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A comparative evaluation of the impact of average speed enforcement (ASE) on passenger and minibus taxi vehicle drivers on the R61 in South Africa

dc.contributor.authorAkoku Ebot Eno Akpa, Nelsonen_ZA
dc.contributor.authorBooysen, M. J.en_ZA
dc.contributor.authorSinclair, M.en_ZA
dc.date.accessioned2017-07-12T14:08:06Z
dc.date.available2017-07-12T14:08:06Z
dc.date.issued2016
dc.identifier.citationAkoku Ebot Eno Akpa, N., Booysen, M. J. & Sinclair, M. 2016. A comparative evaluation of the impact of average speed enforcement (ASE) on passenger and minibus taxi vehicle drivers on the R61 in South Africa. Journal of the South African Institution of Civil Engineering, 58(4):2-10, doi:10.17159/2309-8775/2016/v58n4a1.
dc.identifier.issn2309-8775 (online)
dc.identifier.issn1021-2019 (print)
dc.identifier.otherdoi:10.17159/2309-8775/2016/v58n4a1
dc.identifier.urihttp://hdl.handle.net/10019.1/101962
dc.descriptionCITATION: Akoku Ebot Eno Akpa, N., Booysen, M. J. & Sinclair, M. 2016. A comparative evaluation of the impact of average speed enforcement (ASE) on passenger and minibus taxi vehicle drivers on the R61 in South Africa. Journal of the South African Institution of Civil Engineering, 58(4):2-10, doi:10.17159/2309-8775/2016/v58n4a1.
dc.descriptionThe original publication is available at http://www.scielo.org.za
dc.description.abstractAverage speed enforcement (ASE) is an emergent alternative to instantaneous speed limit enforcement to improve road safety, and is used to enforce an average speed limit over a road segment. This paper presents a study on the response of passenger vehicles and minibus taxis to ASE on the R61 in South Africa. A spatio-temporal quantitative study of speed compliance was conducted, where metrics such as speed variability, average speed and 85th percentile speed measured prior to, and during enforcement, were analysed for two prominent modes of transport - passenger vehicles and minibus taxis. These measurements were taken on the enforcement route and on control routes adjacent to and further away from the enforcement route. A qualitative study was also conducted to evaluate the relationship between speed compliance and driver understanding of the system. The impact of the system on crash risk and injury severity was also examined before and during enforcement. For passenger vehicles, results showed that the introduction of ASE was followed by a reduction in mean speed on the enforcement route and adjacent control route. For minibus taxis, it was found that ASE appears to have little influence on improving speed compliance, which is likely associated with a lack of driver understanding of how the system operates.en_ZA
dc.format.extent9 pages
dc.language.isoen_ZAen_ZA
dc.publisherSouth African Institution of Civil Engineering
dc.subjectTransportation -- South Africaen_ZA
dc.subjectMinibus taxi industry -- Speed enforcementen_ZA
dc.subjectAverage Speed Enforcement (ASE)en_ZA
dc.titleA comparative evaluation of the impact of average speed enforcement (ASE) on passenger and minibus taxi vehicle drivers on the R61 in South Africaen_ZA
dc.typeArticleen_ZA
dc.description.versionPublisher's version
dc.rights.holderAuthors retain copyright


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