Location: I-80 and US 63, Poweshiek Cty Reassurance shield after the US 63 interchange. Location: I-80 and CR V18, Poweshiek Cty Reassurance shield after CR V18, which for some reason didn’t get the full pentagon treatment. Location: I-80 and IA 21, Poweshiek Cty A couple miles later, we’ll approach Iowa 21. Location: I-80 and IA … Continue reading Interstate 80, US-63 to IA-21