349 drivers have already been detected speeding on National Slowdown Day
Since 7 o'clock this morning Gardai have checked the speed of more than 44 thousand vehicles.
Here in Cork, one motorist was caught was clocked driving 84km in a 6-km zone in Glounthaune.
The fastest speed recorded today was in Co. Westmeath were a person was going 128 kilometres per hour in a 100 zone on the N4 in Mullingar.