The present special issue is based on papers presented at the Interdepartmental Centre for Research on the Economics of Institutions (CREI) workshop on Transport choice analysis: models and policy implications held on November 4th 2009 in Roma Tre University, Faculty of Political Science. CREI was created within the University of Roma Tre to promote the economic analysis of institutions and their decision-making processes, and of national and international public policies. Its main activities include research projects, seminars and conferences, higher education and training, policy advice and consulting. The workshop is one of a series of events organized by CREI in the field of transportation, which is becoming key topic in the array of events promoted.