Beloit Road Construction Updates

Beloit is open for business! Whether you are a visitor or resident, check here frequently for interstate construction updates.

As of 12/7/2018

I-39/90 northbound expansion (Hart Road bridge over I-39/90 to US 14/Humes Road interchange), Beloit to Janesville
Anticipated construction completion: Spring 2020
• Updated: I-39/90 northbound traffic shifted onto the new concrete pavement from Hart Road near Beloit to the US 14/Humes Road interchange (Exit 171B) in Janesville.
o Southbound traffic remains on current southbound side.
o Two lanes remain open in each direction.
• Updated: The I-39/90 northbound ramps to and from County S/Shopiere Road (Exit 183) are OPEN.

I-39/90 expansion and I-43 reconstruction (Illinois state line to Hart Road; County X/Hart Road to Freeman Parkway), Beloit
Anticipated construction completion: November 2019
• Colley Road under I-39/90, near Beloit, is CLOSED until summer 2019.
o Alternate local routes are required.
• One lane closed on I-43 southbound (County X/Hart Road to I-39/90) until mid-January.
o Plan ahead and anticipate slowdowns in this area.

For 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


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