The operation ran for 24 hours.
Almost 690 drivers were caught speeding on National Slow Down Day.
The operation began at 7am yesterday and ran for 24 hours.
Examples include a driver travelling at 151km/h in a 100km/h zone on the N4 Clongawny Mullingar.
Another motorist was caught speeding 112km/h in a 80km/h zone on the R430 Drumagh Crettyyard Laois.