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 budget and its 2.5-mile route, which includes a lakefront spur connecting the line to the proposed $122 million, 44-story Couture. Construction on the Milwaukee Streetcar began March 2017, with initial operation by mid-2018. The Lakefront service is expected to start operation by 2019. Northwestern Mutual Tower and Commons stands 550 feet tall and has 32 stories, making it the second tallest building in Milwaukee. The Fiserv Forum, a new multipurpose arena between N. Fourth Street and N. Sixth Street from W. Highland Ave. to W. Juneau Ave., has been built to accommodate the Milwaukee Bucks. Construction began in November 2015.