Assessing the Impact of Traffic Crashes on Near Freeway Air Quality

Title
Assessing the Impact of Traffic Crashes on Near Freeway Air Quality
Author
오철
Keywords
Vehicle emissions; Air quality; Traffic crashes; Traffic-related air pollution exposure area; Traffic-related public health
Issue Date
2017-10
Publisher
PERGAMON-ELSEVIER SCIENCE LTD
Citation
TRANSPORTATION RESEARCH PART D-TRANSPORT AND ENVIRONMENT, v. 57, Page. 64-73
Abstract
As interest grows in eco-friendly green transportation systems, transportation management agencies have focused on effectively mitigating vehicle emissions. Extensive research has been conducted to enhance the performance of transportation systems in terms of environmental compatibility. A novel feature of this study includes considering crash occurrences when analyzing near-freeway air quality. This study quantifies the impact of traffic crashes on vehicle emissions and the associated near-freeway air quality. Both crash data and vehicle detection systems (VDS) data, which were obtained in 2012 from a Korean freeway located in a densely populated urban area, were used to determine the impact of traffic crashes on near-freeway air quality. MOVES and CALPUFF were adopted to estimate freeway emissions and air dispersion for crash-involved and crash-free traffic conditions. The contributing factors that affect the severity of emission dispersion were identified by regression analyses. Results show a community near freeways within a 1-km radius of crash locations was affected by traffic-related air pollution exposure. The regression analyses also showed crash characteristics, and weather characteristics affect traffic-related air pollution exposure areas. Finally, this study proposed traffic-related public health strategies to mitigate air pollutants generated from crash occurrences on freeways.
URI
https://www.sciencedirect.com/science/article/pii/S1361920917300986http://repository.hanyang.ac.kr/handle/20.500.11754/72499
ISSN
1361-9209
DOI
10.1016/j.trd.2017.09.013
Appears in Collections:
COLLEGE OF ENGINEERING SCIENCES[E](공학대학) > TRANSPORTATION AND LOGISTICS ENGINEERING(교통·물류공학과) > Articles
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