The checkpoint was conducted in Queen Victoria Park on Friday night.
Officers stopped 86 vehicles, and issued one breathalyzer test.
One person received a three day license suspension.
Police also issued two warnings and two provincial offences summons.
The summons were for Driving While Under Suspension and Permitting an Unlicensed Person to Operate a Motor Vehicle.
They remind you that impaired driving is one of the leading criminal causes of death in Canada.
St. Catharines Man Captured
He was found yesterday
Niagara Adding More Speed Cameras
The region also says one person has been charged with vandalism, a problem happening province-wide
Make Sex Offender Registry Public: Thorold
The city is formally asking the Ontario government to change Christopher's Law, which is provincial
Police Surround Grimsby House, Man Arrested
Police called over argument
Niagara College Workers on Strike
This doesn't include teachers, the workers concerned with wages, benefits and job security after a deal wasn't reached before last night's deadline
Brock University Receives Help for Nursing
The additional money is part of a province-wide growth strategy to train more nurses by 2029
Poilievre Addresses Welland Assault Case
The Conservative leader announced a "Jail Not Bail Act", after about 300 people showed up at the Welland courthouse last night
Doug Ford Addresses "Scumbag" Offender
Mayor Frank Campion says he's received a letter from the Premier about pressing for criminal justice change, after 3-year old girl was sexually assaulted