Policy aspects of driver support systems implementation: results of an international Delphi study

Driver support systems are generally assumed to contribute to public traffic goals. However, much uncertainty exists about their future: technology development, market introduction and impacts on driver and traffic behaviour. An international Delphi study, collecting expert opinions on these issues, is describe this paper. In three rounds opinions were collected from 50 experts from USA, Japan and Europe. The article focuses on market introduction, driver behaviour, general barriers and policy options.