A rail strike looks likely to go ahead later this week.
Irish Rail drivers will meet today to decide what form of industrial action they will take.
There is speculation the action will be two work stoppages.
The first stoppage to be for three hours at an unspecified time on the Friday of the October Bank Holiday Weekend, before a second day of action a week later.
It comes after members of SIPTU and The National Bus and Rail Workers Union voted overwhelmingly on Monday for industrial action, in a dispute over payment for past productivity.
Members of SIPTU voted 92% in favour while members of the NBRU backed the strike by 95%.
Martin Wall spoke to Newstalk.com's Breakfast Show:
SIPTU Organiser Paul Cullen says that they have done all they can to resolve this issue: