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.
Fianna Fáil TD Malcolm Byrne In Court Over Drink-Driving Charge
The Wicklow-Wexford TD was stopped at a mandatory checkpoint in Dublin City Centre last May.
Wicklow Pumped With Pride At IPD Awards
The Murrough Pump Track took first place in the Community Youth Initiative category.
Shimmer Boy Crowned 'A New Local Hero' 2026 At Dublin Finale
A New Local Hero is part of Irish Music Month, an initiative of Hot Press and the Independent Broadcasters of Ireland
Bray Wanderers Cruise Into First Division Playoff Final After Easing Past Kerry
Seagulls book Play-off Final spot with 5-1 aggregate win, with UCD next on Sunday
Lakers Is Back! Bigger, Brighter and Rebuilt.
Cue the celebrations! Lakers Sports & Social Club is marking the official completion of its rebuild and an exciting new chapter.
8:00pm - 10:00pm
Love Songs on the Coast
Heavy rain shower
High: 13°C | Low: 9°C
Light rain shower
High: 13°C | Low: 9°C
Light rain shower
High: 11°C | Low: 8°C
Sunny intervals
High: 11°C | Low: 5°C
Sunny intervals
High: 11°C | Low: 5°C