File:Junction of U.S. 41 and U.S. 45, Near Milwaukee, Wisconsin (9179699551).jpg

In Wisconsin, US 41 runs north and south along the eastern edge of the state. It enters from Illinois at Pleasant Prairie and is concurrent with Interstate 94 north to Milwaukee. At I-94 exit 308, US 41 cuts north at the Stadium Freeway/Miller Park Way on its own short freeway. This passes by Miller Park, home of the Milwaukee Brewers. There are exits at Wisconsin Avenue and US 18 (Blue Mound Road), State Street, and Washington Boulevard before the freeway ends at Lloyd Street and Lisbon Road. From there, US 41 runs northwest on Lisbon Road and Appleton Avenue where it meets up with US 45 (Zoo Freeway) on the northwest side of Milwaukee. US 41 then heads north-northwest on a freeway to Fond du Lac and Oshkosh, then northeast to Appleton and Green Bay. The route is a major access point for the EAA AirVenture Oshkosh air show in Oshkosh, and for Lambeau Field, home of the Green Bay Packers. Beyond Green Bay, US 41 continues on to Oconto and Peshtigo before reaching the Michigan border at Marinette. US 41 is a freeway for nearly 70% of its length through Wisconsin, with exceptions including a stretch in Milwaukee (Lisbon and Appleton avenues) and an expressway section north of Green Bay.

There are plans to convert US 41 to Interstate 41 between Green Bay and Milwaukee by 2015. At this time, the approved plans are to cosign I-41 along the freeway sections of between a point just south of the Illinois state line and the I-43 interchange northwest of Green Bay.

<a href="http://en.wikipedia.org/wiki/U.S._41#Wisconsin" rel="noreferrer nofollow">en.wikipedia.org/wiki/U.S._41#Wisconsin</a>