List of Interstate Highways in Wisconsin

Interstate Highways of the Wisconsin State Trunk Highway System
Highway marker for Interstate 94 and Interstate 894
System information
Formed:	August 14, 1957[1]
Highway names
Interstates:	Interstate nn (I-nn)
System links
Wisconsin State Trunk Highway System Interstate U.S. State Scenic Rustic

The Interstate Highways in Wisconsin comprise five current primary Interstate Highways and three auxiliary Interstates.

Primary Interstate Highways

Number	Length (mi)[2]	Length (km)	Southern or western terminus	Northern or eastern terminus	Formed	Removed	Notes
I-39	182.14	293.13	I-39/I-90 near Beloit	US 51/WIS 29 in Rothschild	1992	current
I-41	175.43	282.33	I-94/I-41/US 41 near Russell, IL	I-43 and US 41/US 141 in Howard	2015[3]	current	Overlaps US 41 in the state
I-43	191.55	308.27	I-39/I-90 and WIS 81 in Beloit	US 41/US 141 in Howard	1981	current
I-90	187.13	301.16	I-90 in La Crosse	I-39/I-90 in Beloit	1956	current
I-94	348.23	560.42	I-94 in Hudson	I-94/I-41/US 41 near Russell, IL	1956	current

Auxiliary Interstate Highways

Number	Length (mi)[2]	Length (km)	Southern or western terminus	Northern or eastern terminus	Formed	Removed	Notes
I-535	1.21	1.95	US 53 and WIS 35 in Superior	I-535/US 53 at Duluth, MN	1971	current	Follows the John A. Blatnik Bridge and continues another 1.57 miles (2.53 km) to I-35 in Duluth
I-794	3.50	5.63	I-43/I-94/US 41 in Milwaukee	WIS 794 in Milwaukee	1980	current	Called the Lake Freeway and the East–West Freeway
I-894	9.92	15.96	I-94 and US 45 in West Allis	I-43/I-94 in Milwaukee	1966	current	Completely concurrent with I-41, part concurrent with I-43 called the Airport Freeway.

See also

• U.S. Roads portal
• Wisconsin portal

References

1. Official Route Numbering for the National System of Interstate and Defense Highways (Map). American Association of State Highway Officials. August 14, 1957. Retrieved November 22, 2010.
2. Wisconsin State Trunk Highway Logs:
   
   • Northeast Region Staff (May 14, 2009). State Trunk Highway Log for Region 3. Green Bay, WI: Wisconsin Department of Transportation.
   • Northwest Region Staff (May 14, 2009). State Trunk Highway Log for Region 5. Eau Claire, WI: Wisconsin Department of Transportation.
   • North Central Region Staff (December 31, 2008). State Trunk Highway Log for North Central Region (XLS). Rhinelander, WI: Wisconsin Department of Transportation.
   • Southwest Region Staff (December 31, 2008). State Trunk Highway Log for Southwest Region (XLS). Madison, WI: Wisconsin Department of Transportation.
   • Southeast Region Staff (December 31, 2008). State Trunk Highway Log for Southeast Region (XLS). Waukesha, WI: Wisconsin Department of Transportation.
3. Srubas, Paul (April 9, 2015). "US 41 Named Officially to Interstate Highway System". Green Bay Press Gazette.

External links

• Wisconsin's Interstates at Wisconsin Highways