Irish Rail is appealing to Graffiti artists to stop drawing on its trains.
A quarter of a million euro has been spent on removing graffiti from trains so far this year.
Trains right around the country are being hit but it's a major problem in the Dublin area.
The figure doesn't cover removing graffiti from buildings - bridges and tunnels.
Rita Butterly - Corporate Communications Manager with Iarnroid Eireann - says a number of measures are already in place to prevent the graffiti happening in the first place:
