The car is becoming more dominant as a transport mode for older people, but there are differences among countries, especially between Europe and the United States. In Europe, walking is still an important transport mode for older people, with 30-50% of older people’s trips made on foot (~80% of trips of persons over 80 in the Austrian study are made on foot, see Bell et al. There are differences even within countries, town planning and access to public transport have the potential to influence mode choice in the direction of less dependence on the car (Mollenkopf et al.