Exploring the Dynamics of Governance-Related Uncertainties and Stakeholder Interaction in Regional Transport Planning: The Case of RegioExpres

Abstract

This thesis investigates how governance-related uncertainties and stakeholder interaction dynamics mutually influenced each other in the planning of the RegioExpres project, a high-frequency regional rail initiative in the Dutch province of Gelderland. Focusing on two planning phases (2018–2025), the study examines how uncertainties—namely problem framing ambiguity, role ambiguity, regulatory complexity, and financial uncertainty—emerge and evolve over time. Using document analysis and expert interviews, four types of uncertainty are analyzed in relation to interactional dimensions such as trust, deliberation, leadership, and mutual understanding. Findings reveal that while early coordination among regional actors remained intact, procedural and financial uncertainties increasingly strained interaction with national institutions and affected public trust. Informal leadership and protective local action emerged where formal coordination proved insufficient, especially in response to resident concerns. The study concludes that managing uncertainty in complex infrastructure planning requires not only procedural clarity, but also inclusive framing, responsive communication, and sustained engagement across governance levels.