Milford police last year arrested 199 people for unlawful driving, including driving under the influence, according to statistics recently
The categories — operating under the influence, operating after revocation, operating after suspension and unlicensed operation — have accounted for at least 148 arrests a year since 2004.
In 2011: 34 people were arrested for OUI, 9 for operating after revocation, 28 for operating after suspension and 162 for unlicensed operation.
Unlicensed operation arrests increased slightly from 2010, when 158 people were charged with the offense. In 2009, 133 people were arrested for unlicensed driving.
In 2007, Milford arrested 198 people for driving without a license, a peak year for the offense.
While there was an increase last year in unlicensed operation arrests, O'Loughlin said, statistically, the increase was negligible.
The statistics compiled by O'Loughlin were released under a state public records request submitted by the parents of , a motorcyclist who was killed in 2011 after he was struck by a man charged with drunken, unlicensed driving.