Complexity and uncertainty are key issues in exploring future developments. Moreover, although the future cannot be predicted, it is clear that certain decisions/actions can influence the future in desired directions. In this respect, planners are being challenged to focus on the development of...

In general terms, the general Common Transport Policy (CTP) objectives of the European Union may be formulated in efficiency, regional development and environmental categories. Setting objective targets in the environmental field based on scientific evidence is not yet possible, so that it is...