In 1956, WIS 86 extended northwest along former CTH-A (now CTH-O) to US 8 east of Catawba. In the fall of 1983, WIS 86 extended eastward towards the newly built US 51 Tomahawk bypass.
In 1956, WIS 86 was extended northwest along the former route of CTH-A (now CTH-O) to US 8 east of Catawba. In the fall of 1983, WIS 86 was extended eastward towards the newly constructed US 51 Tomahawk bypass.