Over 600 drivers have been caught speeding over the past 24 hours as part of National Slow Down Day.
One motorist wascaught doing 159km in a 100 zone on the N25 at Ballyadam in Carrigtwohill in Cork.
Another was caught doing 115km an hour in an 80 zone at Herbertstown in Limerick., while in Galway a driver was caught doing 117km an hour in a 50km/h zone.
Gardai say these drivers put themselves and others at risk by speeding, and have appealed to drivers to comply with speed limits in order to reduce the number of speed related collisions, save lives and reduce injuries on our roads.
