Tri-county expansion

WIS 441 Tri-County Project

Construction begins 2014
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WIS 441 Tri-County Project


The Wisconsin Department of Transportation (WisDOT) is developing plans to reconstruct the US 10/WIS 441 freeway. The WIS 441 Tri-County Project will reconstruct and expand US 10/WIS 441 from four to six lanes from Cold Spring Road to about 1/2 mile east of Oneida Street (approximately 6 miles).

WIS 441 Map









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The project is needed to address safety concerns and traffic demands on one of the region's vital transportation routes. Currently, the crash rates on US 10/WIS 441 exceed statewide averages for similar urban freeways. Traffic volume is expected to rise on US 10/WIS 441 in the years ahead, and additional traffic lanes are needed to safely accommodate this increase. Most of the existing interchanges also need improvements. For more information, visit the WisDOT website.

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If you would like to sign up for a weekly update on WIS 441/US 10/US41 traffic alerts, construction updates, and project information, please send your email address to: 

Melissa Kok
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