Lappeenranta University of Technology Kouvola Unit coordinates the Public Stakeholder Research. WP3 investigates the public sector perspectives towards development of transport networks in BSR. It explicates the structures of the public sector decision-making processes in transport development covering rail, road, sea and air. By identifying the relevant national, transnational and EU-level public sector actors, and their roles and attitudes in the decision-making processes, WP3 provides distinctive knowledge on the public sector’s decision-making procedures related to development of transport in the BSR. WP3 also provides an analysis on the cooperation and networks of the public sector stakeholders both on national and transnational level. The qualitative research study of the WP3 covers the main public sector actors in all Rail Baltica countries. It involves public organizations from different levels, including EU-level institutions, e.g. DG MOVE, DG REGIO to reflect their roles and perspectives towards development of RBGC-concept.