I-39/90 Expansion Project

Illinois state line to Madison, Dane and Rock counties

Temporary configuration opens at I-43/WIS 81 interchange, Beloit

Posted: November 19, 2019

Starting Wednesday evening (Nov. 20), a temporary configuration will open at the I-39/90 and I-43/WIS 81 interchange in Beloit in preparation for upcoming construction activities.

What you need to know:

  • Existing interchange loop ramps will be CLOSED during most of the reconstruction and will be removed completely by fall 2021.
  • Motorists traveling on I-39/90 must use Exit 185 to access I-43 or WIS 81/Milwaukee Road (view the navigation map).
    • Ramps and crossroad traffic will be controlled by traffic signals.
    • Drivers on I-43 should be attentive for reduced speeds heading into Beloit.
  • To accommodate the overnight traffic switch, the following interchange ramps will be CLOSED from 8 p.m. Wednesday to 5 a.m. Thursday (Nov. 21):
    • I-39/90 northbound to I-43 northbound
    • WIS 81 loop ramp to I-39/90 northbound
    • I-39/90 northbound loop ramp to WIS 81/Milwaukee Road
    • Alternate routes are required during these closures. Left turns from I-43 and WIS 81 will be open to access I-39/90.
  • One lane open on I-39/90 in each direction from 6 p.m. Wednesday to 5 a.m. Thursday.
    • Backups and delays are expected in the area.
    • Please plan ahead, obey the posted speed limits and eliminate distractions, especially when driving in work zones.
  • All lane restrictions, ramp closures and work operations are weather dependent and subject to change.

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