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 will span over 17 miles of highway in Winnebago County from 2009-2014, and 14 miles in Brown County from 2010-2017. The construction includes: traffic lanes expanded from four to six-ten lanes; 16 US 41 interchanges improved, with 13 of those interchanges completely rebuilt; 44 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.