Irish Rail received reports of the use of cocaine, ketamine and other drugs on trains last year.
They're among 277 anti-social behaviour complaints the company received in 2021.
Irish Rail got 258 complaints of antisocial behaviour in 2020 - rising to 277 last year.
Irish Rail says it works extensively with other agencies, including the gardai, to combat antisocial behaviour on trains.
Peter Thiel Event Will Not Go Ahead In Wicklow Hotel
Powerscourt Estate, where the five-star Powerscourt Hotel and Spa is located, announced the Dialog event has been cancelled - with relief.
Wicklow Receives €10.72 Million to Repair Roads Damaged by Storm Chandra
Wicklow Apprentice Wins ESB HGV Mechanic Apprentice of the Year
A wheely good result for Daniel Diamond from Glenealy!
Wicklow Takes Two Spots In Top Five As Ireland's Best Music Festivals Are Revealed
Beyond the Pale and Kaleidoscope wow the crowds with festival fever flair finishing top five in nationwide research
Short-Term Extension Of Fuel Excise Cuts For Wicklow Families And Businesses
Tanaiste says extending measures is to offset 'cliff-edge' fall for people and businesses while monitoring inflation
8:00pm - 10:00pm
Love Songs on the Coast
Sunny intervals
High: 22°C | Low: 14°C
Sunny intervals
High: 22°C | Low: 14°C
Sunny intervals
High: 25°C | Low: 13°C
Sunny intervals
High: 24°C | Low: 13°C
Sunny intervals
High: 25°C | Low: 13°C