Subjective response to road traffic noise |
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| Affiliation: | 1. Department of Statistics, National Taipei University, Taiwan;2. Department of Electronic & Information Engineering, Hong Kong Polytechnic University, Hong Kong;1. Université de Lyon, ENTPE, Laboratoire Génie Civil et Bâtiment (LGCB), 3 rue Maurice Audin, F-69518 Vaulx-en-Velin, France;2. Université de Lyon, Institut National des Sciences Appliquées de Lyon, Laboratoire Vibrations Acoustique (LVA), 25 bis avenue Jean Capelle, F-69621 Villeurbanne, France;1. Silesian University of Technology, Faculty of Civil Engineering, Gliwice, Poland;2. SVANTEK Sp. z o.o, Poland;1. Departamento de Física Aplicada, Escuela Politécnica, Universidad de Extremadura, Avda. de la Universidad s/n, 10003 Cáceres, Spain;2. Facultad de Ciencias de la Salud, Universidad Autónoma de Chile, 5 Poniente 1670, 3460000 Talca, Región del Maule, Chile;3. ISISE, Departamento de Engenharia Civil, Universidade de Coimbra, Luis Reis dos Santos 290, Coimbra, Portugal;1. Faculty of Economics and Sociology, University of Lodz, POW 3/5, 90-255 Lodz, Poland;2. Institute of Urban Geography and Tourism, University of Lodz, Kopcińskiego 31, 90-142 Lodz, Poland;3. Centre for Migration and Urban Studies, Department of Geography, University of Estonia, Estonia;4. Department of Geography, Environmental Management and Energy Studies, University of Johannesburg, South Africa |
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| Abstract: | A study consisting of acoustic measurements at fourteen sites in the London area and 1200 interviews dealing with the effects of the noise conditions prevailing at each of these sites has been carried out with the object of developing acceptability criteria for traffic noise from roads in residential areas. Dissatisfaction with the noise conditions, as expressed by residents at each of these sites, was related to sound levels in such a way that it was possible to predict the median level of dissatisfaction at each site by the use of a measure taking into account the mean sound levels exceeded for 90 and 10 % of the sampling periods throughout a whole day, which it is proposed to call the Traffic Noise Index (T.N.I.). Predictions made on the basis of either 10 or 90 % levels alone were considerably less accurate than those made on the basis of the combined measure. Individual dissatisfaction scores correlated poorly with physical measures. This finding is believed to be the result of wide individual differences in susceptibility to and experience of noise, as well as in patterns of living likely to be disturbed by noise. Attempts to allow for these factors were unsuccessful. Disturbance of various activities was shown to be related to noise levels and the increasing extent of this effect with worsening of noise conditions was used to validate the scale of dissatisfaction. |
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