The action comes as Irish Rail plans to introduce new rosters for a 10 minute service at the company
SIPTU DART drivers are set to go on strike amid a dispute over rosters.
The union - which represents around half of DART drivers - says its members have voted unanimously in favour of the action over Irish Rail's plans to introduce new rosters for a 10 minute service at the company. The new rosters are due to come into effect from April 10th.
Drivers say the change should be an integral part of productivity discussions - which lead to action by train drivers last year.
SIPTU has yet to announce the details of its strike.
Paul Cullen, SIPTU organiser, said, "our members see the introduction of a 10 minute DART service as an issue which should be an integral part of discussions on increasing productivity.
"Our members are deeply disappointed that the management of Irish Rail seems intent on provoking further conflict with workers. This is despite the Labour Court proposing a negotiation process which aims to create a forum where solutions can be found to productivity issues at the company," he added.
However, Irish Rail says the issue has nothing to do with productivity.
Head of Corporate Communications Barry Kenny says new drivers have been trained up to take on the extra work: