Overview
Welcome to the official WisDOT website for the I-39/90 Expansion Project in south-central Wisconsin.
Stay informed and involved with the project:
- Sign up for project email updates!
- Download the 2019 Construction Guide!
- Read the Weekly Construction Update!
- Download the Interactive Motorist Map!
- Follow the Project Facebook page!
Thank you for your patience as we "improve a gateway to Wisconsin!"
Welcome to the official WisDOT website for the I-39/90 Expansion Project in south-central Wisconsin.
Stay informed and involved with the project:
- Sign up for project email updates!
- Download the 2019 Construction Guide!
- Read the Weekly Construction Update!
- Download the Interactive Motorist Map!
- Follow the Project Facebook page!
Thank you for your patience as we "improve a gateway to Wisconsin!"
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