A survey of 21,000 passengers by the National Transport Authority is suggesting Iarnrod Eireann could be losing out on over 12 million euro a year.
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 euro a year because of fare evasion.
The research found DART and commuter services are where passengers are most likely to dodge paying their fare, with 6 in every 10 not paying for their journeys.
Irish Rail's Barry Kenny says the figures are in line with international norms:

Over 23,000 Teachers Beginning Industrial Action Today
New Funding Announced For Youth Services And Counselling In Kildare On World Mental Health Day
Jury In Triple Murder Trial Of Louth Family Sent Home
Appointment Cancellations Expected As Strikes To Take Place Next Week
Families Face Delays Arranging Funerals Amid Pressure On Post-Mortem Services
Media Minister Says Meeting With RTÉ Was "Positive" Amid €20M Funding Cut
Man (51) Accused Of Healy-Rae Assault Granted High Court Bail
Nurses At Naas And Nine Other Hospitals Set To Protest Over Pay