 In a June 19, 1936 resolution, K-4 was realigned slightly within La Crosse, which eliminated a short overlap with K-1 (modern US-183).In an August 7, 1941 resolution, the highway was realigned to the south of Ransom, which eliminated two railroad crossings.In a separate August 7, 1941 resolution, K-4 was realigned from Shields northeastward to Pendennis to eliminate four sharp curves.