WIS 23 (WIS 33 to 1500’ west of County P)

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

Project location

WIS 23 (WIS 33 to 1500’ west of County P), between Reedsburg & Wisconsin Dells - Sauk County

Project overview

Proposed project plans to address 6.6 miles of deteriorating pavement on WIS 23 from WIS 33 to I-90 in Sauk County. The project consists of removing 4.75 inches of existing pavement and paving 5 inches of new asphaltic pavement. All existing curb and gutter is planned to remain in place.

Additional improvements include:

  • Widening the paved shoulders to 6 feet from Turtle Road to Water Street
  • Replacing the beam guard at the bridge over Dell Creek
  • Replacing the beam guard at the bridge over Dell Creek
  • Subgrade improvement just west of the bridge over Dell Creek, for approximately 650 feet
  • Subgrade improvement just north of Shady Lane for approximately 1,200 feet/li>

Public involvement

January 2021 - Virtual Public Involvement Meeting (PIM)


  • Spring/Summer 2026 - Construction start
    • Could start as early as Summer/Fall 2024 if funding allows
    • Construction is planned to take approximately 6 months

Traffic impacts/detours

Stage 1 – Detour

  • WIS 23 will be closed to thru traffic for the first half of construction. The detour will utilize WIS 33 and US 12.
  • Detour map

Stage 2 - Flagging operations

  • WIS 23 will remain open to traffic, managed by flagging operations, for the second half of construction.

WisDOT recognizes businesses located in work zones have special needs. It's critical customers have access to businesses and that they continue to visit them, regardless of any road work inconvenience and detour routes. Below are resources to help business owners prepare for the construction.



Contact information

Marc Schweiger, P.E.
WisDOT Project Manager
(608) 245-2633

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
TTY: 711
Email: swr.dtsd@dot.wi.gov