SAN FRANCISCO (CBS SF) — San Francisco drivers rank among the most courteous in the nation, according to a new survey.

The survey by roadside assistance service AutoVantage found that San Francisco’s drivers ranked fourth among the most courteous cities, behind Portland, Pittsburgh and St. Louis.

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“First and foremost, they aren’t tailgating. They aren’t speeding. They aren’t running red lights. Secondarily, they aren’t distracted,” Mike Bush of AutoVantage said.

But, not all drivers agreed with the findings.

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“People are in a hurry to get places and I think tempers flare when that happens. I don’t see a lot of politeness on the road, personally,” Matt Bens of San Francisco said.

According to AutoVantage, the survey results were based on measured behavior, observation and attitudes related to “road rage” as reported in major U.S. cities.

Charlotte was No. 5 on the list of most courteous drivers.

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The top five most discourteous cities were Houston, Atlanta, Baltimore, Washington DC and Boston, respectively.