The driver is facing penalty points and fines.
A Laois motorist has been caught speeding twice in one day.
The Laois Roads Policing Unit detected the driver travelling at 154 kmph westbound on the M7 yesterday.
A number of hours later, while conducting a separate speed check on the eastbound carriageway, gardaí clocked the same motorist travelling at 154 kmph again.
They're now facing six penalty points and €160 in fines.