A Peterborough OPP officer has pleaded guilty to driving his police cruiser while impaired.

Const. Kevin Dignan was charged in April 2007 after his cruiser rolled over on Highway 28 south of Burleigh Falls.

He was taken to hospital where blood tests revealed he had more than three times the legal limit of alcohol in his system.

The constable was on-duty and in uniform at the time of the accident.

Investigators testified that they found an empty beer bottle in the cruiser. The case has been adjourned to Feb. 19.