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Perceived integrated impact of visual intrusion and noise of motorways: Influential factors and impact indicators

Jiang, L; Kang, J; (2017) Perceived integrated impact of visual intrusion and noise of motorways: Influential factors and impact indicators. Transportation Research Part D: Transport and Environment , 57 pp. 217-223. 10.1016/j.trd.2017.09.027. Green open access

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Abstract

Motorways are often seen as intrusive to both landscape and soundscape, and recent studies on multisensory perception suggest that an integrated assessment of the environmental impacts is necessary. This paper investigates the effects of traffic condition, distance to road and background landscape on the perceived integrated impact of noise and visual intrusion of motorways, and explores if noise exposure can be a powerful indicator for the perceived integrated impact. Six traffic conditions, consisting of three levels of noise emission × two levels of heavy good vehicle percentage in traffic composition, two types of background landscape and three distances to road, were designed as experimental scenarios, and created using computer visualisation and edited audio recordings. A laboratory experiment was carried out to obtain ratings of perceived environmental quality of each experimental scenario. The results show that traffic volume as expressed by noise emission level strongly influenced the perceived integrated impact, whereas traffic composition did not make noticeable differences. Distance to road was the second most influential factor, followed by background landscape. A regression model using noise level at receiver position and type of background landscape as independent variables was developed and can explain about a quarter of the variation in the perceived integrated impact.

Type: Article
Title: Perceived integrated impact of visual intrusion and noise of motorways: Influential factors and impact indicators
Open access status: An open access version is available from UCL Discovery
DOI: 10.1016/j.trd.2017.09.027
Publisher version: https://doi.org/10.1016/j.trd.2017.09.027
Language: English
Additional information: This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions.
Keywords: Science & Technology, Life Sciences & Biomedicine, Technology, Environmental Studies, Transportation, Transportation Science & Technology, Environmental Sciences & Ecology, PERCEPTION, URBAN, ENVIRONMENT, LANDSCAPE, SOUND, ENHANCEMENT
UCL classification: UCL
UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of the Built Environment
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of the Built Environment > Bartlett School Env, Energy and Resources
URI: https://discovery.ucl.ac.uk/id/eprint/10054790
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