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.

Roundabout education

Below is a link to WisDOT's website for information on roundabouts. See how roundabouts work for instructional videos and pamphlets.


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

Jennifer Kobryn, P.E.​​​
WisDOT Supervisor
(608) 246-5339

Hannah Punzel
WisDOT Southwest Region Communications Manager
(608) 246-7907

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