New research in noise reduction and safety

dc.contributor.authorWay, George B.
dc.contributor.otherSouthern African Transport Conference (30th : 2011 : Pretoria, South Africa)
dc.contributor.otherTransportation Research Board of the National Academies (TRB)
dc.contributor.otherMinister of Transport, South Africa
dc.date.accessioned2011-09-30T11:13:38Z
dc.date.available2011-09-30T11:13:38Z
dc.date.issued2011-07
dc.descriptionThis paper was transferred from the original CD ROM created for this conference. The material was published using Adobe Acrobat 10.1.0 Technology. The original CD ROM was produced by Document Transformation Technologies Postal Address: PO Box 560 Irene 0062 South Africa. Tel.: +27 12 667 2074 Fax: +27 12 667 2766 E-mail: nigel@doctech URL: http://www.doctech.co.zaen_US
dc.description.abstractPaper presented at the 30th Annual Southern African Transport Conference 11-14 July 2011 "Africa on the Move", CSIR International Convention Centre, Pretoria, South Africa.en_US
dc.description.abstractNoise is defined as a loud sound of any sort that is disagreeable or unwanted. Throughout the ages of civilized history, noise has been an annoying irritant to mankind. In recent years the noise level of freeways in urban and suburban areas in the United States has increased perceptibly as freeway traffic has increased and more people are living closer to freeways. To reduce such a noisy irritant generated by traffic on concrete or asphalt pavements Arizona has employed either a 12.5 or 25 mm asphalt-rubber open graded friction course hot mix surfacing. This paper reviews the experience and research in Arizona and California with using asphalt-rubber open graded friction course pavements to reduce the noise by 3-12 decibels. These findings have led to Arizona developing a large scale program of covering over 2000 lane kilometers of concrete pavement with a 25 mm asphalt-rubber open graded friction hot mix surface course to substantially reduce noise. This program started in 2002 and is referred to in Arizona as the Quiet Pavements Program and has been very successful. In addition Texas has noted an improvement in safety due to the use of open graded permeable surface courses.en_US
dc.description.sponsorshipCD sponsored by TRANSNETen_US
dc.format.extent9 pagesen_US
dc.format.mediumPDFen_US
dc.identifier.citationWay, GB 2011, 'New research in noise reduction and safety', Paper presented to the 30th Annual Southern African Transport Conference, South Africa, 11-14 July. pp. 635-643en_US
dc.identifier.isbn9781920017514
dc.identifier.urihttp://hdl.handle.net/2263/17363
dc.language.isoenen_US
dc.publisherDocument Transformation Technologiesen_US
dc.relation.ispartofSATC 2011
dc.rightsUniversity of Pretoriaen_US
dc.subjectNoise level of freewaysen_US
dc.subjectArizonaen_US
dc.subjectTexasen_US
dc.subjectTrafficen_US
dc.subjectConcrete pavementsen_US
dc.subjectAsphalt pavementsen_US
dc.subject.lcshTransportation
dc.subject.lcshTransportation -- Africaen
dc.subject.lcshTransportation -- Southern Africa
dc.titleNew research in noise reduction and safetyen_US
dc.typePresentationen_US

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