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Effects of a porous asphalt pavement on dust suspension and PM10 concentration

Svensson, Nina ; Lundberg, Joacim LU orcid ; Janhäll, Sara ; Kulovuori, Sami and Gustafsson, Mats (2023) In Transportation Research, Part D: Transport and Environment 123.
Abstract
Non-exhaust emissions from road transport are an important PM10 source, causing negative health effects. Measures to reduce particulate pollution from roads include dust suppression using hygroscopic solutions and road sweeping. This study investigates if porous pavements, generally used for their better noise reduction and water drainage capacity, can also improve air quality. Atmospheric measurements of NOx and PM10 were performed for 7 months along a road stretch containing two different surfaces, one porous and one dense. The PM10 concentration was significantly lower at the porous pavement during all meteorological conditions. Particle emissions measured behind the wheel of a moving car were also lower at the porous pavement. The... (More)
Non-exhaust emissions from road transport are an important PM10 source, causing negative health effects. Measures to reduce particulate pollution from roads include dust suppression using hygroscopic solutions and road sweeping. This study investigates if porous pavements, generally used for their better noise reduction and water drainage capacity, can also improve air quality. Atmospheric measurements of NOx and PM10 were performed for 7 months along a road stretch containing two different surfaces, one porous and one dense. The PM10 concentration was significantly lower at the porous pavement during all meteorological conditions. Particle emissions measured behind the wheel of a moving car were also lower at the porous pavement. The reasons for the improved air quality are suggested to be the removal of road dust from the surface into the pores of the pavement, the reduction of the air-pumping suspension forces of the tyres, and the prolonged drying of the surface. (Less)
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author
; ; ; and
organization
publishing date
type
Contribution to journal
publication status
published
subject
in
Transportation Research, Part D: Transport and Environment
volume
123
pages
16 pages
publisher
Elsevier
external identifiers
  • scopus:85172723755
ISSN
1361-9209
DOI
10.1016/j.trd.2023.103921
language
English
LU publication?
yes
id
0c4d8db6-4a68-46a7-a523-5b4d267629db
date added to LUP
2023-09-27 10:00:43
date last changed
2023-11-21 16:59:51
@article{0c4d8db6-4a68-46a7-a523-5b4d267629db,
  abstract     = {{Non-exhaust emissions from road transport are an important PM10 source, causing negative health effects. Measures to reduce particulate pollution from roads include dust suppression using hygroscopic solutions and road sweeping. This study investigates if porous pavements, generally used for their better noise reduction and water drainage capacity, can also improve air quality. Atmospheric measurements of NOx and PM10 were performed for 7 months along a road stretch containing two different surfaces, one porous and one dense. The PM10 concentration was significantly lower at the porous pavement during all meteorological conditions. Particle emissions measured behind the wheel of a moving car were also lower at the porous pavement. The reasons for the improved air quality are suggested to be the removal of road dust from the surface into the pores of the pavement, the reduction of the air-pumping suspension forces of the tyres, and the prolonged drying of the surface.}},
  author       = {{Svensson, Nina and Lundberg, Joacim and Janhäll, Sara and Kulovuori, Sami and Gustafsson, Mats}},
  issn         = {{1361-9209}},
  language     = {{eng}},
  publisher    = {{Elsevier}},
  series       = {{Transportation Research, Part D: Transport and Environment}},
  title        = {{Effects of a porous asphalt pavement on dust suspension and PM10 concentration}},
  url          = {{http://dx.doi.org/10.1016/j.trd.2023.103921}},
  doi          = {{10.1016/j.trd.2023.103921}},
  volume       = {{123}},
  year         = {{2023}},
}