XIX међународна конференција Безбедност саобраћаја у локалној заједници (стр. 165-176)
АУТОР(И) / AUTHOR(S): Jose Ignacio Nazif-Munoz, Vahid Najafi Moghaddam Gilani, Ernani Choma, José Guillermo Cedeno-Laurent, Jack Spengler
DOI: 10.46793/RSafLC24.165NM
САЖЕТАК / ABSTRACT:
Climate change profoundly affects various aspects of life, prompting increased research into its impact on traffic safety. Understanding the association between climate change, particularly heatwaves, and traffic collisions requires robust methodologies encompassing different urbanization features. This study focuses on five major cities in Québec to assess the relationship between heatwaves and traffic crashes. A case time series design was employed to analyze data from May to September between 2015 and 2022, incorporating two types of heatwaves based on daily mean temperatures. Data on traffic crashes, injuries, and fatalities were sourced from the Société de l’assurance automobile du Québec (SAAQ). Control for non-pharmaceutical COVID-19 interventions was also considered using the QC-nP-COVID-19 index. The results reveal a positive association between heatwaves and traffic collisions in Montréal and Longueuil, with respective increases of 10% (95% CI: 3, 17%) and 9% (95% CI: 1, 16%) on heatwave days compared to non- heatwave days. Significant increases in traffic injuries were observed in Montréal and Longueuil during heatwave days, with Incidence Rate Ratios of 5 (95% CI: 1, 9) and 11 (95% CI: 5, 26) respectively. However, heatwaves were not associated with changes in traffic fatality outcomes across all cities. The findings in Montréal and Longueuil may suggest a potential „urban heat island effect,“ emphasizing the need for consistent consideration of this phenomenon in road safety studies and interventions. This study underscores the importance of addressing the impact of heatwaves on traffic safety, particularly in urban areas, to mitigate negative outcomes and improve overall road safety.
КЉУЧНЕ РЕЧИ / KEYWORDS:
Heat waves, road safety, COVID-19, Traffic crashes, Injuries, Fatalities
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