Tens of thousands of people will have to find alternative transport this weekend as Luas strikes are set to go ahead.
In the past hour drivers at the company voted overwhelmingly to reject a pay deal of up to 18.7 per cent over 33 months.
As a result no trams will operate on Easter Sunday or Monday just as Dublin prepares to celebrate the centenary of the Easter rising.
In a statement this evening SIPTU says there's been a complete breakdown in trust between the drivers and management.
While Transdev has expressed its shock and says the decision has serious implications for the company.
Transdev MD Gerry Madden says that there is now NO scope for further improvement on pay proposals;