A backlog is adding to the problem with long waits between final lessons and the test itself.
An overhaul of the driving test is on the cards.
It's expected that changes could be introduced in response to the increased road deaths this year.
Kevin Hogan, Managing Director of Ladybird Driving School, says the quality of younger drivers is the worst he's seen in 30 years.
He says the backlog is adding to the problem with long waits between final lessons and the test itself.

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