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.
UPDATE: Crews Working To Restore Supply To North Wicklow After Burst Water Mains In Newtownmountkennedy
Uisce Eireann says a complex burst on a busy route has seen some water outages for North Wicklow customers and traffic disruption for motorists.
Have You Seen The Preferred Wicklow to Greystones Greenway Route?
It's available online and in person at events next week.
Wicklow Winners Reflect Memorable Year For National Lottery
Plenty of Garden County riches were bestowed upon Lotto players in 2025
Gardaí Seek Assistance In Search For Missing Newtownmountkennedy Teenager
Please help locate missing Megan
Could A Revised Wicklow County Development Plan Impact You?
The deadline for submissions on the Wicklow County Development Plan 2022-2028 is close of business this Friday Jan 16th.
Sunny intervals
High: 8°C | Low: 3°C
Sunny intervals
High: 8°C | Low: 3°C
Sunny intervals
High: 8°C | Low: 2°C
Sunny intervals
High: 7°C | Low: 2°C
Sunny intervals
High: 7°C | Low: 2°C
