Interactions of environmental and safety measures for sustainable road transportation

Purpose: This study examined interactions of environmental and safety measures for road transportation. Method: Road-safety effects of various measures targeting environmental problems of road transportation and environmental effects of various road-safety measures were reviewed. Results: The results showed that a vast majority of the examined measures support both policy objectives and thereby contribute effectively to sustainable transportation. However, there were also measures with conflicting effects, although the number of those measures was limited. In addition, there were a number of measures with no interaction. Furthermore, many potential effects were not documented and therefore in many instances only likely effects were noted. Conclusion: There are two practical implications of this study. First, those measures that result in double benefits should be encouraged to be implemented. Second, in case of conflicting measures, the specific implementations should attempt to minimize the negative effects. © 2012 The Author(s).