Four days later, the Iowa DOT took control of County Road J64 from I-29 west of Hamburg to US 59 and included a brief overlap with US 275; this was mostly the same section of road that had previously been a part of Iowa 333 from the late 1930s to the mid 1960s.
Four days later, the Iowa Department of Transportation took over County Road J64 between I-29 and US 59, including a brief overlap with US 275; this section of road had previously been part of Iowa Highway 333 from the late 1930s to the mid 1960s.