Westmeath, Laois and Offaly are among the highest in country for prosecutions.
Laois and Offaly rank among the highest in the country for prosecuting those who use mobile phones while driving.
They come in third and fourth respectively with over 60% conviction rate in both counties.
Westmeath isn't far behind, 57% of offenders were convicted in the last 30 months in the Lake County.
All three are above the national average which sees just half of those charged with the offense being prosecuted.