A Dublin driver was clocked almost 40km/h above the limit within the first two hours of a national clampdown on speeding drivers.
The motorist was detected driving at 137km/h in a 100km/h zone on the N7 at Browns Barn in Dublin 22.
Gardai have checked the speed of 23,275 vehicles in the early hours of National Slow Down Day.
In the first two hours of the operation, 128 motorists have been detected speeding, with some going at almost twice the limit.
Notable speeds recorded so far include:
• 97km/h in a 50km/h Zone on the R680 Cork Road Waterford Waterford
• 94km/h in a 50km/h Zone on the N20 Commons Road Cork Cork
• 83km/h in a 50km/h Zone on the N6 Baile An Phoill Gaillimh Gaillimh
• 74km/h in a 50km/h Zone on the R352 Cloghleagh Ennis Clare
• 71km/h in a 50km/h Zone on the R612 Knocknagore Crosshaven Cork
• 70km/h in a 50km/h Zone on the N52 Ballycollin Lower Kilcormac Offaly
• 137km/h in a 100km/h Zone on the N7 Brownsbarn Dublin22 Dublin
• 82km/h in a 60km/h Zone on the N24 Powerstown Demesne Clonmel Tipperary
• 68km/h in a 50km/h Zone on the R527 Ballysimon Road Limerick Limerick
• 67km/h in a 50km/h Zone on the N69 Cloonalour Tralee Kerry
• 65km/h in a 50km/h Zone on the R446 Bunnavally Athlone Westmeath
• 123km/h in a 100km/h Zone on the N3 Lavey Stradone Cavan
• 96km/h in a 80km/h Zone on the R157 Bennetstown Dunboyne Meath
• 92km/h in a 80km/h Zone on the N59 Knappaghmanagh Westport Mayo
A garda spokesman said: "An Garda Síochána continues to appeal to drivers to increase compliance with speed limits in order to reduce the number of speed related collisions, save lives and reduce injuries on our roads."
A further update on the huge national operation will be issued this afternoon.
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