Police stop cars at a check point in Cumberland St at Queens Gardens on Saturday morning. Photo by Craig Baxter.
Senior Sergeant Allan Grindell, of Dunedin, said the man, a disqualified driver, was one of more than 8000 who were tested between Friday night and Monday morning.
Twenty-three people were charged with being over the legal limit while driving.
The operation, named Operation Expect More Testing, would continue through to Christmas and begin again in the new year.
"We appreciate it is coming up to the festive season and people want to enjoy themselves, but we want people to act responsibly and think of the safety of others and themselves.
"If you are going out and are going to drink alcohol, plan ahead and arrange alternative transport home," he said.