto-toll traffic increased significantly by 30% (8 s), whereas that of auto-toll Sunday traffic decreased by 18% (2 s). Both changes are statistically significant at a level of 0.05. The results indicate that the trial scheme provided good guidance to drivers. Traffic safety was improved, and the travel time of auto-toll traffic improved in certain periods, although at the expense of non-auto-toll traffic. © 2006 Elsevier Ltd. All rights reserved.en_HK
dc.languageengen_HK
dc.publisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/sscien_HK
dc.relation.ispartofSafety Scienceen_HK
dc.rightsSafety Science. Copyright © Elsevier BV.en_HK
dc.subjectAuto-toll lane markingen_HK
dc.subjectBefore-and-after studyen_HK
dc.subjectToll plazaen_HK
dc.subjectTraffic safetyen_HK
dc.titleThe effects of a traffic guidance scheme for auto-toll lanes on traffic safety at toll plazasen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0925-7535&volume=44&spage=753&epage=770&date=2006&atitle=The+effects+of+a+traffic+guidance+scheme+for+auto-toll+lanes+on+traffic+safety+at+toll+plazasen_HK
dc.identifier.emailWong, SC:hhecwsc@hku.hken_HK
dc.identifier.emailLoo, BPY:bpyloo@hku.hken_HK
dc.identifier.authorityWong, SC=rp00191en_HK
dc.identifier.authorityLoo, BPY=rp00608en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1016/j.ssci.2006.03.004en_HK
dc.identifier.scopuseid_2-s2.0-33748783324en_HK
dc.identifier.hkuros123596en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-33748783324&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume44en_HK
dc.identifier.issue9en_HK
dc.identifier.spage753en_HK
dc.identifier.epage770en_HK
dc.identifier.isiWOS:000241844800001-
dc.publisher.placeNetherlandsen_HK
dc.identifier.scopusauthoridWong, SC=24323361400en_HK
dc.identifier.scopusauthoridSze, NN=8412831200en_HK
dc.identifier.scopusauthoridHung, WT=7201803618en_HK
dc.identifier.scopusauthoridLoo, BPY=7005145560en_HK
dc.identifier.scopusauthoridLo, HK=7202085473en_HK

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