Road investment and safety in middle- and high-income countries in the framework of sustainability

Abstract The rise of economic growth and transport activities worldwide has led to an increase in reliance on vehicles. However, are associated with several negative impacts, road safety being a major environmental-societal issue. main aim this study is investigate possible relationship between investment infrastructure mortality rate due accidents. To assess the resources invested roads, analysis was conducted two separate groups: middle-income high-income countries. World Road Statistics 2017, IRF, period 2010-2015, provided data for impact expressed specific indicators casualties. Mortality used as dependent variable, while independent variables were: percentage paved density total network, proportion highways. parameter roads indirectly by categorization middle- In countries, provision network increases mobility, thus exposure risk possibility accident increases. highway significant reducing rate.