Construction

Construction Project Details

I-41 Mainline

Work will include expanding 23 miles of I-41 mainline to six travel lanes, constructing auxiliary lanes along I-41 between closely spaced interchanges, and constructing collector-distributor roads between Ballard Road and WIS 441. Four lanes of traffic will continue to remain open on the mainline during peak hours.

Traffic Impacts

Image of the anticipated schedule of the I-41 mainline, PDF attached

Some overnight work on the mainline will result in temporary traffic impacts and detours.

Lynndale Drive overpass is scheduled to be reduced to one lane in each direction from February to fall 2025.

County U overpass is scheduled to have a 14-day closure in summer 2025.

I-41 Mainline WIS 96 to Lynndale Drive

1. I-41 from WIS 96 (Wisconsin Ave) to Lynndale Drive. 2. Lynndale Drive over I-41. WIS 15 Overpass and Northbound exit ramp CLOSED.

1. Early work starts along I-41 mainline between WIS 96 and Lynndale Dr. on February 10, 2025 to prepare for mainline construction this spring

2. Lynndale Dr. lane closure/restrictions start February 10, 2025 through fall 2025

Project Brief

I-41 Mainline WIS 96 to Lynndale Drive Project Brief

Construction Schedule

WIS 96 to Lynndale Drive
2025 to 2026

County JJ to Miners Way
2025 to 2027

WIS 96 Interchange

As part of the I-41 project, the Wisconsin Department of Transportation (WisDOT) is reconstructing the WIS 96 interchange, beginning with the SB off-ramp. The reconstruction work includes adding auxiliary lanes between the WIS 96 and WIS 15 interchanges, constructing dual turn lanes on the SB off-ramp, and adding bicycle and pedestrian accommodations.

Traffic Impacts

1. Southbound I-41 off-ramp CLOSED March 2025 to summer 2025

EB WIS 96 detour:

SB I-41 to WIS 125/College Ave. off-ramp, follow WIS 125 east to Lynndale Dr., turn north onto Lynndale Dr. and continue to WIS 96/Wisconsin Ave.

WB WIS 96 detour:

SB I-41 to WIS 15/County OO/Northland Ave. off-ramp, follow WIS 15 west to County CB, turn south on County CB and continue to WIS 96/Wisconsin Ave.

Closures for the northbound on-ramp to I-41 will take place in 2026.

Image of the WIS 96 Interchange construction map.

Southbound exit ramp closure begins March 2025.

Click on the map below to view roads that will remain open during construction.

2025 Business access routes detailed map - PDF available

Project Brief

WIS 96 Project Brief

Construction Schedule

early 2025 to fall 2026

WIS 15 Interchange

The Wisconsin Department of Transportation (WisDOT) will be reconstructing the WIS 15 interchange as a diverging diamond interchange (DDI) to accommodate higher traffic volumes and increase safety. Additional bike and pedestrian accommodations, as well as crash investigation sites, will also be constructed.

WIS 15 Closures: Wis 15 Through Traffic closed early 2025 to fall 2025. I-41 Southbound Entrance Ramp closed early 2025 to fall 2025. I-41 Northbound entrance ramp closed late spring 2025 to fall 2025. I-41 Northbound exit ramp closed late spring 2025 to fall 2025. I-41 Southbound exit ramp closed late summer 2025 to fall 2025.

Traffic Impacts

I-41 will have periodic nighttime freeway closures during WIS 15 interchange reconstruction.

NB traffic will be detoured from I-41 at WIS 96 to WIS 47.
SB traffic will be detoured from I-41 at WIS 47 to WIS 96.

1. WIS 15/County OO/Northland Ave. over I-41 CLOSED February 3, 2025
EB WIS 15/County OO/Northland Ave. detour:

County CB to WIS 96/Wisconsin Ave. to Lynndale Dr.

‍WB WIS 15/County OO/Northland Ave. detour:

Lynndale Dr. to WIS 96/Wisconsin Ave. to County CB.

2. Southbound I-41 on-ramp CLOSED February 3, 2025 to fall 2025

3. Southbound I-41 off-ramp PARTIALLY CLOSED (allowing right turns only) February 3, 2025

SB I-41 to County OO/Northland Ave. detour:

SB I-41 to WIS 96/Wisconsin Ave. off-ramp, follow WIS 96 east to Lynndale Dr., turn north onto Lynndale Dr. back to County OO/Northland Ave.

