Wisconsin Department of Transportation

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US 12 Freeway Conversion Study
Middleton, Dane County

US 12 Freeway Conversion Studybase map.
View SW, US 12 (WIS 19-Parmenter St.) Freeway Conversion project maps.

Study location

US 12, WIS 19 (town of Springfield) to Parmenter St. (just north of Middleton), in Dane County.

Study overview

  • This 6.1 mile corridor of US 12 is part of Wisconsinís National Highway System (NHS).
  • This corridor provides a parallel route from the Madison metro area to I-39/90/94 and to the major tourism destination areas in the state and region and to Wisconsin Dells.
  • Study will help increase highway functionality and safety along corridor.
  • Existing expressway was finished in 2005. Dane Countyís North Mendota Parkway Study intends to tie into US 12 for the western termini.


Study with no construction activity.

Questions about the content of this page:
WisDOT Southwest Region Office-Madison, swr.dtsd@dot.wi.gov
Last modified: May 12, 2015

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