State Trunk Highway 175
WIS 175 highlighted in red
Route information
Maintained byWisDOT
Length	51.4 mi[1] (82.7 km)
Major junctions
South end	WIS 59 inWest Milwaukee
Major intersections	I-94 inMilwaukee US 18 in Milwaukee I-41 /US 41 /US 45 /WIS 100 in Milwaukee
North end	US 151 inFond du Lac
Location
Country	United States
State	Wisconsin
Counties	Milwaukee,Waukesha,Washington,Dodge,Fond du Lac
Highway system
Wisconsin State Trunk Highway System Interstate US State Scenic Rustic
←WIS 174 →WIS 176

State Trunk Highway 175 (often calledHighway 175,STH-175 orWIS 175) is astate highway in the US state ofWisconsin. It runs north–south in central Wisconsin fromWest Milwaukee to just south ofFond du Lac.

The highway follows the former route ofU.S. Highway 41 (US 41) before US 41's current route was created between 1953 and 1955. Portions of the highway were part of theYellowstone Trail.North Fond du Lac created a park dedicated to the trail, which was the first transcontinental automobile highway through the upper tier of states in the United States.

The highway was shortened by 17.1 miles (27.5 km) on January 1, 2007. The northern terminus was moved fromUS 45 nearOshkosh to its present location near Fond du Lac. The portion inWinnebago County became County Trunk Highway R (CTH-R), and the portion inFond du Lac County (including through theVan Dyne,North Fond du Lac, and Fond du Lac communities) became CTH-RP.^[2]

Numerous segments of the highway are marked for changing to local control, including segments inWashington County. It formerly went into the city of Fond du Lac before the 2010s, when the city's highway designations changed with the completion of theUS 151 bypass.

Beginning in May 2015,US 41 south ofHoward underwent conversion toInterstate 41 (I-41) and was rerouted to follow an existing freeway alignment inMilwaukee County. Beginning the following month, WIS 175 signs began replacing US 41 signs in the Milwaukee area, where the designation was extended beyondI-94 along the Stadium Freeway, also replacingWIS 341 between the Stadium Interchange andWIS 59.^[3]

In 2022, theWisconsin Department of Transportation began exploring reconstructing Highway 175 in Milwaukee between North Avenue and Vliet Street in the Washington Heights neighborhood of Milwaukee.^[4] In 2016,Urban Milwaukee contributor John O'Neill wrote an article suggesting partial removal of the highway in order to improve pedestrian safety.^[5]

This sectionis missing mileposts for junctions. Please helpadd them.

County	Location	mi	km	Exit	Destinations	Notes
Milwaukee	West Milwaukee				WIS 59 (National Avenue)	Southern terminus; southern end of freeway
	Milwaukee			—	American Family Field / Canal Street
				38	I-94 –Milwaukee,Madison	Only numbered southbound
				—	US 18
				—	State Street / Vliet Street
				—	Washington Boulevard	Northbound exit only
				—	Lloyd Street	No southbound exit
					Lisbon Avenue	Northern end of freeway
					WIS 190
					WIS 181
					WIS 181
				—	I-41 /US 41 /US 45 /WIS 100 / Metro Auto Mall	No access to southbound I-41 from northbound WIS 175 or northbound I-41 from southbound WIS 175; Metro Auto Mall northbound exit only
Waukesha	No major junctions
Washington	Richfield				WIS 167	Roundabout
					WIS 145	Northern terminus of WIS 145
	Town of Polk				ToWIS 164	Grade-separated
	Slinger				WIS 60 –Hartford,Grafton
					WIS 144 north	Southern terminus of WIS 144
	Town of Hartford				WIS 83 south –Hartford	Northern terminus of WIS 83
	Addison				WIS 33 –Horicon,Allenton
Dodge	Theresa				WIS 28 west /WIS 67 south –Mayville	Southern end of WIS 28/WIS 67 concurrency
	Town of Theresa				WIS 28 east –Kewaskum	Northern end of WIS 28 concurrency
	Lomira				WIS 67 north	Northern end of WIS 67 concurrency
	Town of Lomira				WIS 49 –Brownsville
Fond du Lac	Fond du Lac				US 151	Northern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi       Concurrency terminus       Incomplete access

• U.S. Roads portal

• "Revisioning Highway 175 for good of neighborhood, not speeding cars in the heart of Milwaukee".WUWM 89.7 FM - Milwaukee's NPR. May 5, 2022. RetrievedMay 5, 2022.
• Bentley, Drake."Wisconsin DOT officials say that Highway 175 by Brewers stadium needs to be rebuilt, and it could become a boulevard".Milwaukee Journal Sentinel. RetrievedMay 5, 2022.
• Bentley, Drake."Should Stadium Freeway North be converted into an at-grade boulevard?".Milwaukee Journal Sentinel. RetrievedMay 5, 2022.
• "Fix At Six: Report Spells Out Alternatives For I-94 East-West Freeway Reconstruction In Milwaukee".WUWM 89.7 FM - Milwaukee's NPR. September 15, 2021. RetrievedMay 5, 2022.

• Media related toWisconsin Highway 175 at Wikimedia Commons

• State highways in Wisconsin
• Transportation in Milwaukee County, Wisconsin
• Transportation in Waukesha County, Wisconsin
• Transportation in Washington County, Wisconsin
• Transportation in Dodge County, Wisconsin
• Transportation in Fond du Lac County, Wisconsin
• U.S. Route 41

• Articles with short description
• Short description matches Wikidata
• Use American English from May 2025
• All Wikipedia articles written in American English
• Use mdy dates from February 2021
• Infobox road instances in Wisconsin
• Routes needing mileposts
• Pages using gadget WikiMiniAtlas
• Articles using KML not from Wikidata
• Commons category link is on Wikidata
• Pages using the Kartographer extension