Adding visitors to the regular area population brings new driving styles, drivers unfamiliar with the roads and a number of other dangers to the roads. (lowestpricetrafficschool.com)
Sydney is the most populous city in Australia, with a metropolitan area population of approximately 4.28 million. (pplmeet.com)
Chicago is the largest metro area in the Midwest region by far, with an urban population of 2.7 million and a larger metro area population of over 10.4 million. (riskybusiness.org)