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Assessment of the Impact of CO, NO x and PM 10 on Air Quality during Road Construction and Operation Phases

Author

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  • Marinella Giunta

    (Department of Civil, Energy, Environmental, Materials Engineering, University Mediterranea of Reggio Calabria via Graziella, Feo di Vito, 89100 Reggio Calabria, Italy)

Abstract

The road sector is one of the main sources of air emissions in the atmosphere during both construction and operation. The objective of the present paper is a comprehensive evaluation of the impact on air quality during the two main phases of life cycle of roads. In this case study of a motorway project, the emissions of the primary pollutants, CO, NOx, and PM 10 are estimated, and the results showed that (i) CO and NOx pollutants released during both phases are comparable, while the emissions of PM 10 are more significant in the construction phase; (ii) 85% of PM 10 in construction is due to storage, transit on unpaved road, and crushing; (iii) the portals of the tunnel are the sites where there are higher concentrations of pollutants in operation; and (iv) the CO concentrations estimated by the dispersion model are strongly influenced by the topography.

Suggested Citation

  • Marinella Giunta, 2020. "Assessment of the Impact of CO, NO x and PM 10 on Air Quality during Road Construction and Operation Phases," Sustainability, MDPI, vol. 12(24), pages 1-14, December.
    • Handle: RePEc:gam:jsusta:v:12:y:2020:i:24:p:10549-:d:463428
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    References listed on IDEAS

    as
    1. Marinella Giunta & Dario Lo Bosco & Giovanni Leonardi & Francesco Scopelliti, 2019. "Estimation of Gas and Dust Emissions in Construction Sites of a Motorway Project," Sustainability, MDPI, vol. 11(24), pages 1-14, December.
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    Cited by:

    1. Mekhala Kaluarachchi & Anuradha Waidyasekara & Raufdeen Rameezdeen & Nicholas Chileshe, 2021. "Mitigating Dust Pollution from Construction Activities: A Behavioural Control Perspective," Sustainability, MDPI, vol. 13(16), pages 1-19, August.
    2. Seyedehmehrmanzar Sohrab & Nándor Csikós & Péter Szilassi, 2022. "Connection between the Spatial Characteristics of the Road and Railway Networks and the Air Pollution (PM10) in Urban–Rural Fringe Zones," Sustainability, MDPI, vol. 14(16), pages 1-20, August.

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