The NRP stopped about 600 vehicles while conducting R.I.D.E programs in Niagara Falls and Thorold.
Officers issued 26 breathalyzer tests on Friday but only one driver blew over the legal limit.
They had their license suspended for three days.
The NRP receives funding from the Ministry of the Solicitor General for the Reduce Impaired Driving Everywhere program.
Picture of Assault Suspect Released
Police also looking for 3 others after man left with life threatening injuries
Premier Fumes Over Gas Price Increase
Doug Ford pointed out there's been no change in places like Chicago or Minnesota
Niagara Falls Man Charged with Fraud
Police say it was concerning construction jobs that didn't get done, after payment
Arrests Made in Armed Residential Robbery
Two men face a number of charges each after the robbery in Niagara Falls
Fort Erie Man Wins Lottery
Scott Serada is bringing home $100,000 courtesy of Instant Gold Pursuit
Councillor Disputes Speed Camera Claims
One claim he addressed is about speed camera company having control of tickets
Gas Prices to Skyrocket in Niagara
Gas analyst says it'll go up 14-cents overnight, largely blaming switch from winter to summer gas
Gord Singleton to be Honoured Tonight
Niagara Falls will be lit up in the Olympic ring colours