Current research projects at the ZEPPELIN Chair of Economic & Transport Policy deal with different aspects of global issues in infrastructure and regulation. Thus, a research project carried out together with Professor Rhomberg addresses civic participation in large-scale infrastructure projects; two doctoral dissertations discuss regulatory problems of the railway sector as well as the long distance coach transport. Additionally, an interdisciplinary research project for the European Commission has dealt with the development of business models for pan-European travel information and booking systems.