One motorist was charged following a pair of R.I.D.E checks in the region.
NRP officers conducted the checks on Good Friday in Welland and Thorold.
About 600 cars were stopped, and 21 drivers blew into a breathalyzer.
One motorist had their license suspended for three days after providing a sample that resulted in an "Alert."
In addition, one driver was charged for operating their car with a suspended license.
Eleven tickets were issued for other traffic offences.
Man Wanted After St. Catharines Assault
DSBN Tops NCDSB in EQAO Results
DSBN scored higher in provincial standardized testing across Grades 3, 6 & 9.
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