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The Impact of Thin Asphalt Layers as a Road Traffic Noise Intervention in an Urban Environment

Author

Listed:
  • Ablenya Grangeiro de Barros

    (EMIB Research Group, Faculty of Applied Engineering, University of Antwerp, 2020 Antwerp, Belgium)

  • Jarl K. Kampen

    (STATUA, Department of Epidemiology and Social Medicine, University of Antwerp, 2000 Antwerp, Belgium
    Biometris, Wageningen University and Research Center, 6708 PB Wageningen, The Netherlands)

  • Cedric Vuye

    (EMIB Research Group, Faculty of Applied Engineering, University of Antwerp, 2020 Antwerp, Belgium)

Abstract

Low-noise thin asphalt layers (TALs) are a feasible solution to mitigate road traffic noise in urban environments. Nevertheless, the impacts of this type of noise intervention are reported mostly regarding noise levels, while non-acoustic aspects influencing the population perception are still little-known. This study investigates the implementation of TALs in two streets of Antwerp, Belgium. The effectiveness of the intervention was measured via noise modelling and acoustic measurements of road traffic noise. A reduction of 2.8 dB in noise exposure was observed in L den and L night , while SPB measurements showed decreases up to 5.2 dB on the roadside. The subjective impacts of the TALs were evaluated via self-administered surveys and compared to results from control streets. The annoyance indicators were positively impacted by the TALs implementation, resulting in annoyance levels similar or lower than in the control streets. The TALs did not impact the reported physical complaints, sleep quality, and comfort level to perform activities.

Suggested Citation

  • Ablenya Grangeiro de Barros & Jarl K. Kampen & Cedric Vuye, 2021. "The Impact of Thin Asphalt Layers as a Road Traffic Noise Intervention in an Urban Environment," Sustainability, MDPI, vol. 13(22), pages 1-21, November.
    • Handle: RePEc:gam:jsusta:v:13:y:2021:i:22:p:12561-:d:678720
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    Cited by:

    1. Tarık Serhat Bozkurt & Ahmet Sertaç Karakaş, 2022. "Investigation of Asphalt Pavement to Improve Environmental Noise and Water Sustainability," Sustainability, MDPI, vol. 14(22), pages 1-22, November.

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