Wisconsin Department of Transportation

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WIS 26 Corridor Expansion Project
Janesville to Watertown, in Dodge, Jefferson and Rock counties

Project location
Wisconsin 511 travel information
Segment 8 - Watertown to WIS 60 East Segment 7 - Johnson Creek to Watertown Segment 6 - Jefferson to Johnson Creek Segment 5 - Jefferson bypass Segment 4 - Fort Atkinson bypass Segment 3 - Milton to Fort Atkinson Segment 1 - Janesville to Milton Segment 2 - WIS 59 relocation at Milton WIS 26 Corridor segment map

48 miles of WIS 26, between I-90 (Janesville) and WIS 60 (north of Watertown), in Dodge, Jefferson, and Rock counties.

Project overview

  • WIS 26 is an important route connecting communities and major highways in Rock, Jefferson and Dodge counties.
  • It is designated as a long-truck route in the National Highway System (NHS) and as a connector route in the Wisconsin Department of Transportation's (WisDOT) State Highway Plan 2020. Under the plan, connector routes are given higher priority funding since they connect major regions and economic centers.
  • About half of the expansion will be constructed alongside the existing corridor. The other half, mainly the bypasses, will be constructed on new location. Bypasses will be constructed around Milton, Jefferson and Watertown with interchanges providing easy access to the cities.
  • The overall cost to purchase real estate, design, and construct the roadway represent an estimated $464 million investment in Wisconsin's transportation system.

Status/phase

The studies for this project have been completed and the project segments are in various stages of construction:

Questions about the content of this page:
WisDOT Southwest Region Office-Madison, swr.dtsd@dot.wi.gov
Last modified: August 23, 2013

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