Over 3,500 people are waiting to take their driving test across Sligo, Leitrim and Donegal.
572 are waiting to sit their test in Co. Leitrim, 844 in Sligo and 2,122 in Donegal.
Of these, only 515 people are scheduled to take a test.
Sligo Independent Councillor, Marie Casserly says extra instructors are needed to deal with the backlog.