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State Library of Oregon: Oregon Documents

This archived document is maintained by the State Library of Oregon as part of the Oregon Documents Depository Program. It is for informational purposes and may not be suitable for legal purposes.

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Quantifying the performance of low-noise transverse rumble strips: final technical memo

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TitleQuantifying the performance of low-noise transverse rumble strips: final technical memoPersonal NameHurwitz, David S. 1982-Horne, DylanJashami, HishamCorporate NameOregon State University School of Civil and Construction EngineeringOregon Department of Transportation. Research SectionUnited States Federal Highway AdministrationSubjectRumble strips -- EvaluationGenrebibliographygovernment publicationtextTechnical reportsDate2019-07-31CollectionOregon State UniversityTransportationLanguageengPublisherOregon State University, School of Civil and Construction Engineering,Place of PublicationCorvallis, ORFormonline resourceExtent1 online resource (46 pages) : color illustrations, color mapType of ResourcetextIssuancemonographicSummaryTransverse rumble strips (TRS) generate noise and vibration to alert drivers when they are approaching an intersection with traffic control, e.g. stop signs. TRS have been shown to reduce crashes up to 30% but have noise concerns (Finley et al., 2007). This study evaluated the feasibility of using shallow, epoxy filled TRS (EFTRS) as a substitute to address noise concerns. A total of 24 vehicle strikes were recorded. Exterior sound levels generated by TRS strikes were compared to baseline and EFTRS using a probe vehicle. Experimental framework was based on previous studies of RS and the AASHTO SIP Method. Humans can detect differences in noise levels at 3 dB, with 5 dB being easily noticed. The EFTRS vs TRS mean sound dropped from 87.58 dBA to 84.09 dBA, a noticeable 3.49 dBA. When both are compared based on their peak (max value), the difference was a clearly detectable drop of 6.04 dBA. Additionally, the sound level generated from the EFTRS is higher than the paved condition, with a 95% CI [0.14 dBA, 4.77 dBA]. This means that the EFTRS are quieter than the original TRS (4x louder compared to vehicle on flat pavement), but are still noticeable compared to background traffic.Noteby David S. Hurwitz, Ph.D., Associate Professor, Dylan Horne, Graduate Research Assistant, Hisham Jashami, Graduate Research Assistant, Oregon State University, School of Civil and Construction Engineering for Oregon Department of Transportation, Research Section and Federal Highway Administration.Title from PDF title page (viewed on January 2, 2020)."FHWA-OR-RD-20-01"--Technical report documentation page."Project SPR 829A."This archived document is maintained by the State Library of Oregon as part of the Oregon Documents Depository Program. It is for informational purposes and may not be suitable for legal purposes.Includes bibliographical references (pages 19-20).Sponsored by Oregon Department of Transportation, Research Section and Federal Highway Administration.Mode of access: Internet from the Oregon Government Publications Collection.Text in English.Final technical memo.

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OCLC Number1134620067Restrictions on Accesshttp://rightsstatements.org/vocab/CNE/1.0/