I suspect any savings on the LJ-Waterford line will be of a strictly one-way-street variety. As for potential, the only hope for that line is that IE do something with it before the N24 gets improved. The Nenagh/Roscrea branch has the much stiffer challenge of the M7 to contend with.
Is there any possibility that similar speed limit raises are contemplated across the board, so that for example morning Waterford-Limerick Junction service could continue to reach the Junction ahead of an accelerated 0730 ex Cork?
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