Iarnród Éireann Announces Rail Engineering Works for June Bank Holiday Weekend Affecting DART and Intercity Services (transportforireland.ie)

• DART suspended between Connolly and Greystones; 19 stations closed.
• Enterprise service replaced by buses between Connolly, Drogheda and Dundalk.
• Rosslare services replaced by buses between Connolly and Bray.

"Iarnród Éireann will carry out engineering works from 30 May to 1 June 2026 on two sections: between Dublin Connolly and Greystones (track renewal, retaining wall, overhead line and substation renewal) and between Drogheda and Dundalk (track renewal and earthworks). As a result, DART services will not run between Connolly and Greystones, with 19 stations closed. The Enterprise service between Connolly and Belfast will be replaced by buses between Connolly, Drogheda and Dundalk. Rosslare services will also be replaced by buses between Connolly and Bray. Passengers are advised to use alternative transport or allow extra time."