It comes after discussions aimed at resolving the ongoing dispute over pay and conditions between the company and unions broke down at the LRC last night.
The NBRU says the talks ended as a result of an unwillingness on the part of Irish Rail to engage with drivers on the productivity element of the agreement brokered on the 3rd of September last year.
However, Barry Kenny from Irish Rail says the company is losing one million euro each month and a more sensible approach is required.
