Irish Rail are in the early stages of planning for DART South West and have, by all accounts, ruled out including a station in Ballyfermot, notwithstanding that such a thing would improve this area that is starting to gentrify.*
But don’t worry, in co-operation with Dublin City Council, they have permitted a plaque commemorating a civil war event to be placed on the bridge that, if the current plans come to pass, will need to be demolished to allow the DART, that won’t serve Ballyfermot, to be built.
* From 2018-2021, I lived in Ballyfermot (on the Kylemore Road about 750m from the Le Fanu Road bridge). Societal changes brought about by COVID saw me leave the area.