Interstate 43 (I-43) is a 191.55-mile-long (308.27 km) Interstate Highway located entirely within the U.S. state of Wisconsin, connecting I-39/I-90 in Beloit with Milwaukee and I-41, U.S. Highway 41 (US 41) and US 141 in Green Bay. Wisconsin Highway 32 (WIS 32) runs concurrently with I-43 in two sections and US 41, US 45, I-94, I-894, US 10, WIS 57, and WIS 42 overlap I-43 once each. There are no auxiliary or business routes connected to I-43, though an alternate route to direct traffic during road closures is signed along local and state highways from Milwaukee County north into Brown County.
US Highway 141 (US 141) is a north–south United States Numbered Highway in the states of Wisconsin and Michigan. The highway runs north-northwesterly from an interchange with Interstate 43 (I-43) in Bellevue, Wisconsin, near Green Bay, to a junction with US 41/M-28 near Covington, Michigan. In between, it follows city streets in Green Bay and has a concurrent section with US 41 in Wisconsin. North of Green Bay, US 141 is either a freeway or an expressway into rural northern Wisconsin before downgrading to an undivided highway. In Michigan, US 141 is an undivided highway that runs through rural woodlands. The highway has two segments in each state; after running through Wisconsin for about 103 miles (166 km), it crosses into Michigan for approximately another eight miles (13 km). After that, it crosses back into Wisconsin for about 14+1⁄2 miles (23 km) before crossing the state line one last time. The northernmost Michigan section is about 43+1⁄2 miles (70 km), making the overall length about 169 miles (272 km).
U.S. Highway 151 (US 151) is a United States Numbered Highway that runs through the states of Iowa and Wisconsin. The southern terminus for US 151 is at a junction with Interstate 80 (I-80) in Iowa County, Iowa, and its northern terminus is at Manitowoc, Wisconsin. The route, from south to north follows a northeasterly path through the two states.
Interstate 894 (I-894) is a 9.3-mile (15.0 km) auxiliary Interstate Highway in Milwaukee County in the US state of Wisconsin. The route serves as a bypass of downtown Milwaukee, connecting with I-94 at the Zoo Interchange west of downtown and the Mitchell Interchange south of downtown. The route is concurrent with three other highways for its duration, following US Highway 45 (US 45) from the Zoo Interchange to Hale Interchange as the Zoo Freeway, where it separates from US 45 to follow I-43 heading east to the Mitchell Interchange as the Airport Freeway.
Interstate 41 (I-41) is a 176.33-mile-long (283.78 km) north–south Interstate Highway connecting the interchange of I-94 and U.S. Route 41, located 0.9 miles (1.4 km) south of the Wisconsin–Illinois border at the end of the Tri-State Tollway in metropolitan Chicago, to an interchange with I-43 in metropolitan Green Bay, Wisconsin. The designation travels concurrently with US 41, I-894, US 45, I-43, and sections of I-94 in Wisconsin and Illinois. The route was officially added to the Interstate Highway System on April 7, 2015, and connects Milwaukee and Green Bay with the Fox Cities.
State Trunk Highway 29 is a state highway running east–west across central Wisconsin. It is a major east–west corridor connecting the Twin Cities and the Chippewa Valley with Wausau and Green Bay. A multi-year project to upgrade the corridor to a four-lane freeway or expressway from Elk Mound to Green Bay was completed in 2005. The expansion served to improve safety on the route, which was over capacity as a two-lane road. The remainder of WIS 29 is two-lane surface road or urban multi-lane road.
State Trunk Highway 54 is a Wisconsin state highway running east–west across central Wisconsin. It is 243.12 miles (391.26 km) in length.
State Trunk Highway 16 is a Wisconsin state highway running from Pewaukee across the state to La Crosse. Much of its route in the state parallels the former mainline of the Chicago, Milwaukee, St. Paul and Pacific Railroad. The highway parallels Interstate 90 (I-90) or I-94 for most of its length in the state. It serves local traffic in nearby cities including La Crosse, Tomah, Wisconsin Dells, Portage, Columbus, Watertown, Oconomowoc and Waukesha. The highway is mainly two-lane surface road or urban multi-lane expressway from La Crosse to Oconomowoc, and it is a freeway east of Oconomowoc.
State Trunk Highway 119, better known as the "Airport Spur", is a connector freeway in Milwaukee, in the southeastern part of the U.S. state of Wisconsin. The 1.89-mile (3.04 km) freeway connects Interstate 94 (I-94) to Milwaukee Mitchell International Airport. WIS 119 has had many different iterations dating back to 1919, and since has had five other variations including the modern day route. These different roads were short lived but were located throughout the state of Wisconsin in the Milwaukee area, Manitowoc and Green Bay.
