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Cross-Regional Highway Built through a City Centre as an Example of the Sustainable Development of Urban Transport

Department of Air Protection, Faculty of Energy and Environmental Engineering, Silesian University of Technology, 44-100 Gliwice, Poland
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Sustainability 2020, 12(24), 10403; https://doi.org/10.3390/su122410403
Received: 29 October 2020 / Revised: 27 November 2020 / Accepted: 10 December 2020 / Published: 12 December 2020
Sustainable development requires ensuring the mobility of residents and must not cause deterioration of the quality of the environment in the selected area. The purpose of this study is to verify if the construction of a cross-regional highway through the city centre affected air quality in the neighbourhood of a newly built road. Air quality was assessed based on measurements of concentrations of nitrogen dioxide, which is considered to be typical for automotive sources air pollution. The spectrophotometric method with passive sampling was used in the 24 h NO2 measurements. The calculated mean NO2 concentrations in the periods before and after road construction were within the ranges of 23.2–31.9 μg/m3 and 22.3–28.9 μg/m3, respectively. The relative NO2 concentrations determined in the study for 10 out of 11 sampling points were lower than the unity, including 5 points markedly lower (0.82–0.89). The obtained results indicate that the construction of the new artery by the city centre, using appropriate technical solutions and traffic organization (tunnel, noise barriers, roundabouts, speed limit) likely contributed to an overall reduction in NO2 concentrations. The presented solution may serve as an example for other cities struggling with problems of low air quality associated with inefficient transportation systems. View Full-Text
Keywords: road transport; cross-regional highway; transport pollutants; nitrogen dioxide road transport; cross-regional highway; transport pollutants; nitrogen dioxide
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MDPI and ACS Style

Żak, M.; Mainka, A. Cross-Regional Highway Built through a City Centre as an Example of the Sustainable Development of Urban Transport. Sustainability 2020, 12, 10403. https://doi.org/10.3390/su122410403

AMA Style

Żak M, Mainka A. Cross-Regional Highway Built through a City Centre as an Example of the Sustainable Development of Urban Transport. Sustainability. 2020; 12(24):10403. https://doi.org/10.3390/su122410403

Chicago/Turabian Style

Żak, Magdalena, and Anna Mainka. 2020. "Cross-Regional Highway Built through a City Centre as an Example of the Sustainable Development of Urban Transport" Sustainability 12, no. 24: 10403. https://doi.org/10.3390/su122410403

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