Irish Rail has warned of changes to train schedules this May Bank Holiday weekend.
Customers have been advised to check departure times before travelling on all routes.
Track renewal works between Hazelhatch and Newbridge, and between Clongriffin and Malahide will see bus transfers on all Intercity trains to/from Heuston, and no trains operating between Howth Junction and Malahide.
Customers have been asked to watch out for the following arrangements on the Heuston routes on Saturday and Sunday.
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Heuston to Cork/Limerick/Kerry: bus transfers will operate between Heuston and Newbridge
Heuston to Galway/Westport/Ballina: bus transfers will operate between Heuston and Kildare
Heuston to Waterford: Bus transfers will operate between Heuston and Athy
Heuston to Kildare commuter services: Will operate between Heuston and Hazelhatch only
There will be no Dart services operating between Howth Junction and Malahide.
Dublin bus will accept rail tickets for affected areas.
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Howth to Bray/Greystones will operate to a normal schedule, with additional services between Howth and Howth Junction.
Bus transfers will operate between Connolly and Malahide, with trains between Malahide and Drogheda/Dundalk, to a revised schedule.
Bus transfers will operate between Connolly and Drogheda, with trains between Drogheda and Belfast.
On Bank Holiday Monday DART and Dublin Commuter services will operate to a Sunday schedule, with alterations on Commuter routes.
A normal schedule will operate on all other routes on Saturday and with some minor alterations on Sunday.
