The Garda Commissioner is appealing to people not to speed over the bank holiday weekend.
His officers are conducting a special roads enforcement campaign which lasts until Tuesday.
So far, over 125,000 vehicles have been checked for speeding.
440 have been detected, with one driver in Donegal caught doing 112km/hr in a 80km zone in Conwal.
On average, one person is arrested every hour for intoxicated driving in Ireland.
Garda Commissioner Drew Harris has this message:
