US 18 (Main Street intersection) - Crawford County

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

Project location

US 18 (Main Street intersection), City of Prairie du Chien - Crawford County

Project overview​

The Wisconsin Department of Transportation (WisDOT) plans to install single-lane roundabouts at the Wisconsin Street and Iowa Street intersections on Main Street.  The purpose of this project is to improve intersection safety for motorists and pedestrians​. Additional improvements include:

  • ​Storm sewer and utility improvements​
  • Lighting
  • Curb ramp improvements at the intersections will be updated to meet American Disability Act (ADA) standards
  • Pavement markings and signing improvements


  • Spring/Summer 2026 - Construction anticipated

Traffic impacts/detours

The road will remain open under staged construction operations.



Contact information

Jay Adams, P.E.
WisDOT Project Manager
(608) 785-9027​

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

Wisconsin Department of Transportation (WisDOT)
Southwest Region, La Crosse Office
3550 Mormon Coulee Road
La Crosse, WI 54601
Phone: (608) 785-9022
Fax: (608) 785-9969
TTY: 711