Members of the National Bus and Rail Union and SIPTU will engage in a 48-hour work stoppage from Sunday – over Labour Court-backed pay cuts.
They're also threatening to hold two 24 hour stoppages on the days of both All Ireland finals next month.
Irish Rail's Chief Executive will return from holiday early tomorrow to lead the company's response.
Spokesperson Barry Kenny says Irish Rail is open to talks – but the pay cuts must go ahead.
