US 18/151 Study

Project location | Project overview | Schedule | Traffic impacts/detours | Status/phase | Contact information

Upcoming

WisDOT anticipates holding a second public involvement meeting for the US 18/151 Corridor Study in Summer 2026.

Past meetings

WisDOT recently held a Public Involvement Meeting (PIM) for the US 18/151 Corridor Study to provide updates on the study and gather feedback on the study purpose and corridor needs. Please visit the Public Involvement page to view the presentation and other meeting materials.

Project location

US 18/151 (US 18/151 interchange County PD), Dodgeville to Fitchburg - Iowa and Dane counties

Project overview

  • The Wisconsin Department of Transportation (WisDOT) and the Federal Highway Administration (FHWA) are conducting a US 18/151 Corridor Study between the US 18/151 interchange in Dodgeville and County PD (McKee Road) in Fitchburg. The study corridor is about 35 miles long and travels through Iowa and Dane counties.
  • WisDOT will identify project needs and evaluate a range of alternatives in an Environmental Impact Statement (EIS).

Schedule

  • 2025
    • Existing conditions data collection
    • Development of purpose and need
  • 2026
    • Develop alternative concepts to address corridor needs

Status/phase

Environmental study with no construction activities planned at this time.

Comments and updates

WisDOT welcomes comments and suggestions related to this study.

Comment online via the following link: Comment now

Share comments at Public Involvement Meetings and other meetings: Subscribe

Contact information

Michael Bie
WisDOT Southwest 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
TTY: 711
Email: swr.dtsd@dot.wi.gov