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There's a fuel-saving app called "GasBuddy" that did a survey of the 30 largest U.S. cities to see who had the most aggressive drivers, based on things like speeding, hard braking, sudden acceleration, etc.....Pittsburgh's not in the top ten, but we're close....see if you guessed these correctly here http://www.msn.com/en-us/autos/news/these-10-cities-have-the-most-aggressive-drivers-in-the-nation/ar-BBUFsNf?li=BBnb7Kz&ocid=HPCDHP