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About the US 41 Project

An important highway project for Wisconsin
US 41 is a 200-mile stretch of highway connecting two crucial economic regions in Wisconsin: southeastern Wisconsin and the Fox Valley. Construction work on the US 41 Project spans over 17 miles of highway in Winnebago County and 14 miles in Brown County. Work began in Winnebago in 2009 and will last through 2014, and work began in Brown County in 2010 and will last until 2017.

Ongoing construction includes: traffic lanes expanded from four to six-ten lanes; 16 US 41 interchanges improved, with 13 of those interchanges completely rebuilt; 40 roundabouts added; 17 traffic cameras installed along US 41; and an eight-lane Lake Butte des Morts Causeway. This project represents a significant step forward for Wisconsin and its economy.