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What's the safest city to take your sparkling new Lamborghini out for a spin?

That would be Sioux Falls, S.D., which Allstate Insurance Co. proclaimed as "America's Safest Driving City" for the fifth year in a row.

The report, drawing from Allstate claims data, ranks America's 200 largest cities in terms of car collision frequency. The good news for Sioux Falls drivers? The average driver in Sioux Falls will get into an auto collision every 13.8 years - or is about 28 percent less likely to get into a crash when compared with the national average of 10 years.

Boise, Idaho; Fort Collins, Colo.; Madison, Wis.; and Lincoln, Neb., took the top spots behind Sioux City. And for the eighth year in a row, ever since Allstate has issued its safe-driver report, motorists in Phoenix topped the list among commuters in U.S. cities with more than 1 million people, with the average driver experiencing a collision every 10.2 years.

While car crash fatalities are at their lowest level since 1949, they still average more than 32,000 every year, the National Highway Traffic Safety Administration reports.

"Allstate's Best Driver's Report was created to boost the country's discussion on safe driving," Mike Roche, senior vice president of claims, said in a statement. "Minimizing distractions, obeying traffic laws and using your car's safety features like turn signals and headlights, are all ways to be safer, no matter where you drive."

So where are the worst drivers? In Washington, D.C., where the average driver has a collision every 4.7 years, which, when compared with the national average, makes D.C. drivers 112 percent more likely to have a crash.