 With the exception of freeway segments between Sheboygan Falls and Sheboygan, an expressway segment between Sheboygan Falls and near Greenbush, a freeway concurrency with I-39, and an expressway segment concurrent with U.S. Route 151, the highway is generally either two-lane surface road or urban multilane arterial.WIS 23 provides access to several important Wisconsin destinations, such as the House on the Rock, the Wisconsin Dells area and various state parks.WIS 23 begins at WIS 11 in Lafayette County, five miles (8 km) east of Shullsburg, and passes north through Darlington.