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Coatings 2015, 5(1), 3-25; doi:10.3390/coatings5010003

Performance Assessment of Low-Noise Road Surfaces in the Leopoldo Project: Comparison and Validation of Different Measurement Methods

1
Department of Lucca, Via A.Vallisneri n.6, Agenzia Regionale per la Protezione Ambientale del laToscana, ARPAT, Lucca I-55100, Italy
2
Consiglio Nazionale delle Ricerche CNR, IPCF, Via G.Moruzzi n.1, Pisa I-56124, Italy
3
Agenzia Regionale per la Protezione Ambientale della Toscana, ARPAT, Area Vasta Costa - Settore Agenti Fisici, Via V.Veneto n.27, Pisa I-56127, Italy
4
Physics Department, University of Siena, Via Roma n.56, Siena I-53100, Italy
5
Consiglio Nazionale delle Ricerche CNR, IDASC, Via Fosso del Cavaliere n.100, Roma I-00133, Italy
*
Author to whom correspondence should be addressed.
Academic Editor: Elisabete Fraga de Freitas
Received: 12 November 2014 / Accepted: 4 January 2015 / Published: 15 January 2015
(This article belongs to the Special Issue Low-Noise Road Surfaces)

Abstract

In almost all urban contexts and in many extra-urban conurbations, where road traffic is the main noise pollution source, the use of barriers is not allowed. In these cases, low-noise road surfaces are the most used mitigation action together with traffic flow reduction. Selecting the optimal surface is only the first problem that the public administration has to face. In the second place, it has to consider the issue of assessing the efficacy of the mitigation action. The purpose of the LEOPOLDO project was to improve the knowledge in the design and the characterization of low-noise road surfaces, producing guidelines helpful to the public administrations. Several experimental road surfaces were tested. Moreover, several measurement methods were implemented aiming to select those that are suitable for a correct assessment of the pavement performances laid as mitigation planning. In this paper, the experience gained in the LEOPOLDO project will be described, focusing on both the measurement methods adopted to assess the performance of a low-noise road surface and the criteria by which the experimental results have to be evaluated, presenting a comparison of the obtained results and their monitoring along time. View Full-Text
Keywords: tire/road noise; noise mitigation action; Close Proximity Method (CPX); Statistical Pass-By (SPB) tire/road noise; noise mitigation action; Close Proximity Method (CPX); Statistical Pass-By (SPB)
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Licitra, G.; Cerchiai, M.; Teti, L.; Ascari, E.; Bianco, F.; Chetoni, M. Performance Assessment of Low-Noise Road Surfaces in the Leopoldo Project: Comparison and Validation of Different Measurement Methods. Coatings 2015, 5, 3-25.

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