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Exposure to noise and air pollution by mode of transportation during rush hours in Montreal


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Apparicio, Philippe ORCID logoORCID: https://orcid.org/0000-0001-6466-9342; Gelb, Jérémy ORCID logoORCID: https://orcid.org/0000-0002-7114-2714; Carrier, Mathieu; Mathieu, Marie-Ève et Kingham, Simon (2018). Exposure to noise and air pollution by mode of transportation during rush hours in Montreal Journal of Transport Geography , vol. 70 . pp. 182-192. DOI: 10.1016/j.jtrangeo.2018.06.007.

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According to the World Health Organization, air pollution and road traffic noise are two important environmental nuisances that could be harmful to the health and well-being of urban populations. Earlier studies suggest that motorists are more exposed to air pollutants than are active transportation users. However, because of their level of physical activity, cyclists also inhale more air pollutants. The main objective of this paper is to measure individuals' levels of exposure to air pollution (nitrogen dioxide – NO2) and road traffic noise according to their use of different modes of transportation. Three teams of three people each were formed: one person would travel by bicycle, one by public transit, and the third by car. Nearly one hundred trips were made, from various outlying Montreal neighbourhoods to the downtown area at 8 am, and in the opposite direction at 5 pm. The use of mixed models demonstrated that public transit commuters' and cyclists' levels of exposure to noise are significantly greater than motorists' exposure. Again, using mixed models, we found that although the levels of exposure to the NO2 pollutant do not significantly differ among the three modes, the inhaled doses of NO2 pollutant are more than three times higher for cyclists than for motorists due to their stronger ventilation rate. It is hardly surprising that the benefits of physical activity are of course greater for cyclists: they burn 3.63 times more calories than motorists. This ratio is also higher for public transport users (1.73) who combine several modes (walking, bus and/or subway and walking).

Type de document: Article
Mots-clés libres: Cycling; Noise; Air Pollution; Transport; Geographic Information Systems
Centre: Centre Urbanisation Culture Société
Date de dépôt: 18 juin 2018 13:55
Dernière modification: 28 janv. 2022 18:34
URI: https://espace.inrs.ca/id/eprint/7301

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