US 51 and County B/AB intersection - Dane County

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

Project location

US 51 and County B/AB intersection - Dane County

Project overview

The Wisconsin Department of Transportation (WisDOT) is in the process of developing plans for the proposed safety improvement to reconstruct the intersection of US 51 and County B/AB to a dual-lane roundabout.


  • Winter 2019/2020 - Public Involvement Meeting (PIM) anticipated
  • Spring 2024 - Construction anticipated

Traffic impacts/detours

US 51 and the intersection is anticipated be closed to through traffic (open to resident/local traffic).

  • Motorists can expect detour route(s) to avoid construction.
  • Delays due to construction activities will be anticipated and minimized to the extent practicable.



Contact information

Jeff Berens, P.E., WisDOT Project Manager
(608) 245-2656

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