The Impacts of Climate Change on Road Traffic Accidents in Saudi Arabia
DOI: 10.3390/cli7090103
archive: archived pipeline: cataloged verified
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Summary
This study investigates the impact of climate change on road traffic accidents (RTAs) in Saudi Arabia, addressing a significant gap in literature regarding arid regions. Despite high RTA-related mortality and frequent climatic events in the Kingdom, no prior empirical research had examined how climate variables influence traffic safety in this context. The research aims to quantify these impacts to inform mitigation and adaptation policies, supporting Saudi Arabia’s Vision 2030 goals for sustainable development. The authors analyzed annual panel data from 2003 to 2013 across 13 regions of Saudi Arabia, comprising 143 observations. Data sources included the World Bank, the Saudi Ministry of Interior, and the Presidency of Meteorology and Environment. The study employed panel regression models—specifically fixed effect, random effect, and pooled ordinary least squares—to assess the relationship between climatic variables (average temperature, average rainfall, and frequency of sandstorms) and RTA outcomes. The models also accounted for the total number of vehicles and distinguished between inside-city and outside-city accidents, as well as specific injury and death categories (pedestrian, cyclist, motorcyclist, and motor vehicle). The results indicate that temperature, rainfall, sandstorms, and vehicle volume are statistically significant drivers of RTAs in Saudi Arabia. Specifically, increases in average temperature, rainfall, and sandstorm frequency positively correlated with higher accident rates. Inside-city accidents were found to be more frequent than outside-city accidents and were the only category significantly associated with fatalities, whereas both inside and outside accidents significantly contributed to injuries. Furthermore, deaths resulting from RTA injuries were statistically significant only for motor vehicle accidents. Cyclist and motorcyclist deaths were significantly linked to inside-city accidents, while pedestrian deaths showed no significant statistical link to the measured accident types. The findings underscore that climate change poses a tangible risk to road safety in Saudi Arabia by exacerbating accident frequencies through physiological effects on drivers, reduced visibility, and hazardous road conditions. The study concludes that policymakers should implement adaptation measures such as improved road infrastructure to handle waterlogging, enhanced public awareness campaigns, and dedicated cycling lanes. These actions are critical for mitigating the negative impacts of extreme weather on traffic safety and achieving sustainable transport systems in arid regions.
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| Stage | Outcome | Tool | Model | Prompt | Attempts | Completed |
|---|---|---|---|---|---|---|
| discover | success | OpenAlex-citations | — | — | 1 | 2026-06-20 |
| archive | success | openalex | — | — | 5 | 2026-06-26 |
| extract | success | cached | — | — | 2 | 2026-06-26 |
| clean | success | clean | — | — | 1 | 2026-06-20 |
| chunk | success | chunk | — | — | 1 | 2026-06-20 |
| embed | success | embed | Qwen/Qwen3-Embedding-8B | — | 1 | 2026-06-20 |
| promote | success | — | — | — | 1 | 2026-06-20 |
| summarize | success | llm | qwen3.6-27b-prismaquant | summ-v5 | 1 | 2026-06-26 |
| tag | success | vector_similarity | — | — | 6 | 2026-06-20 |
| verify | success | — | — | — | 1 | 2026-06-26 |
Summary generated by qwen3.6-27b-prismaquant on 2026-06-26; verification: verified.
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- Empirical Findings: crash risk outcomes