During February, there were 5,918 National Car Tests carried out in Donegal.
2,788 passed this test, while 2,679 failed and 451 failed dangerously.
Letterkenny was the busiest test centre, carrying out 2,653 inspections, where 212 failed dangerously.
Carndonagh held the fewest tests at 718, with 42 failed dangerous tests.
