Studies also showed that almost 90% of under 18s are not paying for rail journeys.
Almost 90% of under 18s aren't paying for their rail journeys.
A survey of 21,000 passengers by the National Transport Authority is suggesting Iarnrod Eireann could be losing out on over €12 million a year because of fare evasion.
The Portlaoise to Dublin commuter route had the third highest evasion rate in 2022, at 11.5%.
Three in 20 passengers on the Cork to Mallow line didn't have a valid ticket when checked, while the Cork to Middleton route was also among the highest, at 12.6%.
The stations which saw the highest rate of evasions was Gormanstown, at 64%.
Irish Rail's Barry Kenny says the figures are in line with international norms:
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