It's a collaboration between An Garda Síochána and Iarnród Éireann.
Up to 50 gardaí are supporting transport staff around the country this afternoon in an effort to combat anti-social behaviour.
It's the first of a series of days that officers will be on-board DART, LUAS and commuter rail services in Dublin.
There will also be community engagement stands at a number of regional train stations, including Galway and Sligo.
It comes as Gardaí had to remove an abusive passenger from a train in Tullamore on Wednesday.
Communications Manager with Iarnród Éireann, Barry Kenny, says this will give customers more security at one of the busiest times of the week:
He adds it's all about keeping people safe:
Ryanair Chief Warns US Could Block Aer Lingus Flights Over Airport Cap
Gardaí Suspect Dublin Crime Gang Member Over Midlands Double Stabbing
Midlands Trails Behind On IDA Employment Numbers
Minister For National Drugs Strategy Pledges Gardai Drug Specialists
Offaly Chef Criticises Government School Lunches
Offaly GAA Club Hosting Drive-In Bingo This Weekend
Laois County Council Launch Bat Lovers Group
Argentine Ambassador To Visit Westmeath Library
Westmeath Children's Charity Awarded For Sustainability
Longford-Westmeath TD Condemns Explicit AI Images
Jury Delivers Not Guilty Verdict By Reason Of Insanity In Laois Murder Trial
Westmeath Matchmaker Shares Top Valentines Day Tips
Farmer Concerns Mount Over Slurry Storage Capacity
Jury For Laois Murder Trial Told Evidence Points "One-Way"
Scene Of Offaly Crash Cleared
Family Of Midlands Man Seek Answers On Psychiatric Care System Gaps
Westmeath Mansion Worth Over €1.7m Hits Housing Market
Laois Councillor Criticises Government Response To Flooding
Laois Protesters Host Anti-Hunt Ball
Midlands 103 Reaches 112k Weekly Listeners In Latest JNLR Report