FULL CLOSURE summer to fall 2025.

4. Northbound I-41 on-ramp CLOSED May 2025 to fall 2025

5. Northbound I-41 off-ramp CLOSED June 2025 to fall 2025

Click on the map below to view roads that will remain open during construction.

Project Brief

WIS 15 Project Brief

Construction Schedule

February 3, 2025 to late fall 2025

Contact

Brett Vissers
‍I-41 Project Leader
(920) 366-4393
Brett.Vissers@klengineering.com

Capitol Drive Overpass

Completed work includes reconstructing the Capitol Drive overpass to create a wider, safer roadway for bicyclists and pedestrians. The new structure also relocates the bridge piers to expand I-41 to accommodate rising traffic volumes.

Traffic Impacts

Open to traffic.

Construction Schedule

April 1 to Fall 2024

Contact

Brett Vissers
‍I-41 Project Leader
(920) 366-4393
Brett.Vissers@klengineering.com

Ballard Road Interchange

The Wisconsin Department of Transportation (WisDOT) will be reconstructing the Ballard Rd. interchange as a diverging diamond interchange (DDI). The new interchange will accommodate higher traffic volumes, increase safety and include additional bike and pedestrian accommodations. The project will also make improvements to a park and ride facility.

1. I-41 Mainline, 2. Ballard Road from Capitol Drive to I-41, including off- and on- ramps, 3. Ballard Road from I-41 to Evergreen Drive including ramps, 4. Capitol Drive from Commerce Court to Ballard Road.

Traffic Impacts

1. Ballard Rd. bridge over I-41 CLOSED spring to late fall 2025

SB I-41 to Ballard Rd. detours:

SB I-41 to County N. Turn north on County N and follow to County JJ. Turn west onto County JJ and follow to Ballard Rd.
SB I-41 to WIS 441. Merge onto SB I-441 and follow to County OO/Northland Ave. Exit onto County OO/Northland Ave. and turn west. Follow County OO/Northland Ave. to Ballard Rd.

NB I-41 to Ballard Rd. detour:

NB I-41 to WIS 47. Turn north on WIS 47 and follow to County JJ. Turn east onto County JJ and follow to Ballard Rd.

2. Northbound on- and off-ramps, and Ballard Rd. between Capitol Dr. and I-41 CLOSED summer to fall 2025

3. Southbound on- and off-ramps, and Ballard Rd. between I-41 and Evergreen Dr. CLOSED summer to fall 2025

4. Capitol Dr. between Commerce Ct. and Ballard Rd. CLOSED late summer to fall 2025

Click on the map below to view roads that will remain open during construction.

Project Brief

Ballard Road Project Brief

Construction Schedule

early spring to fall 2025

Holland Road and Vandenbroek Road Overpasses

The Wisconsin Department of Transportation (WisDOT) is reconstructing the Holland Rd. and Vandenbroek Rd. overpasses to create a wider, safer roadway for bicyclists and pedestrians. The new structures relocate the bridge piers to allow the expansion of I-41 to accommodate rising traffic volumes.

Traffic Impacts

1. Vandenbroek Rd. Overpass

CLOSED spring to late summer 2025

‍

2. Holland Rd. Overpass

CLOSED summer to late fall 2025

Project Brief

Holland Road and Vandenbroek Road Project Brief

Construction Schedule

spring to late fall 2025

County N Interchange

Completed work includes reconstructing the I-41 ramps and replacing pavement as a part of the area improvements. The existing interchange configuration at County N remains the same, with some modifications to turn lanes to accommodate additional traffic.

Traffic Impacts

Open to traffic.

Construction Schedule

June 20, 2024 to Fall 2024

Contact

Adam Janz
‍I-41 Project Leader
(262) 623-1121
Adam.Janz@wsp.com

Rose Hill Road Overpass

Completed work includes reconstructing the Rose Hill Road overpass to create a wider, safer roadway for bicyclists and pedestrians. The new structure relocates the bridge piers to allow the expansion of I-41 to accommodate rising traffic volumes.

Traffic Impacts

Open to traffic.

Photo of the newly reconstructed Rose Hill Road Overpass.

