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Traffic noise abatement: How different pavements, vehicle speeds and traffic densities affect annoyance levels |
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| Authors: | E. Freitas,C. Mendonç a,J.A. Santos,C. MurteiraJ.P. Ferreira |
| Affiliation: | a School of Engineering, Department of Civil Engineering, University of Minho, Portugal b School of Psychology, Department of Basic Psychology, University of Minho, Portugal c Centro Algoritmi, University of Minho, Portugal d Centro de Computação Gráfica, Portugal |
| Abstract: | In this paper, annoyance ratings from traffic noise recorded on cobblestones, dense asphalt, and open asphalt rubber pavements are assessed with regard to car speeds and traffic densities. It was found that cobblestones pavements are the most annoying; also while open asphalt rubber pavement imposes less annoyance than dense asphalt it is not significantly different. Higher car speeds always lead to greater annoyance, as does higher traffic densities. LAeq and LAmax correlate well with annoyance, but loudness is the best predictor. Roughness and sharpness exhibit inconsistent interactions. |
| Keywords: | Traffic noise annoyance Dense asphalt pavements Open asphalt rubber pavements Cobblestones pavements |
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