I39/90 Construction updates

Weekly Construction Update: August 3-7
All lane restrictions, road and ramp closures, and work operations are weather dependent and subject to change.

Two lanes remain open to traffic on I-39/90 (in each direction) during daytime hours and weekends. Be alert for crossovers, don’t tailgate and drive with caution through all work zones!

Access remains open to area businesses in the project area. Please continue to patronize the area businesses!

NOTE: Next week Monday through Friday, nightly single lane closures (8 p.m. – 5 a.m.) are planned on I-39/90 northbound and southbound in the following work zones, unless noted otherwise. Minor delays may occur during these lane closures.

NOTE: Only CLOSED roads are listed below; if a road is not listed, the road is OPEN.


I-39/90 and US 12/18 (Beltline) interchange area
County AB/Buckeye Road to south of the Beltline interchange
Femrite Drive underpass
Anticipated construction completion: Fall 2021

  • I-39/90 traffic located on existing lanes through the Beltline interchange (Exit 142 A-B).
  • One lane CLOSED on westbound US 12/18 from Millpond Road to the I-39/90 southbound loop ramp.
    • The lane closure will continue throughout the 2020 construction season.
  • LONG-TERM CLOSURES: The two Beltline interchange loop ramps are CLOSED until mid-October 2020.
    • I-39/90 southbound exit loop ramp (Exit 142B) to eastbound US 12/18.
    • Westbound US 12/18 loop ramp (Exit 267A) to I-39/90 southbound.
    • Signed detour route: Beltline and US 51/Stoughton Road interchange.
  • Updated: The I-39/90 northbound ramp to US 12/18 westbound (Beltline) is closed from 9 p.m. Thursday (August 6) to 5 a.m. Friday (August 7). Follow the signed detour route.
  • Updated: Read the I-39/90 and Beltline interchange construction operations.

County AB to US 12/18 (Beltline) interchange, Madison
Siggelkow Road underpass
Anticipated construction completion: November 2020

  • I-39/90 traffic is shifted onto the new southbound concrete pavement between the US 12/18 (Beltline) interchange and County AB near McFarland.
    • Be alert for new traffic patterns through this area.
  • Updated: Nightly lane closure on I-39/90 northbound near the Beltline interchange.
    • 8 p.m. to 5 a.m. Wednesday through Friday (August 5-7).
    • 10 p.m. to 7 a.m. Saturday through Sunday (August 8-9).
  • Updated: Nightly lane closure on I-39/90 southbound from County AB to Door Creek.
    • 8 p.m. to 5 a.m. Thursday through Friday (August 6-7).
  • Siggelkow Road under I-39/90 near McFarland is CLOSED until mid-October 2020.
    • Alternate local routes will be required.
  • Updated: Read the I-39/90 construction activities near Madison.


Kennedy Road to Rock River bridges, Janesville to Edgerton
Townline Road, County M and Newville Road underpasses
Anticipated construction completion: November 2020

  • All I-39/90 traffic shifted onto the southbound side from the Rock River bridges to Townline Road, north of the WIS 26 interchange (Exit 171A).
    • I-39/90 northbound traffic shifted onto the new pavement between the WIS 26 interchange and Townline Road.
    • Access remains OPEN to the Janesville rest area.
  • Updated: Read the I-39/90 construction operations between Janesville and Edgerton.

WIS 26/Milton Avenue and US 14/Humes Road interchanges, Janesville
Kennedy Road underpass
Anticipated construction completion: Fall 2021

  • I-39/90 northbound traffic is located on the newly expanded northbound Interstate lanes between the US 14/Humes Road and WIS 26/Milton Avenue interchanges.
    • Northbound Interstate traffic exiting at WIS 26/Milton Avenue (Exit 171 A) or US 14/Humes Road (Exit 171 B), follow the overhead signage and enter the lane system prior to the US 14 interchange.
    • Watch the navigation video.
  • Updated: I-39/90 northbound lane closure from WIS 26/Milton Ave. to Kennedy Road.
    • 9 p.m. to Midnight on Tuesday (August 4)
  • I-39/90 southbound traffic will remain in the current configuration until early fall.
    • The Ice Age Trail under I-39/90, adjacent to Kennedy Road, is CLOSED until October 2020.
  • Updated: Nighttime lane closures on WIS 26/Milton Ave. at the I-39/90 interchange (Exit 171A).
    • 7 p.m. to 7a.m. Monday (August 3).
    • Plan ahead and be alert for slowdowns in this area.
  • Updated: Daily lane closures on Deerfield Drive between Mercy Health and the Ryan Road connection.
    • 7 a.m. to 5 p.m. Monday through Friday (August 3-7)
    • Plan ahead and be alert for slowdowns in this area.
  • Updated: Read the I-39/90 construction activities at the WIS 26 and US 14 interchanges.

Polymer overlays for I-39/90 bridges
Bridge over the Union Pacific Railroad in Janesville

  • Updated: Nightly lane closures on I-39/90 northbound and southbound south of the County O.
    • 8 p.m. to 5 a.m. Sunday through Friday (August 2-7)
    • Be alert for slowdowns in this area.
  • Watch for lane shifts near the bridge, including crews and equipment near the travel lanes.
  • Learn about the polymer overlay process.


REMINDER: Beloit Rest Area/Welcome Center (rest area 22), north of the Illinois state line
Anticipated completion: Late October 2020

  • The Beloit Rest Area/Wisconsin Welcome Center is CLOSED starting Monday (Aug. 3) until late October 2020.
    • Access at the I-43/WIS 81 interchange (Exit 185) remains OPEN to area restaurants, gas stations and lodging.
    • The La Prairie Safety Weight Enforcement Facility (SWEF), north of the County S/Shopiere Road interchange (Exit 183), remains OPEN.
    • View other rest areas across Wisconsin.

I-39/90 expansion and I-43 reconstruction, Beloit
Illinois state line to Hart Road | County X/Hart Road to Freeman Parkway
Anticipated construction completion: Fall 2021

  • All I-39/90 traffic is shifted onto the existing southbound lanes from Hart Road to Colley
    • Access remains OPEN to local businesses.
    • I-39/90 northbound traffic is using the exit ramp to I-43/WIS 81 (Exit 185), after the Cranston Road overpass.
  • I-43 traffic is located on the new WIS 81 lanes between I-39/90 and Gateway Blvd.
    • One lane remains OPEN each way. Watch for lane shifts and crossovers.
    • Be alert for construction equipment as bridge construction is taking place within the interchange area.
  • Updated: Read the I-39/90 and I-43 construction operations near Beloit.

For more information, contact:
Steven Theisen
I-39/90 Project Communications Manager
(608) 884-1230 | steven.theisen@dot.wi.gov

WisDOT and the I-39/90 Project Team
Follow us on Facebook: www.facebook.com/WisconsinI3990Project