Letterkenny Roads Policing Unit detected a number of offences over the weekend including one driver testing positive for cocaine.
With the help of the new mobility app they detected a vehicle that has had no tax for 2 1/2 years and no valid NCT. This vehicle was also not insured.
The mobility app also helped in the detection of a driver who was driving whilst disqualified and they now face charges of driving without a driving licence and no insurance.
Donegal gardaí say court appearances will follow in all these cases.
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