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You’re Invited!

Public Involvement Meetings

Join us online or in person at one of three
I-41 Project meetings scheduled for March 2024

Learn More

Northeast Wisconsin


What’s happening NOW on I-41?

In early spring 2024, crews began work for the reconstruction of the Capitol Drive overpass, marking the first scheduled closure of the I-41 Project. Four lanes of traffic are expected to remain open on I-41 during peak travel times, with some scheduled lane closures and detours expected during off-peak hours. View the construction page for additional details on upcoming construction work.

View 2024 Construction Story Map

Work zones are a sign to slow down. Keep an eye out for orange signs, construction barrels, flags, workers or flashing lights during construction to keep everyone safe.

PDF2024 Construction Map jpeg - Click for PDF

Road construction will begin in early 2024 and will impact multiple interchanges and overpasses. Click here to view more I-41 Project construction information.

WisDOT and Wisconsin Department of Natural Resources (WDNR) staff coordinate regularly during transportation project development.

The I-41 Project team hosts public involvement meetings to share updates and interact with the public, businesses, and local and elected officials.

Professional surveyors take measurements along the corridor, which will provide topographical data used for project planning, design and construction.

Professional surveyors use maps and magnetic locator tools to identify underground survey markers and property pins.

Soil investigations reveal the types of soil, bedrock depth and groundwater conditions upon which roadway structures will be built.

To obtain samples, licensed operators drill to various depths depending on the type of structure expected in a given location.

Engineers analyze the results of the soil samples when designing the roadways, bridges and other structures for the project.

Project Traffic Impacts

  • (Updated June 14)

    Week of June 17

    • Drivers will encounter various overnight reduced lanes on Northbound (NB) and Southbound (SB) I-41 in work zones.
    • County N interchange is scheduled to be CLOSED Thursday, June 20 through late September 2024.
      • Traffic will be detoured using County OO, WIS 55, and County JJ.
    • NB I-41 between WIS 441 (exit 145) and WIS 55 (exit 148) is scheduled to be CLOSED overnight Wednesday, June 19 from 10 p.m. to 4:30 a.m.
      • Detour: From NB I-41, use exit ramp for southbound WIS 441, take the exit for County OO, turn left (east) on County OO. Turn left (north) on WIS 55, continue to NB I-41.
      • The following ramps will also to be closed during the overnight SB I-41 full closures:
        • WIS 441 to NB I-41 entrance ramp CLOSED from 9 p.m. to 6 a.m.
        • NB I-41 entrance ramp from County N CLOSED from 9 p.m. to 6 a.m.
    • SB I-41 between WIS 55 (exit 148) and WIS 441 (exit 145) is scheduled to be CLOSED overnight Thursday, June 20 from 10 p.m. to 4:30 a.m. and Friday, June 21 from 11 p.m. to 6 a.m.
      • Detour: From SB I-41, use exit ramp for WIS 55, turn left on SB WIS 55, turn right (west) on County OO, take the entrance ramp for NB WIS 441, continue to SB I-41.
      • The following ramps are also anticipated to be closed during the overnight SB I-41 full closures:
        • SB I-41 entrance ramp from WIS 55 CLOSED from 9 p.m. to 6 a.m.
        • SB I-41 entrance ramp from County N CLOSED from 9 p.m. to 6 a.m.
    • Capitol Drive over I-41 between N. Capitol Court and Northridge Lane is closed until August 2024.
    • Rose Hill Road between Fairlane Drive and E. Evergreen Drive is closed through mid-September 2024.
For current traffic impacts of additional northeast region projects, visit or refer to the map below.

Tracking progress

The I-41 Project Journey

Follow along as the project travels from design through completion.

Design/Traffic Management

Real Estate


An arrow pointing to the current design progress.An arrow pointing to the current rel estate progress.An arrow pointing to the current utilities progress.An arrow pointing to the current construction progress.
Design/Traffic Management
Tasks in the design phase include finalizing plans and specifications; appraising and acquiring real estate; relocating utilities; finalizing engineering cost estimates; planning and coordinating traffic management and incident response with local municipalities, law enforcement, and emergency responders; and engaging and informing the public about work in the corridor.
Real Estate
Strengthening our highway system requires that WisDOT carefully manage and sometimes acquire the real estate – or right of way – that surrounds it. This property can include land, homes and businesses. Tasks related to real estate work can include property appraisals, negotiations and relocations, and topographic surveys or layouts of proposed impacts to right of way.
Almost every highway construction project must address utilities, which are often located within or adjacent to the highway right of way. Tasks related to utilities work can include the relocation, replacement or adjustment of utility facilities that use the path of the highway.
In addition to the obvious – constructing the project – other tasks during this phase include advertising and evaluating bids from contractors; awarding various work contracts; and continuing coordination and communication with local officials, residents, businesses, utility owners and other state agencies.
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