While no arrests were reported, the State Police "Checkpoint Strikeforce" was in full operation from 9:00 PM Friday night until 1:00 AM Saturday in Frederick.

Authorities say nine State Troopers, three Sheriff's Deputies, three Frederick Police officers, three auxiliary Frederick Police officers and State Highway Administration personnel were present at Route 26 and Routzahn's Way.

442 vehicles were checked.

State Police say the purpose of "Checkpoint Strikeforce" is to educate the public on the laws covering impaired driving, and identify and apprehended motorists under the influence of drugs and alcohol.