One motorist was clocked doing three times the speed limit in Kilkenny, travelling at 151 km/h, in an area where the signposted limit is 50.
Another driver was caught doing over 200km per hour on the M1 at Drogheda.
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There was also 160 suspected instances of driving under the influence recorded- 55 for suspected drug driving and 105 for drink driving.
A joint operation between Kildare based units saw gardaí in Naas record 19 offences in just one day, while the Cavan-Monaghan division also arrested nine people for driving under the influence.