County N interchange
Opening in fall 2017, the I-39/90 and County N interchange, near Stoughton, was reconstructed into a diamond interchange with three roundabouts, in order to improve safety, efficiency and reduce overall congestion in the area.
Download the County N interchange brochure.
WisDOT created a narrated animation video, which shows two major movements at the interchange and demonstrates how to safely navigate the new interchange.