Train commuters have been warned routes will be revised over the Easter bank holiday weekend.
There will be changes on check times for all routes, including on Good Friday.
Major works will be taking place on the Grand Canal Dock to Bray route from Saturday, March 30 to Monday, April 1.
Irish Rail has announced there will also be bus transfers from Newry to Belfast from Saturday, March 30 to Sunday, April 7.
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