Changes in the Soundscape of the Public Space Close to a Highway by a Noise Control Intervention

Timothy Van Renterghem, Francesco Aletta and Dick Botteldooren
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Timothy Van Renterghem: WAVES Research Group, Department of Information Technology, Faculty of Engineering and Architecture, Ghent University, B 9052 Gent-Zwijnaarde, Belgium
Francesco Aletta: Institute for Environmental Design and Engineering, The Bartlett, University College London, London WC1H 0NN, UK
Dick Botteldooren: WAVES Research Group, Department of Information Technology, Faculty of Engineering and Architecture, Ghent University, B 9052 Gent-Zwijnaarde, Belgium

Sustainability, 2021, vol. 13, issue 9, 1-16

Abstract: The deployment of measures to mitigate sound during propagation outdoors is most often a compromise between the acoustic design, practical limitations, and visual preferences regarding the landscape. The current study of a raised berm next to a highway shows a number of common issues like the impact of the limited length of the noise shielding device, initially non-dominant sounds becoming noticeable, local drops in efficiency when the barrier is not fully continuous, and overall limited abatement efficiencies. Detailed assessments of both the objective and subjective effect of the intervention, both before and after the intervention was deployed, using the same methodology, showed that especially the more noise sensitive persons benefit from the noise abatement. Reducing the highest exposure levels did not result anymore in a different perception compared to more noise insensitive persons. People do react to spatial variation in exposure and abatement efficiency. Although level reductions might not be excessive in many real-life complex multi-source situations, they do improve the perception of the acoustic environment in the public space.

Keywords: environmental noise; road traffic noise; noise perception; soundscape; noise control intervention; public space; survey (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2021
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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