THE CITIES WITH THE 'LEAST COURTEOUS DRIVERS' ARE...
The cities with the least courteous drivers are New York, Dallas/Fort Worth, Detroit, Atlanta, followed by Minneapolis/St. Paul in 5th place.
Phoenix ranked 6th among 25 metropolitan areas.
According to the AutoVantage survey, the most courteous city is Portland, Ore.
(The researchers polled on drivers cutting off others without their turn signals, drivers tailgating every day, etc.)