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travel across iowa
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Gerald J.
Posted 9/12/2018 19:30 (#6984815 - in reply to #6984712)
Subject: RE: travel across iowa



With new construction US 20 is 4 lane all across the state. Not quite finished between Galva and US 71. Mostly 4 lane divided, sometimes county roads cross on overpasses like interstate standards, sometimes every county road intersects with US20.

US 30 is mostly two lane with four lane from Ogden to Toledo and a few miles around the south side of Cedar Rapids.

4 lane divided speed limits are 65 and 2 lane 55 in Iowa.

If you are starting north of 20 I'd take 20 to 218 or I-380 at Waterloo and go south on one of them to 30 and somewhere in Illinois I'd head south to the Champaign vicinity. US 218 and I-380 go south to Iowa City and I-80. US 6 goes est from Iowa City, 2 lane. I-74 in Illinois is a reliable route to Champaign but is interstate.

As posted US20 in Illinois is crooked, hilly, 2 lane for a long way from the Mississippi river crossing. I have driven US30 to Chicago one round trip, and I'm thinking it varied from 2 to 4 lanes, had lots of traffic.

Gerald J.
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