Iarnród Éireann has warned passengers using Dublin rail services that Pearse and Tara Street stations will be closed all day on Sunday due to track improvement work.
There will be no Dart services between Connolly and Grand Canal Dock. Trains will run from Howth and Malahide to Connolly and from Grand Canal Dock to Bray and Greystones.
All Maynooth and Northern line commuter services will operate to and from Connolly Station only.
Iarnród Éireann is providing shuttle bus services between Grand Canal Dock and City Centre.
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Services between Connolly and Rosslare Europort services will operate with bus transfers between Connolly and Greystones.
Iarnród Éireann apologised for any inconvenience.