Date of Award:
Master of Science (MS)
Civil and Environmental Engineering
Soukaina Filali Boubrahimi
The impact of area-wide air pollution on multimodal traffic volumes has been underexplored. Thus, this research investigates the effect of area-wide air pollution on pedestrian volumes, motor volumes, and transit ridership across two urban areas in Utah for two years (2018 and 2019). The research employed multilevel modeling to study this effect. The model results showed an overall decrease in pedestrian volumes in both study areas, while driving volumes saw both increases and decreases in different locations. Transit ridership saw an increase during days with moderate air quality in one particular study area. Median income, vehicle ownership, and higher street connectivity were significant players in defining variations in the relationships between air quality and multimodal traffic volumes across different locations. Our findings suggest policy implications (air quality alerts and voluntary behavior change encouragements) for various locations and the scope of future research to better understand the relationships between air quality and multimodal traffic volumes.
Tiwari, Prachanda, "Impacts of Area-Wide Air Pollution on Multimodal Traffic: Comparing Pedestrian, Motor Vehicle, and Transit Volumes in Utah" (2023). All Graduate Theses and Dissertations, Fall 2023 to Present. 32.
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