Category Archives: Construction

Jun 21

IA 150 construction affecting RAGBRAI

It turns out there was a reason for moving RAGBRAI away from Brandon and Urbana: Riders would have been going through a construction zone. According to Vinton Newspapers, IA 150 is being resurfaced between Vinton and Independence, including paving the … Continue reading

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Jun 07

I-80/380: Watch your exit points

A few weeks ago, the I-80/380 interchange got some modifications related to where traffic gets on and off. Now, westbound 80 to northbound 380 comes at the overpass of US 6 and the railroad, which is VERY soon after the … Continue reading

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Jun 04

Four-lane US 30 in Tama County open

Ten years and nine days after what I think is the first announcement about it, the new four-lane US 30 in Tama County from Tama to near IA 21 opened Thursday Wednesday*. (Story: Tama-Toledo News Chronicle) This is a complete shift … Continue reading

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Jun 03

Dubuque highway chronology updated

August 23, 2020: Southeast corner of the Southwest Arterial at US 61, looking northwest. Note the wrong-way multiplex. The city names look seriously undersized to me. I would’ve made them larger and put them on the same line (“Dubuque / … Continue reading

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May 21

Notes on 2022-26 five-year plan (2)

Major and/or interesting things in the Iowa Transportation Commission’s five-year program, continued: New IA 9 bridge over the Mississippi River at Lansing in 2024, but removal of the present one in 2026 (which, because all of these are fiscal years, … Continue reading

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May 19

Notes on 2022-26 five-year plan (1)

June 20, 2017: This intersection on the south side of Nevada will not be closed in 2023 in favor of an overpass between here and the S14 intersection in the deep background. UPDATE/CORRECTION 6/25/21: Current plans leave the intersection intact … Continue reading

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May 17

Diverging diamond interchange coming to Coralville

I-80’s 1st Avenue exit in Coralville, scheduled for replacement in 2023, will be Johnson County’s first diverging diamond. That will be a year after I-380 at Tower Terrace Road becomes the first such exit in eastern Iowa. The interesting thing … Continue reading

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May 10

Council Bluffs dual, divided freeway completion this week

An e-mail from a mailing list and this DOT press release bring good news for western Iowa: The I-80 dual, divided freeway separation will be completed this week. There will be some closures to get lane shifts complete, but starting … Continue reading

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May 03

US 61 four-lane: Where the rest stands now

The DOT has released final plans for four-laning US 61 from the north end of the future Mediapolis bypass to just north of IA 78, including a new interchange with a slightly extended IA 78. Typically, there would be a … Continue reading

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Apr 30

IA 58 extension to get exit numbers

July 15, 2007: One of the places getting new BGSs and exit tabs on IA 27/58 in Cedar Falls. In Cedar Falls, the Avenue of the Saints is officially IA 27/58. The IA 58 freeway was talked about for decades … Continue reading

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