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.

2 Niagara men arrested by Toronto Police
Niagara Parks Tree Planting Day - Sat. Oct. 24
Gov't Wastes Too Much Money: Candidate
Gov't Pressured to Investigate Whale Deaths
Niagara Falls Receives Payment for Casinos
Niagara Falls Man Charged with Child Porn
Toronto Man Charged with Drug Trafficking
Respecting Taxpayers, Douglas Memorial Candidate's Concerns