A retrospective study on road traffic injuries in the Republic of Serbia during the COVID-19 lockdown
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Summary
This retrospective study analyzed the impact of COVID-19 lockdown measures on road traffic injuries (RTIs) in the Republic of Serbia during 2020, with a specific focus on April 2020, when the most stringent restrictions were enforced. Motivated by the global burden of RTIs and the significant alteration of traffic patterns due to pandemic-related stay-at-home orders, the researchers sought to determine if injury frequencies and characteristics changed during this period. The study utilized public data from the National Traffic Safety Agency of Serbia, the Bureau of Statistics, and Johns Hopkins University. Researchers compared RTI data from January to December 2020 against reference periods consisting of the same months in 2019 and a five-year average (2015–2019). Injuries were classified as fatal or non-fatal, with fatalities defined as deaths occurring on the spot, during transport, or within 30 days of the incident. The analysis examined variables including age, gender, role (pedestrian, passenger, driver), mode of transport, location, and time of day. Statistical disparities were assessed using Chi-square and Fisher’s exact tests. The results indicated a substantial decline in RTIs throughout 2020. Total fatalities decreased by 8% compared to 2019 and 14% compared to the five-year average, while non-fatal injuries dropped by 16% and 15.5%, respectively. The most significant reductions occurred in April 2020, with fatalities and non-fatal injuries falling by 49% and 55%, respectively, compared to April 2019. Hourly analysis revealed that the sharpest decreases in injuries occurred between 8 pm and 4 am, coinciding with the curfew hours, as well as on weekends. Statistically significant changes were observed in the mode of transport and time of accident for fatalities, with notable drops in bus and truck-related deaths. For non-fatal injuries, significant differences were found in age, user characteristics, and time of day, with the decline being most pronounced among older individuals and during night/early morning hours. The study concludes that strict lockdown measures significantly reduced road traffic injuries in Serbia, particularly during curfew hours and weekends. These findings highlight the direct correlation between reduced traffic volume due to public health interventions and improved road safety outcomes, suggesting that traffic reduction strategies can be effective in mitigating RTI burdens.
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| Stage | Outcome | Tool | Model | Prompt | Attempts | Completed |
|---|---|---|---|---|---|---|
| discover | success | Crossref | — | — | 1 | 2026-06-20 |
| archive | success | canonical_url | — | — | 1 | 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