Interstate 41

Interstate 41 marker
Interstate 41
Map
I-41 highlighted in red
Route information
Maintained by WisDOT and IDOT
Length175.00 mi[1] (281.64 km)
ExistedApril 7, 2015 (2015-04-07)[2]–present
HistoryApproved for designation in 2012[3]
NHSEntire route
Major junctions
South end
I-94 Toll / US 41 in Russell, IL
Major intersections
North end I-43 / US 41 / US 141 in Howard, WI
Location
CountryUnited States
StatesIllinois, Wisconsin
CountiesIL: Lake
WI: Kenosha, Racine, Milwaukee, Waukesha, Washington, Dodge, Fond du Lac, Winnebago, Outagamie, Brown
Highway system
IL 40IL US 41
WIS 40WI US 41

Interstate 41 (I-41) is a 175.00-mile-long (281.64 km) north–south Interstate Highway connecting the interchange of I-94 and U.S. Route 41 (US 41), located about a mile (1.6 km) south of the WisconsinIllinois 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 for its entire length, as well as portions of 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.

  1. ^ Starks, Edward (January 27, 2022). "Table 1: Main Routes of the Dwight D. Eisenhower National System of Interstate and Defense Highways". FHWA Route Log and Finder List. Federal Highway Administration. Retrieved December 24, 2023.
  2. ^ Cite error: The named reference WisDOT2015-04-19 was invoked but never defined (see the help page).
  3. ^ Cite error: The named reference aashto2012-11-16 was invoked but never defined (see the help page).