I39/90 Construction updates

Weekly Construction Update: September 14-18
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).
    • Updated: I-39/90 southbound traffic shifted to the median between Buckeye Road/County AB and the Beltline interchange.
    • Be alert for lane shifts and reduced speed limit through this area.
  • 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: Nightly closure of westbound US 12/18 ramp to I-39/90 northbound.
    • 9 p.m. to 5 a.m. Monday and Tuesday (Sept. 14-15)
    • Alternate routes are required, such as the Beltline and US 51/Stoughton Road interchange.
  • Updated: Nightly lane closures on the eastbound US 12/18 ramp to I-39/90 northbound. 
    • 8 p.m. to 5 a.m. Monday through Thursday (Sept. 14-17)
    • 10 p.m. to 7 a.m. Friday (Sept. 18)
    • Be alert for crews and equipment in these areas.
  • 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.
    • Watch for the lane split along I-39/90 northbound prior to the County AB overpass.
  • Updated: Nightly closure of eastbound US 12/18 (Beltline) ramp to I-39/90 southbound.
    • 10 p.m. to 4 a.m. Wednesday and Thursday nights (Sept. 16-17)
    • Drivers must use alternate routes.
  • Siggelkow Road under I-39/90 near McFarland is CLOSED until mid-October 2020.
    • Alternate local routes will be required.
  • Updated: I-39/90 southbound ramp CLOSED to Madison Safety Weight and Enforcement Facility (SWEF).
    • 8 p.m. to 12 a.m. Wednesday (Sept. 16)
    • Exit 147 (County N) remains open.
  • Updated: Read the I-39/90 construction activities near Madison.

Polymer overlays for I-39/90 bridges
Edgerton Road, north of the WIS 73/US 51 interchange
WIS 59 over I-39/90 near Edgerton
Rock River bridge; Lake Drive bridge; and Saunders Creek bridge
Stateline Road over I-39/90 near Beloit

  • Updated: Nightly lane closures on I-39/90 northbound near Edgerton at the following bridges from 8 p.m. to 5 a.m. Monday through Friday (Sept. 14-18).
    • Rock River bridge
    • Lake Drive Road bridge, north of the WIS 59 interchange (Exit 163)
    • Saunders Creek bridge, north of the Edgerton Road overpass
  • Updated: Edgerton Road CLOSED over I-39/90, north of the WIS 73/US 51 interchange (Exit 160) until 8 p.m. Saturday, Sept. 19.
    • Alternate local routes are required.
  • Updated: Short-term lane closure on eastbound WIS 59 over I-39/90 near Edgerton.
    • 8 p.m. Sunday (Sept. 13) until 8 p.m. Saturday, Sept. 19
    • Be alert for lane shifts through this area.
  • Updated: WIS 59 westbound (Milton to Edgerton) CLOSED over I-39/90 near Edgerton.
    • 9 p.m. Friday, Sept. 18 to 9 p.m. Saturday, Sept. 19
    • No left turns from:
      • I-39/90 northbound to WIS 59 westbound (Janesville to Edgerton)
      • WIS 59 westbound to the southbound Interstate (Milton to Janesville)
    • Follow the signed detour of I-39/90 north to the WIS 73/US 51 interchange (Exit 160) to travel south on the Interstate.
  • Updated: Stateline Road CLOSED over I-39/90 near Beloit until 8 p.m. Saturday, Sept. 19.
    • Alternate local routes are required.
  • Watch for lane shifts near the bridges, including crews and equipment near the travel lanes.
  • Learn about the polymer overlay process.


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

  • Updated: I-39/90 traffic is located on their respective sides between Townline Road and the Rock River bridges.
    • Two lanes remain open in each direction.
    • Please be alert for new traffic patterns in this area.
    • Access remains OPEN to the Janesville rest area.
  • All I-39/90 traffic located on the northbound side between Townline Road and the WIS 26 interchange (Exit 171A).
  • 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

  • All I-39/90 traffic is located on the newly expanded northbound Interstate lanes between the US 14/Humes Road and WIS 26/Milton Avenue interchanges.
    • Follow the overhead signage and enter the lane system prior to the US 14 interchange for Exits 171 A-B. Watch the navigation video.
    • Be alert for the new traffic patterns through this area.
  • LONG-TERM RAMP CLOSURE: WIS 26/Milton Avenue ramp to I-39/90 southbound CLOSED until late August 2021.
    • Drivers must use the US 14/Humes Road ramp to access the southbound Interstate.
  • Updated: Nightly lane closures on WIS 26/Milton Avenue northbound and southbound between Morse Street and Kettering Street in Janesville.
    • 9 p.m. to 7 a.m. Monday through Friday (Sept. 14-18)
    • 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 (Sept. 14-18)
    • 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.
    • Updated: The Ice Age Trail under I-39/90, adjacent to Kennedy Road, is CLOSED until early summer 2021.


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

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

I-39/90 and I-43/WIS 81 interchange area reconstruction, Beloit
Illinois state line to Hart Road | County X/Hart Road to Freeman Parkway
Anticipated construction completion: Fall 2021

  • I-39/90 northbound traffic shifted onto the new northbound concrete pavement between Colley Road and Hart Road.
    • I-39/90 southbound traffic remains in the current configuration.
    • Access remains OPEN to local businesses.
  • 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