Given your declared love of the Irish public transport system, there can only be one choice...
It's funny you should mention that on a day I stuck in Maynooth for an hour waiting for a train, and then for about 20 minutes waiting for Train to actually ing move (and then not knowing for another 10 minutes whether I was actually going to Dublin (Connolly) or to Purgatory, sorry, Longford. I swear to god, Brits don't know how well they have it with their "Private Rail".
But as someone who lives on the Green LUAS line, it's not all bad. It's one of few the Irish have ever done with some competence.
As for Jas himself - I can only suggest he can go and:
!!!!!