Travel demand management measures are some of the most promising transport policy measures in conurbations, especially in consideration of climate change, clean urban transport and congestion avoidance. Setting targets for reducing traffic or prospective traffic growth is a basic requirement to fulfil these goals and is a priority on the political agenda. Many activities of the European Commission and of national and local governments in Europe and all over the world support this development. But that the political decision and implementation process of TDM measures is difficult, especially when pricing measures at car drivers' expenses are considered. This book disseminates the latest research results and developments in the different fields of TDM and includes sections of voluntary behaviour change, innovation in transport policy and an evaluation of travel demand management measures.