A number of Fixed Charge Penalty Notices were issued for tyre offences yesterday evening.
Gardaí & the RSA conducted a checkpoint outside Letterkenny.
An Garda Síochána have stressed that tyres are the only part of a vehicle that keep you in contact with the road surface.
It is recommended that you change your tyres when the tread depth falls below 3mm. The legal minimum tread depth is 1.6mm.