The project is expected to facilitate regional integration by means of a railway link from Helsinki that would link Tallinn, Riga, Kaunas, Warsaw and Berlin and might potentially be extended to Venice.
"Rail Baltica" projekts paredz jaunas 1435 milimetru jeb Eiropas standarta platuma dzelzceļa līnijas izbūvi Baltijas valstīs, lai ar ātru un videi draudzīgu dzelzceļa transporta satiksmi savienotu metropoles Tallinu, Rīgu, Kauņu, Varšavu un Berlīni.