Are you Dr. Jekyll in the garage, but Mr. Hyde on the road?  Studies show we are far more rude in the car than we are almost anywhere else. Think about it—chances are you don’t  swear at home in front of your children or flip off someone in the grocery store line. 

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So why does the leash come off in the car? A psychology professor at the University of Hawaii, who has conducted research on driving behaviors,  says people feel less inhibited when driving because they feel more anonymous.

Of course even the nicest among us can be cross with bad drivers and they are everywhere, but look out if you drive the streets and highways of Washington, DC. Compared to the national average of one accident every 10 years, D.C. drivers have collisions once every 4.8 years. That places the likelihood of having a car crash in the District of Columbia at a whopping 109.3 percent when compared with the national average, according to the ninth annual Allstate America's Best Drivers Report.

The top 10 most dangerous driving cities:

  1. Washington, D.C.
  2. Baltimore, Maryland
  3. Providence, Rhode Island
  4. Hialeah, Florida
  5. Glendale, Pennsylvania
  6. Philadelphia, Pennsylvania
  7. Alexandria, Virginia
  8. Miami, Florida
  9. San Francisco, California
  10. Arlington, Virginia