# Does road safety cointegrate with socio-economic conditions in rich developing countries?

**Authors:** Ibrahim Abdalla Alfaki, Michal Grivna, Mohamed El Sadig

PMC · DOI: 10.1371/journal.pone.0341441 · PLOS One · 2026-01-23

## TL;DR

This study shows that road safety in wealthy developing countries like the UAE is closely linked to socio-economic factors, suggesting policies should address these broader issues.

## Contribution

The paper introduces a novel ARDL cointegration model to analyze road safety in affluent developing countries, revealing long-term socio-economic determinants.

## Key findings

- A long-term equilibrium exists between socio-economic factors and road safety in the UAE.
- Road safety adjusts to socio-economic shocks at a 60% annual rate.
- Socio-economic factors significantly influence road safety outcomes, with an upward trend in crash severity.

## Abstract

Despite significant progress in road safety in developed countries, it remains a persistent and critical challenge in the developing world. This study investigates the long- and short-term relationships between socio-economic conditions and road safety performance in affluent developing countries, using the United Arab Emirates (UAE) as a case study. Employing an autoregressive distributed lag (ARDL) cointegration error-corrected model with data from 1980 to 2024 (sourced from the UAE Federal Government, the World Bank, and UN World Population Prospects), the analysis examines the link between the road crash severity index (fatalities to total injuries) and core socio-economic variables—GDP per capita, unemployment rate, and population density—while controlling for traffic law enforcement via fines. The findings confirm a long-term equilibrium, with an error correction term indicating road safety adjusts to socio-economic shocks at a rapid annual rate of 60%. Granger-causality tests further establish that these socio-economic factors significantly influence road safety outcomes, a concern underscored by an identified upward trend in crash severity. We conclude that socio-economic conditions are a fundamental determinant of road safety, highlighting the necessity for policy interventions that move beyond traditional engineering solutions. Consequently, road safety must be reframed not solely as a transportation concern but as an integral objective of public health and socioeconomic policy, which requires a collaborative, multi-sectoral approach to forge a resilient, safe system.

## Full-text entities

- **Diseases:** Crash (MESH:C536029), Road traffic injuries (MESH:D014947), shock (MESH:D012769), death (MESH:D003643), fatalities (MESH:C565541)
- **Species:** Homo sapiens (human, species) [taxon 9606]

## Full text

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## Figures

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## References

58 references — full list in the complete paper: https://tomesphere.com/paper/PMC12829819/full.md

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Source: https://tomesphere.com/paper/PMC12829819