It combines the original Metro North project running between Swords and Dublin City, and a southside extension that was to run as far as Sandyford. But if there is already a Luas Green line, why is it being replaced with a MetroLink? The Luas Green line has some issues with commuters having trouble squeezing on to the trams some mornings. The question is more likely to be what might replace the southside portion of the MetroLink project. It’s not quite sticking a pin in a map but supporters of the rail project believe the southern segment should simply be moved in another direction.

Source: The Irish Times February 21, 2019 19:09 UTC