Dublin Bus users are facing curtailed services tonight ahead of a 48 hour stoppage by drivers.
Services will terminate at 9 tonight, 3 hours before the strike officially begins.
Dublin Bus says it needs to recall buses to depots around the city before the action starts at midnight.
Unions are calling on the Transport Minister to take a proactive approach to the dispute at the company.
Dermot O'Leary of the NBRU claims the move is provocative: