The drivers are voting on proposals which would see them receive pay rises of up to 18.7 per cent over 33 months.
The result of their ballot – on whether or not they will accept the package – is due later today.
It comes as Dart Drivers have threatened industrial action over plans to introduce a new roster without a pay rise.
Mark Gleeson who represents rails commuters says they are sick of being used as pawns in disputes by drivers at Irish rail and Luas.
