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.
Tender Issued For DART Charging Infrastructure In Wicklow Station
Rail traffic will be transformed with far greater connectivity between Dublin city centre and Wicklow town
Almost 1,200 Wicklow Children Waiting for Early Years Places
Staff turnover in Wicklow crèche settings is well above the national average
Wicklow Hosepipe Ban Extended As Supplies Remain Under Pressure
Uisce Éireann says another month of shorter showers, reduced use of washing machines, and using a watering can is needed.
Wicklow Rents Rise Again As National Market Cools
Rental Market Report for the Second Quarter 2026 — based on the Daft.ie Rental Report
UCD Study To Lay Bare The Blight Of 'Sheep Worrying' Across Wicklow
There's hardly a sheep farmer in Wicklow who hasn't been affected according to expert
4:00pm - 8:00pm
East Coast Drive
Sunny intervals
High: 19°C | Low: 16°C
Sunny intervals
High: 18°C | Low: 16°C
Sunny intervals
High: 19°C | Low: 15°C
Sunny intervals
High: 20°C | Low: 14°C
Sunny intervals
High: 20°C | Low: 14°C