Bus crews will now decide when to take strike action after overwhelmingly voting for more industrial action.
Of 96 papers sent out, 73 were returned with a " yes" vote for action.
There were 3 against strike action and one spoilt paper, but twenty papers were not returned.
Whilst no decision has yet been taken, the TT period has been suggested as a possible target.
Unite spokesman Eric Holmes says very little has happened to try and resolve the dispute since the last industrial action