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Assessing the acoustic properties of audio-tactile road markings

  • Structured road markings are becoming popular as edge line on high speed roads, ensuring night time visibility (retroreflection) during rain. These markings are often also "audio-tactile": vehicles (un)intentionally driving over it may produce much more tyre/road sound, which may be observed in the vehicle but also in the vicinity. The sound increase inside the car can be considered as a positive side effect, as it alarms the driver and may be very helpful for the prevention of "doze off" traffic accidents. The sound increase perceived outside the car however, may have a positive aspect as it can warn people on the emergency lane about the approaching vehicle, but it may as well annoy people living around. A method for the assessment of the acoustic properties of audio-tactile markings has been developed. It is mainly based on the "Close Proximity" (CPX) method, an ISO method intended for the acoustic assessment of pavements. The results of measurement campaigns with CPX trailers in Belgium and Germany according to a specially designed procedure are presented. The feasibility of the method is discussed. The research has been carried out in the frame of the standardization activities of the CEN working group CEN/TC226/WG2 "Horizontal signalization".

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Author:Luc Goubert, Philippe Debroux, Annette Gail, Marek Zöller, Kristof De Clerck, Lenert Verleyen
Parent Title (English):Internoise 2014 - 43rd International Congress on Noise Control Engineering
Document Type:Conference Proceeding
Date of Publication (online):2019/11/27
Date of first publication:2014/11/27
Publishing institution:Bundesanstalt für Straßenwesen (BASt)
Contributing corporation:Belgian Road Research Centre
Release Date:2019/11/27
Tag:Fahrbahnmarkierung; Lärm; Messung; Norm (tech); Oberflächentextur; Schallpegel; Sicherheit
Carriageway marking; Measurement; Noise; Safety; Sound level; Specification (standard); Surface texture
Number of pages:10
Volltext unter: http://www.acoustics.asn.au/conference_proceedings/INTERNOISE2014/index.htm

Außerdem beteiligt: Flemish Agency for Roads and Traffic
Institutes:Abteilung Straßenverkehrstechnik
Dewey Decimal Classification:6 Technik, Medizin, angewandte Wissenschaften / 62 Ingenieurwissenschaften / 620 Ingenieurwissenschaften und zugeordnete Tätigkeiten
Licence (German):License LogoBASt / Link zum Urhebergesetz

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