SIPTU is meeting the Junior Transport Minister today to discuss the potential for a transport police force.
Earlier this year, the union found 80 per cent of their members in the sector experienced abuse while at work.
There have been a number of antisocial incidents on the Connolly - Sligo line in recent months.
At the Fianna Fail Ard Fheis, the Tanaiste said the Government would move forward with plans for a Garda unit dedicated to stamping out anti-social behaviour on trains and buses.
SIPTU's John Murphy says the current level of security on public transport leaves workers and passengers vulnerable: