Niagara police stopped about 450 drivers during RIDE checks in Niagara-on-the-Lake and Niagara Falls last night.
Seven drivers were given breathalyzers, and two were charged with impaired driving.
They received a 90-day driver's licence suspension and had their vehicles towed and seized for seven days.
Police are reminding everyone attending a social event this holiday season, to drink responsibly and have a plan to arrive home safely