 This replaces a former plan for a two-line system set out in the Irish government's 2005 Transport 21 plan.The plans included a North line, proposed to run from St. Stephens Green to Swords via Dublin Airport and the City's Northern Suburbs, With a West line forming an orbital route linking Tallaght with Dublin Airport via Clondalkin, Lucan, Blanchardstown, Finglas and Ballymun.It is proposed to link up several commuter links (Rail, DART, Luas, Metro and Bus routes) that lead North, West and Southwest of the city.