Release date: July 15, 2026
As part of the ongoing I-43 Rock Freeway pavement replacement and improvement project in Waukesha County, the Wisconsin Department of Transportation (WisDOT) is notifying motorists of an upcoming weekend-long partial interchange closure.
7:00 P.M. Friday, July 17 – 6:00 A.M. Monday, July 20
- WIS 164, between County ES (National Avenue) and Woodland Lane, is scheduled to close to traffic for storm sewer work and roadway widening.
- Both WIS 164 on-ramps to I-43, and the northbound I-43 exit ramp to WIS 164 will be closed during this work.
- The southbound I-43 exit ramp will remain open to northbound WIS 164 traffic only.
Access to the Big Bend Park and Ride lot will be maintained.
Detour:
The posted detour will utilize WIS 164, WIS 36, WIS 83, and County ES (National Avenue).
This work is weather dependent.
View the project website here:
https://projects.511wi.gov/43rfwaukesha/
For up-to-date travel information, use
511wi.gov.
For more information, contact:
Chris Verhyen
WisDOT Southeast Region Communications Manager
(262) 548-8757, Chris.Verhyen@dot.wi.gov