Dublin has some of the highest figures for drink and drug driving.
The Irish Independent has been crunching official numbers from the CSO.
These figures go back over the past decade and show Blanchardstown has the highest detection rate for drink driving.
Ballyfermot had the highest for the numbers getting caught behind the wheel while high.
Gardai have mounted 65,000 checkpoints with 365,000 breath tests so far this year.
More than 7,000 drivers have been done for drink driving, but it's believed the true figure is much higher.
