Community legislation is unquestionably a factor to be reckoned with in member-state policy making. But the extent and mode of its impact on domestic policies and administrative structures will depend on the existing policy practices and the political and institutional structures of the country...

Community legislation is unquestionably a factor to be reckoned with in member-state policy making. But the extent and mode of its impact on domestic policies and administrative structures will depend on the existing policy practices and the political and institutional structures of the country...

In this paper we describe how we included travel time variability in the national Dutch transport forecasting model and what the policy impacts of this new forecasting tool are. Until now, travel time reliability improvements for road projects were included in Dutch cost-benefit analysis (CBA)...