I-39/90/94 Study - Environmental information

Final Environmental Impact Statement and Record of Decision (FEIS/ROD)

The Federal Highway Administration and the Wisconsin Department of Transportation released the approved Final Environmental Impact Statement (FEIS) and Record of Decision (ROD) on the I-39/90/94 Corridor Study December 5, 2024.

The FEIS/ROD selected the preferred alternative and presents the basis for the decision and provides information on mitigation measures that will be taken to offset impacts. The FEIS/ROD is the final environmental approval needed before proceeding to final design and construction. Modification to the project design as well as new and updated project information are included in the FEIS/ROD. It also reports the results of the July/August 2024 public hearing as well as public and agency comments on the Draft Environmental Impact Statement.

Draft Environmental Impact Statement (DEIS)

WisDOT and the Federal Highway Administration (FHWA) have completed the Draft Environmental Impact Statement (DEIS) for the I-39/90/94 Corridor Study. The Draft EIS documents the need for proposed improvements, the alternatives retained for further study and potential mitigation measures. The Draft EIS has been prepared in accordance with the National and Wisconsin Environmental Policy Acts, and FHWA regulations for preparing environmental documents.

Main sections

Appendices