Changes of Private Car Use in Response to Travel Demand Management Tommy Gärling Göteborg University, Sweden 20/9/2004 Contact information: Tommy Gärling, Department of Psychology, Göteborg University, P.O. Box 500, SE-40530 Göteborg, Sweden Email: Tommy.Garling@psy.gu.se Keynote lecture presented at the 3rd international conference on traffic & transport psychology (ICTTP), Nottingham, UK, 5-9 September 2004