I-39/90/94 Study

Project location | Project overview | Schedule | Status/phase | Contact information

Project location

I-39/90/94 from US 12/18 in Madison to the US 12/WIS 16 interchange in Wisconsin Dells

Project overview

  • The study corridor is located between US 12/18 in Madison and US 12/WIS 16 in Wisconsin Dells. The study also includes I-39 from where it splits from I-90/94 to Levee Road near Portage. The study corridor is about 67 miles long and travels through Dane, Columbia, Sauk and Juneau counties.
  • WisDOT will identified project needs and evaluated a range of alternatives in an Envrionmental Impact Statement (EIS). The Final EIS and Record of Decision (ROD) was approved on December 5, 2024.

  • Following public hearings and approval of the Environmental Impact Statement by federal and state agencies in 2024, funding for the I-39/90/94 project was approved in the 2025-2027 Wisconsin State Budget. Project plans, including anticipated construction schedule, are pending. For questions regarding the project please contact WisDOT.

*Please note, off alignment options are not being considered for this study

Status/phase

  • Environmental study is complete

Contact information

WisDOT welcomes comments and suggestions related to this study.​ Please direct any comments or suggestions to the contacts listed below.​

Jennifer Kobryn
WisDOT Study Supervisor
(608) 246-3800
Jennifer.kobryn@dot.wi.gov

Michael Bie
WisDOT Region Communications Manager
(608) 246-7928
michael.bie@dot.wi.gov

Wisconsin Department of Transportation (WisDOT)
Southwest Region, Madison Office
2101 Wright Street
Madison, WI 53704
Phone: (608) 246-3800
Email: swr.dtsd@dot.wi.gov