State Trunk Highway 15 is a 14.8-mile (23.8 km)state highway in Outagamie County in the US state of Wisconsin that runs east–west and provides a shortcut to Appleton from U.S. Highway 45 (US 45) for travelers inbound from points north and west. Most of WIS 15 was once part of US 45, which was redirected south of New London to bypass Appleton and provide direct access to Oshkosh and points south.
State Trunk Highway 32 is a state highway in the U.S. state of Wisconsin that runs north–south in eastern Wisconsin. It runs from the Illinois border north to the Michigan border. It is named the 32nd Division Memorial Highway after the U.S. 32nd Infantry Division, and the highway shields have red arrows—the division's logo—on either side of the number 32. The route of WIS 32 and the Red Arrow marking is set in state statute by the Wisconsin Legislature.
State Trunk Highway 21 is a state highway in the U.S. state of Wisconsin. It runs east–west across the center of the state between Sparta and Oshkosh. The route often serves as a direct route for travelers between Appleton and Oshkosh to Tomah and La Crosse. It is a two-lane surface road for nearly all of its length, with the exception of a few urban arterials of four or more lanes. The section of WIS 21 between Fort McCoy and I-94 in Tomah is classified as a "Major STRAHNET Connector." while the route past I-94 is classified as a "Non-Interstate STRAHNET Route"
State Trunk Highway 23 is a state highway in the U.S. state of Wisconsin. The route is signed as a north–south route from Shullsburg to Wisconsin Dells and as an east–west route from Wisconsin Dells to Sheboygan. With the exception of freeway segments between Sheboygan Falls and Sheboygan, an expressway segment between Sheboygan Falls and near Greenbush, a freeway concurrency with I-39, and an expressway segment concurrent with U.S. Route 151, the highway is generally either two-lane surface road or urban multilane arterial. WIS 23 provides access to several important Wisconsin destinations, such as the House on the Rock, the Wisconsin Dells area and various state parks.
State Trunk Highway 26 is a state highway in the U.S. state of Wisconsin. The route is partially a divided highway with a few freeway bypass sections for roughly 50 miles. The remaining sections of WIS 26 is a two-lane road. WIS 26 provides direct access from Janesville to Oshkosh via Fort Atkinson, Watertown, and Waupun.
State Trunk Highway 49 is a state highway in the U.S. state of Wisconsin. It runs north–south in central and southeast Wisconsin from Wittenberg to Lomira. The highway was initially designated in 1917, but it had not been extended to its current length until the 1950s.
Wisconsin Highway 57 is a 191.82-mile-long (308.70 km) state highway Wisconsin, United States. It runs from its southern terminus at Wisconsin Highway 59 in Milwaukee to its northern terminus at Wisconsin Highway 42 in Sister Bay. Much of WIS 57 parallels Interstate 43 and WIS 42, particularly from Saukville to its northern terminus in Sister Bay. The highway is concurrent with I-43 for 12 miles (19 km) in Ozaukee County. Like most Wisconsin state highways, WIS 57 is maintained by the Wisconsin Department of Transportation (WisDOT).
State Trunk Highway 96 is a state highway in the U.S. state of Wisconsin. It runs east–west in east-central Wisconsin from near Fremont to Denmark.
State Trunk Highway 794, officially the John R. Plewa Memorial Lake Parkway or the Lake Parkway, is a 4.76-mile (7.66 km) state highway in Milwaukee County, Wisconsin, United States, that goes north–south from downtown Milwaukee to its southern suburbs. WIS 794 is the highest numbered Wisconsin state highway in the state trunk highway system.
State Trunk Highway 441, and often called the Tri-County Expressway or Highway 441 is a state highway in the US state of Wisconsin. Together with Interstate 41/US Highway 41 (I-41/US 41), the highway forms a beltway around the greater Appleton area, and is a freeway for the entire length of its route. It connects at both ends to its parent highway, I-41/US 41. It runs east–west and north–south in east central Wisconsin from near Neenah around Appleton to near Little Chute through Winnebago, Outagamie and Calumet counties. The Roland Kampo Memorial Bridge spans Little Lake Butte des Morts near the highway's southwest terminus.
U.S. Highway 41 (US 41) is a north–south highway United States Numbered Highway in eastern Wisconsin. It runs from Pleasant Prairie on the Illinois border north to Marinette on the Michigan border. Most of the route is concurrent with Interstate 41 in the state, with the exception of the portion between Howard, a suburb of Green Bay, and Marinette.
WIS 54 / CTH-E in Hobart 
I-41 / US 41 in Ashwaubenon 
I-43 in Bellevue 
