7 services affected, daily.
Irish Rail is conducting engineering works on the Kildare line until Thursday.
It will mean disruption to some services between Portlaoise and Heuston.
The services affected are:
22:10 Heuston to Portlaoise will operate to Kildare only, bus transfer direct from Kildare to Portlaoise, second bus transfer from Kildare to Monasterevin, Portarlington and Portlaoise
21:25 Portlaoise to Heuston is cancelled
22:30 Portlaoise to Heuston will commence from Kildare at 23:05hrs
19:25 Cork to Heuston will call additionally at Portarlington and Kildare
20:25 Cork to Heuston will call additionally at Portarlington and Kildare
Full details are here

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