A driver travelling at 228km/h in a 120km/h zone was among nearly 3,000 motorists detected speeding over the Bank Holiday weekend.
The motorist was caught speeding on the M1 in Balgatheran, Drogheda, Co Louth.
Figures released by gardaí showed that between 7am on 1 February and 7am on 6 February, almost 3,000 drivers were found to be speeding, while over 110 were caught using mobile phones and 61 had no seatbelt on.
More than 100 vehicles were also seized from learner permit holders driving unaccompanied, while over 420 vehicles were seized for having no tax or insurance
There were two road deaths during that period, while 11 serious collisions took place which left 12 people with serious or life-threatening injuries.
So far this year, there have been 21 fatalities on Irish roads.
Among the other notable top speeds over the weekend, were a driver clocked at 153km/h in a 100km/h zone on the N61 in Carrownalassan, Co Mayo, and a motorist detected at 148km/h in an 80km/h zone on the R339 in Glenrevagh, Oranmore, Co Galway.
Another was found doing 143km/h in a 60km/h zone on the R700 in Knockavilla, New Ross, Co Wexford.
Gardaí have appealed for all road users to slow down, and to always choose a speed that is appropriate to the driving conditions.
They have also appealed for drivers to wear their seatbelt and never use a mobile phone while driving.
