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.
Lake, Milwaukee County, Wisconsin into two townships: the Town of Milwaukee, encompassing everything north of the present Greenfield Avenue, and the Town of Lake, encompassing everything South of the present Greenfield Avenue; "and the polls of election shall be opened at the house of Elisha Higgins, in said town." On March 8, 1839, a new Town of Kinnikennick was created, encompassing the western part of Lake (later the Towns of Greenfield and Franklin); and on August 13, 1840, the south portion of the Town of Lake was split off to form the town of Oak Creek. As of the 1840 census, the population of