US 12 Reconstruction

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

Project location

US 12 Reconstruction, County M to Whitewater Bypass, Jefferson County

View US 12 Reconstruction in a larger map.

Project overview

  • The reconstruction project of US 12 begins just north of the Whitewater Bypass and extends approximately 4.8 miles north to approximately County M. 
  • Reconstruction will include removing and replacing the existing pavement, base course layer, sub-base course layer, pavement marking, and permanent signing. Other improvements will include widening the shoulders and safety zone, modifying three substandard horizontal curves to meet current design standards, and replacing drainage structures including the Galloway Creek Box culvert.


  • April 2018 - August 2018
    • Whitewater Bypass to Buckingham Road - Construction
  • 2022
    • Buckingham Road to County M - Construction anticipated

Traffic impacts/detours

US 12 will be closed to through traffic during construction. Through traffic will be detoured using WIS 59 to WIS 26 to US 12.



Contact information

Jeremy M. Hall, P.E., WisDOT Project Manager
(608) 245-2655

Michael Bie, WisDOT Southwest Region Communications Manager
(608) 246-7928

Wisconsin Department of Transportation (WisDOT)
Southwest Region, Madison Office
2101 Wright Street
Madison, WI 53704
Phone: (608) 246-3800
Fax: (608) 246-3843
TTY: 711