They were spotted speeding on the M7.
A disqualified driver has been arrested by Gardaí in Laois.
They were stopped by the county's Roads Policing Unit after being spotted travelling at 153 km/h on the M7.
Gardaí were monitoring the flow of the National Ploughing Championships traffic when they detected the speeding vehicle.
The driver has since been arrested and charged to appear before a sitting of Portlaoise District Court.