Beloit Road Construction Updates

Beloit Road Construction doesn’t mean we’re not open for business! Whether you are a visitor or resident, check here frequently for interstate construction updates.

Road Construction As of 5/22/2020

I-39/90 expansion and I-43 reconstruction (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 Cranston Road.
o Access remains OPEN to the Beloit rest area and local businesses.
• Updated: TRAFFIC SHIFT: On Wednesday (May 28), I-43 traffic will shift onto the new WIS 81 lanes between I-39/90 and Gateway Blvd.
o One lane will remain OPEN each way. Watch for lane shifts and crossovers.
o Be alert for construction equipment as bridge construction is taking place within the interchange area.
• Loop ramps are CLOSED at the I-39/90 and I-43/WIS 81 interchange in Beloit.
o I-39/90 traffic must use Exit 185 to access I-43 or WIS 81/Milwaukee Road.
o Ramps and crossroad traffic are controlled by traffic signals.
o Drivers on I-43 should be attentive for reduced speeds heading into Beloit.
• Colley Road under I-39/90, near Beloit, is CLOSED until June 2020.
o Alternate local routes are required.

Road Construction Updates on the Entire Project:

Go to the website for the Wisconsin Department of Transportation and the I-39/90 Project Team at or follow them on Facebook at

If you are a visitor, click here for more tips for planning your stay.