1 INVESTIGATION ON THE CAPACITY CONSUMPTION AT DUTCH RAILWAYS FOR VARIOUS SIGNALLING TECHNOLOGIES AND TRAFFIC CONDITIONS Rob M.P. Goverde a , Francesco Corman bc , Andrea D’Ariano d* a Department of Transport and Planning, Delft University of Technology, The Netherlands b Centre for Industrial Management, Katholieke Universiteit Leuven, Belgium c Department of Maritime and Transport Technology, Delft University of Technology, The Netherlands d Dipartimento di Ingegneria, Università degli Studi Roma Tre, Italy * Corresponding Author