All trains from Cork and Limerick have been sold out for tomorrow morning, in advance of the Munster match in Aviva stadium.
Rugby fans heading to the Munster V Saracens game have booked out all trains from Cork and Limerick.
Iarnrod Éireann has released a statement saying only those with a valid reservation will be allowed to travel tomorrow and advised anyone who has not already arranged tickets to postpone their journey until late afternoon.