A Cost-benefit analysis has been released by the European Road Safety Observatory as prepared by the SafetyNet project. A recent road safety impact assessment is used to illustrate the findings of cost-benefit analyses of road safety measures, showing which measures are found to be the most cost-effective. There is still a large potential for improving road safety by using cost-effective road safety measures. Analyses in Norway and Sweden – both of which are comparatively safe countries – suggest that fatality reductions of about 50 % can be realised by applying cost-effective measures.