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What if we implemented a congestion charging scheme in Los Angeles? An epidemiological assessment and predicted impacts

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  • Kejriwal, Mayank

Abstract

This study investigates the potential health impacts of implementing a hypothetical Congestion Charging Scheme (CCS) in Los Angeles (LA), a city facing significant traffic-related air pollution. Traffic emissions are a major source of pollutants like particulate matter (PM10), carbon monoxide (CO), and nitrogen dioxide (NO2), which have been linked to respiratory and cardiovascular diseases. Utilizing intervention-based epidemiological study designs, the research estimates the effects of a proposed 25% traffic reduction in downtown LA. Simulated results indicate a substantial decrease in NO2 and PM10 levels, with predicted increases of 1,263.58 years of life gained (YLG) in the greater LA area over a decade. The discussion highlights the potential of CCS to not only reduce pollution but also address socio-economic disparities in health outcomes. This model could serve as a blueprint for other urban areas considering similar policy interventions.

Suggested Citation

  • Kejriwal, Mayank, 2025. "What if we implemented a congestion charging scheme in Los Angeles? An epidemiological assessment and predicted impacts," SocArXiv fk9wm_v2, Center for Open Science.
    • Handle: RePEc:osf:socarx:fk9wm_v2
    DOI: 10.31219/osf.io/fk9wm_v2
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