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.
Kristen French Centre Battling Online Luring
Niagara's Crime Severity Rate Drops
Man Dies in Niagara Falls Motorcycle Crash
2nd Niagara Falls Murder Suspect Arrested
Suspect Wanted After Cables Cut
Candidates Splurge on Election Signs
Homeless, City Finances Top Candidate's Concerns
Police Investigation Resolved