The Wisconsin Department of Transportation (WisDOT)
is overseeing a major reconstruction and expansion project in south-central Wisconsin. The I-39/90 Project extends approximately 45 miles along Interstate 39/90 from the Illinois state line to the US 12/18 interchange near Madison.
In order to address safety and congestion concerns, WisDOT will:
For more information on the project, including the most up to date information on plans, click here.
Reconstruct and expand I-39/90 from four to six lanes and reconfigure 11 interchanges.
Expand the Interstate to eight lanes (four lanes in each direction), from WIS 11 (Avalon Rd.) north to the WIS 26 interchange, to accommodate projected traffic increases.