Milwaukee has two auxiliary Interstate Highways, I-894 and I-794. I-894 extends from the western suburbs to the southern suburbs, bypassing downtown. I-794 extends east from the Marquette Interchange to Lake Michigan before turning south over the Hoan Bridge toward General Mitchell International Airport, turning into Highway 794 along the way. Milwaukee is also served by three US Highways. U.S. Highway 18 (US 18) provides a link from downtown to points west. US 41 and US 45 both provide north–south freeway transportation on the western side of the city. The freeway system in Milwaukee carries roughly 25% of all travel in Wisconsin.
Milwaukee then, Milwaukee still fares worse when comparing specific crime types to the national average (e.g., homicide, rape, robbery); only aggravated assaults occur less frequently in Milwaukee than the national average. The Milwaukee Police Department's Gang Unit was reactivated in 2004 after Nannette Hegerty was sworn in as chief. In 2006, 4,000 charges were brought against suspects through Milwaukee's Gang Unit. In 2013 there were 105 murders in Milwaukee and 87 homicides the following year. In 2015, 146 people were killed in the city. In 2018, Milwaukee was ranked the eighth most dangerous city in the US. Milwaukee currently ranks as