We're talking about a solution which really only applies to the Wicklow line though. Most of the other lines ex Dublin are optimised for at least 6x22 by having at least one platform of 170+m, and the branches for 90m/3x22. Is it really worth messing the fleet about to achieve this on one line, when the technology exists to add a big capacity boost to the line in the form of 6 car trains if only it would be fitted?
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