That's according to the National Transport Authority, which says it's been an ongoing issue for over 18 months.
Tim Gaston from the NTA said the gangs were coming to Ireland specifically for the purpose of increasing their social media profiles.
Mr. Gaston says Irish Rail and its security have worked very closely with Gardai, and have arrested several of the graffiti artists.
Bray Library Gets 3 Million Euro Investment
Taoiseach Simon Harris has announced €3 million in funding for Wicklow County Council’s Ballywaltrim Library.
Battery Electric DART For Wicklow Under Review.
The National Transport Authority has said the DART extension to Wicklow Town is still under active review
Wicklow's Hozier Reaches Number One In US Charts
Hozier has become the fourth Irish artist to reach number one in the US.
Over One Million Euro For Wicklow Roads Improvement Scheme.
Taoiseach Simon Harris has announced an extra €1,279,015 for repairs and improvement works on non-public rural roads under the Local Improvement Scheme.
Bray Schools Get Increased Teaching Hours
Two special schools in Bray have been named among almost 90 across Ireland that will benefit from increased post-primary teaching hours
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