A number of checkpoints have been set up for Road Safety Work.
A number of motorists in Laois were issued with fixed charged notices on Monday for not having their tyres up to the legal standard.
The Laois Roads Policing Unit have been on checkpoints throughout the county as a part of Road Safety Week.
In Ireland, the minimum required tyre tread depth for a car on the road is 1.6mm.
The Road Safety Authority are advising people to run a 1 euro coin along the centre of their tyres and if the gold part of the coin is not visible, the tyres are road worthy.