US 12 (Wisconsin Dells Parkway) (WIS 13 to E Adams Street)

Lake Delton to Wisconsin Dells, Sauk County

Schedule

Spring 2026 – Utility relocations continue

Summer 2026 – Preliminary off-road work begins

Fall 2026 – Major roadwork begins

Fall 2028 – Anticipated project completion

*Schedule is subject to change

 

Traffic impacts

  • Major construction operations and long-term lane closures will be restricted to the fall-spring seasons to avoid the summer peak tourist season.
  • One-way traffic will be required during spring stages with one lane open in each direction during most other stages.
  • Nighttime (10pm to 6am) single-lane closures will be permitted during weeknight (Monday – Thursday) summer months.