Then, WIS 138 superseded part of WIS 106 from Stoughton to US 14 near Oregon. In late-1978, US 14 was moved onto a newly built expressway around Oregon.
WIS 138 superseded a section of WIS 106 from Stoughton to US 14 near Oregon in 1978. In the same year, US 14 was relocated onto a newly built expressway around Oregon.