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Assessing the Impact of Road Traffic Reorganization on Air Quality: A Street Canyon Case Study

AGH University of Science and Technology, Faculty of Mining Surveying and Environmental Engineering, Department of Environmental Management and Protection, 30-059 Krakow, Poland
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Atmosphere 2020, 11(7), 695; https://doi.org/10.3390/atmos11070695
Received: 29 May 2020 / Revised: 23 June 2020 / Accepted: 25 June 2020 / Published: 30 June 2020
(This article belongs to the Special Issue Particulate Matters Emission in Poland)
One of the elements of strategy aimed at minimizing the impact of road transport on air quality is the introduction of its reorganization resulting in decreased pollutant emissions to the air. The aim of the study was to determine the optimal strategy of corrective actions in terms of the air pollutant emissions from road transport. The study presents the assessment results of the emission reduction degree of selected pollutants (PM10, PM2.5, and NOx) as well as the impact evaluation of this reduction on their concentrations in the air for adopted scenarios of the road management changes for one of the street canyons in Krakow (Southern Poland). Three scenarios under consideration of the city authorities were assessed: narrowing the cross-section of the street by eliminating one lane in both directions, limiting the maximum speed from 70 km/h to 50 km/h, and allowing only passenger and light commercial vehicles on the streets that meet the Euro 4 standard or higher. The best effects were obtained for the variant assuming banning of vehicles failing to meet the specified Euro standard. It would result in a decrease of the yearly averaged PM10 and PM2.5 concentrations by about 8–9% and for NOx by almost 30%. View Full-Text
Keywords: road transport; road traffic reorganization; air emission reduction; air quality; atmospheric dispersion modeling; OSPM; street canyon road transport; road traffic reorganization; air emission reduction; air quality; atmospheric dispersion modeling; OSPM; street canyon
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Bogacki, M.; Oleniacz, R.; Rzeszutek, M.; Bździuch, P.; Szulecka, A.; Gorzelnik, T. Assessing the Impact of Road Traffic Reorganization on Air Quality: A Street Canyon Case Study. Atmosphere 2020, 11, 695.

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