Iarnróid Eireann is hoping to deliver a €16.7m flood defence system to serve the Ennis to Limerick rail line.
It follows the completion of a multi-agency study aimed at identifying a permanent solution to legacy issues along the track at Ballycar near Newmarket-On-Fergus.
The development will be subject to Department of Transport approval and exchequer funding, while works would be carried out by an external contractor.
Iarnróid Eireann Corporate Communications Manager Barry Kenny says the project is vital to maintain an essential and reliable service.
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