The Chief Executive of the Department of Community, Culture and Leisure hopes this will be the only strike action.
But Nick Black admits there is the possibility more industrial action may follow.
He says his department will be as flexible as possible with the drivers and hoped to progress the drivers’ suggestion of changing sick pay entitlement - something ruled out by the union.
Mr Black has again reiterated his department has to make £300,000 worth of savings.
Former Red Arrows pilot recalls engine cut-out
Andy Wyatt was taking part in a display for the TT
Auditor General criticises lack of progress
Current frameworks lacking requirements of international standards
TT footbridge removal to close busy junction
St Ninnian's crossing to be taken down this weekend
Ed Space to create two full-time positions with £50,000 grant
The charity is supported by 70 volunteers and has 150 attendances at weekly sessions each month