"It's important for people to realize that driving with a 'buzz' - from any combination of alcohol, legal or illegal drugs - is driving while impaired, and that's a leading factor in traffic fatalities in Oregon," said Gretchen McKenzie, Impaired Driving Program manager at the Oregon Department of Transportation Safety Division. "People need to plan ahead for the holidays. If they are going to drink, decide who is going to drive before the first drink is consumed."