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Performance Assessment of Turbo-roundabouts in Corridors

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datacite.subject.fosEngenharia e Tecnologia::Engenharia Civil
datacite.subject.sdg09:Indústria, Inovação e Infraestruturas
datacite.subject.sdg11:Cidades e Comunidades Sustentáveis
dc.contributor.authorSilva, Ana Bastos
dc.contributor.authorMariano, Pedro
dc.contributor.authorSilva, João Pedro
dc.date.accessioned2026-02-05T15:25:21Z
dc.date.available2026-02-05T15:25:21Z
dc.date.issued2015
dc.descriptionPart of special issue 18th Euro Working Group on Transportation, EWGT 2015, 14-16 July 2015, Delft, The Netherlands
dc.description.abstractThere is a widespread agreement in the scientific community that the transformation of a conventional multi-lane roundabout into a turbo-roundabout results in a significant increase of road safety levels. However there is no consensus regarding its effect in terms of capacity, as there are some authors that point towards a small reduction in capacity, namely in the major roads entries. The concept of turbo-roundabout is quite recent and therefore there are only a few studies of its performance, in particular, when applied in a network or in a corridor. In this context, this paper focuses on the evaluation of the performance of the turbo-roundabout solution, when applied in corridor, compared to a normal double-lane roundabout. The analysis was based on two key components: capacity and pollutant emissions. The work was supported by microsimulation techniques using the AIMSUN software, based on a real case study calibrated and validated for this purpose. It was possible to conclude that the turbo-roundabout performance is strongly influenced by the traffic load of the network, severely losing its performance in oversaturation conditions. The performance of the solution was also particularly sensitive to the traffic directional distribution, both in the entries as well as in the corridor. In global terms, it was found that the results for the environmental indicators follow the progress of the capacity indicators.eng
dc.description.sponsorshipThis work has been carried out in the framework of projects EMSURE - Energy and Mobility for Sustainable Regions (CENTRO-07-0224-FEDER-002004) and AROUND (FCT project PTDC/SEN-TRA/122114/2010).
dc.identifier.citationSilva, A. B., Mariano, P., Silva, J. P. (2015). Performance Assessment of Turbo-roundabouts in Corridors. Transportation Research Procedia, Volume 10, 124-133. https://doi.org/10.1016/j.trpro.2015.09.062.
dc.identifier.doi10.1016/j.trpro.2015.09.062
dc.identifier.issn2352-1465
dc.identifier.urihttp://hdl.handle.net/10400.8/15546
dc.language.isoeng
dc.peerreviewedyes
dc.publisherElsevier
dc.relationAROUND - Improving Capacity And Emission Models of Roundabouts
dc.relation.hasversionhttps://www.sciencedirect.com/science/article/pii/S2352146515002495
dc.relation.ispartofTransportation Research Procedia
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/
dc.subjectAimsun
dc.subjectmicrosimulation
dc.subjectperformance evaluation
dc.subjectturbo-roundabout
dc.titlePerformance Assessment of Turbo-roundabouts in Corridorseng
dc.title.alternative18th Euro Working Group on Transportation, EWGT 2015, 14-16 July 2015, Delft, The Netherlandseng
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleAROUND - Improving Capacity And Emission Models of Roundabouts
oaire.awardURIhttp://hdl.handle.net/10400.8/13493
oaire.citation.endPage133
oaire.citation.startPage124
oaire.citation.titleTransportation Research Procedia
oaire.citation.volume10
oaire.fundingStream5876-PPCDTI
oaire.versionhttp://purl.org/coar/version/c_970fb48d4fbd8a85
person.familyNameCruz da Silva
person.givenNameJoão Pedro
person.identifier.ciencia-id961E-61CC-3A9D
person.identifier.orcid0000-0003-4206-243X
relation.isAuthorOfPublication46d8dfe0-9d72-49a0-a14f-f27d33f99a0f
relation.isAuthorOfPublication.latestForDiscovery46d8dfe0-9d72-49a0-a14f-f27d33f99a0f
relation.isProjectOfPublication9a7a6d0e-72fe-49bf-a36e-e60a8ce7bc8c
relation.isProjectOfPublication.latestForDiscovery9a7a6d0e-72fe-49bf-a36e-e60a8ce7bc8c

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