Construction Schedule

April 29, 2024 to late September 2024

Contact

Jason Geurts
‍I-41 Project Leader
(920) 366-3816
Jason.Geurts@dot.wi.gov

County J Interchange

The Wisconsin Department of Transportation (WisDOT) is reconstructing County J over I-41 along with the entrance and exit ramps, replacing pavement, constructing bicycle and pedestrian accommodations, and improving roundabouts to accommodate oversize/overweight vehicles as a part of the area improvements. The existing interchange configuration at County J remains the same as a diamond interchange with roundabouts.

Traffic Impacts

1. County J bridge over I-41 CLOSED spring to summer 2025

Traffic will be detoured using WIS 55 and WIS 96.

SB I-41 to County J/Lawe St. detour:

SB I-41 to WIS 55/Delanglade St. Follow WIS 55 north to County JJ/Edgewood Dr. Turn east on Edgewood Dr. and continue to County J/Lawe St.

NB I-41 County J/Lawe St. detour:

NB I-41 County J/Lawe St. detour: NB I-41 to WIS 55/Delanglade St. Follow WIS 55 south and continue to County J/Lawe St.

2. County J ramps CLOSED summer 2025

Click on the map below to view roads that will remain open during construction.

Project Brief

County J Project Brief

Construction Schedule

early 2025 to fall 2025

Wrightstown Post/Safety and Weight Enforcement Facility (SWEF)

Work will include constructing State Patrol’s new Northeast Region Headquarters in a two-story building, constructing a 400-foot communications tower and a 70-foot auxiliary tower.

Rendering of the anticipated Wrightstown Post/Safety and Weight Enforcement Facility

Construction Schedule

fall 2024 to summer 2026

Contact

Ben DeBaker
‍I-41 Project Leader
(262) 844-7777
DeBakerB@ayresassociates.com

Southbridge Road Interchange

Work will include roadway realignment, embankment placement (early fills), and utility relocation which will be completed in 2024 and 2025 in preparation for the new interchange. The remaining work will be completed as a multi-phase project occurring through 2026.

Traffic Impacts

Short-term lane closures along I-41 can be expected at night as a result of this project. Access for residents and businesses will be maintained.

1. French/Southbridge roads through movement will be closed from Creamery Road to Innovation Court beginning August 5, 2024, and continue to be closed through 2026

Through traffic detour- County D/Freedom Rd., County D/Lost Dauphin Rd, and County F/Scheuring Rd.

2. Mid Valley Drive between Birchwood Road and Quarry Park Drive will be closed for 14 days to complete the realigned Mid Valley Drive

3. Construction of a new service interchange at I-41 and Southbridge Road will begin in fall 2025

Click on the map below to view roads that will remain open during construction.

Construction Schedule

July 22, 2024 to fall 2026

Contact

Jason Geurts
‍I-41 Project Leader
(920) 366-3816
Jason.Geurts@dot.wi.gov

Construction Information

Construction Project Details

I-41 Mainline

WIS 96 Interchange

WIS 15 Interchange

Capitol Drive Overpass

Ballard Road Interchange

Holland Road and Vandenbroek Road Overpasses

County N Interchange

Rose Hill Road Overpass

County J Interchange

Wrightstown Post/Saftey and Weight Enforcement Facility (SWEF)

Southbridge Road Interchange

I-41 Mainline

Traffic Impacts

Project Brief

Construction Schedule

Contact

WIS 96 Interchange

Traffic Impacts

Project Brief

Construction Schedule

Contact

WIS 15 Interchange

Traffic Impacts

Project Brief

Construction Schedule

Contact

Capitol Drive Overpass

Traffic Impacts

Construction Schedule

Contact

Ballard Road Interchange

Traffic Impacts

Project Brief

Construction Schedule

Contact

Holland Road and Vandenbroek Road Overpasses

Traffic Impacts

Project Brief

Construction Schedule

Contact

County N Interchange

Traffic Impacts

Construction Schedule

Contact

Rose Hill Road Overpass

Traffic Impacts

Construction Schedule

Contact

County J Interchange

Traffic Impacts

Project Brief

Construction Schedule

Contact

Wrightstown Post/Safety and Weight Enforcement Facility (SWEF)

Construction Schedule

Contact

Southbridge Road Interchange

Traffic Impacts

Construction Schedule

Contact

Overall Construction Timeline

Overall Construction Timeline

2025 Construction Map

2025 Construction Map

2026 Construction Map

Overall Construction Timeline

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Helpful Links

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