Sustainability as an unambiguous policy goal is not a priori secured, as is clearly shown in the transport sector, where the negative externalities are still increasing despite official policies aiming at a reduction of these external costs and at the achievement of a sustainable transport...

When we examine urban growth we often consider the dual relationship between variables that induce growth and variables that halt it. In this paper, we assume a mutual dependence between transportation costs and urban form, and by applying the morphogenetic algorithm, we determine the dynamic...

Recent research suggests that during the past decades the average travel time of the Dutch population has probably increased. However, different data sources show different levels of increase. Possible causes of the increase in average travel time are presented here. Increased incomes have...