US 18 Intersections

Prairie du Chien, Crawford County

Schedule

Construction begins: May 26, 2026

  • May 26 – Early Jun: Stage 1
  • Early June – Mid August:  Stage 2
  • Mid-August – Early October: Stage 3A
  • Early October – Early November: Stage 3B
  • Early November – Late November: Stage 3C

Anticipated completion: November 2026

  • Minor finishing work may occur in 2027

 

Traffic impacts

US 18 will be closed to through traffic.

The project will be constructed in 3 stages:

Stage 1 – Right shoulder closure and lane closure of US 18 and Iowa Street

Stage 2 – US 18 and Wisconsin Street intersection closed and detoured utilizing WIS 27 and WIS 35

Stage 3A, 3B, 3C, and 3D – US 18 is closed south of Iowa Street and detoured utilizing WIS 27 and WIS 35