US 14 (County MM Interchange)

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

Project location

US 14 (County MM Interchange), Madison - Oregon, Dane County

Project overview

The project will construct a salt shed, maintenance shed, and park-and-ride lot to serve south central Dane County. The project is located at the southeastern quadrant of the intersection of US 14 and County MM. The improvements will be accessed through the roundabout at the County MM and County M intersection.


  • 2021 - Construction anticipated

Traffic impacts/detours

County MM will remain open with lane and shoulder closures at the roundabout. 



Contact information

Jim Simpson, P.E., P.L.S., WisDOT Project Manager
(608) 246-5628

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