By 1960 the central segment was moved onto its current alignment. The entire roadway was paved by 1971. The western end was moved from the Illinois state line to US 41 in the late 2000s or early 2010s.
By 1960, the central portion of the road was relocated to its present alignment. By 1971, the entire roadway had been paved. The western end of the road was moved from the Illinois state line to US 41 in the late 2000s or early 2010s.