Wisconsin Department of Transportation

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US 151 Freeway Conversion Study
Columbus-Waupun, Dodge County

View SW, US 151 Freeway Conversion project location.
Map key - Thick orange line is the project overview/location. Blue tear drop with dot in center is the project limit.

Project location

US 151, WIS 73 (Columbus) to WIS 49 (Waupun), in Dodge County.

Project overview

  • US 151 Freeway Conversion Study covers approximately 27 miles of US 151. Planning started in July 2007.
  • This study will analyze the US 151 corridor for conversion to a freeway facility. This will entail looking at the removal of driveways that access the roadway, at-grade intersections and railroad crossings.
  • This study will be conducted in three phases, each taking approximately two years:
    • Phase 1 - Data will be collected along the corridor. This entails land use plans, environmental resources, traffic and crash statistics. Preliminary roadway modifications for the freeway conversion will also be developed.
    • Phase 2 - Environmental documentation. An Environmental Assessment (EA) will be completed to determine the impacts of the freeway conversion.
    • Phase 3 - Map the corridor according to Wisconsin Statute 84.295. Mapping will preserve the corridor for future highway use.
  • Removing at-grade intersection and access points will improve roadway safety and the Level of Service. The study will help preserve the corridor for highway purposes.
  • US 151 is designated as a Corridors 2020 backbone route, which is an important roadway connecting the south central part of the state with the Fox Valley and Green Bay area.

Status/phase

  • Study - Long term planning with no construction activity
  • 2013-2015 - Environmental study and documentation preparation
  • 2015-2017 - Prepare official map

Questions about the content of this page:
WisDOT Southwest Region Office-Madison, swr.dtsd@dot.wi.gov SSI - Contacts
Last modified: May 27, 2014

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