Category Archives: Construction

The IA 9/WI 82 bridge at Lansing has been closed again. The bridge was closed starting May 17 after one of the existing bridge’s piers moved. This isn’t the first time this has happened during construction of the bridge’s replacement … Continue reading →

The reconstruction of the Boyson Road exit on I-380 takes another step today. Part of the new bridge for the diverging diamond interchange has been built. Today and tomorrow — maybe — traffic will be switched to this bridge so … Continue reading →

It’s going to be hard to get from US 20 to US 30 in Grundy and Marshall counties this spring — and more is on the way. As of Monday, the highway has a major closure between IA 175 and … Continue reading →

The Iowa DOT says in a press release that the southbound ramps on I-380 to/from Boyson Road close starting today and lasting until July 4. Center Point Road will be used for the connection. This KCRG story from Sept. 29, … Continue reading →

This week, the western third or so of the I-35/80 multiplex in the Des Moines suburbs will close from 11 PM to 4 AM. The closures are needed for converting the Hickman Road exit into a diverging diamond interchange. The … Continue reading →

One of the biggest construction projects on San Marnan Drive since the route was built as IA 412 is Waterloo’s big project this summer. The road is going to be rebuilt this year, and much of the underlying road likely … Continue reading →

Four roundabouts are planned for central Dubuque on the University Avenue corridor. KCRG reports that drivers are using that street to get off US 20. (University is an ancient alignment of 20.) This plan would require buying houses at certain … Continue reading →

In a very rare move, a construction project is beginning in February. Three bridges on US 30 between Calamus and Wheatland, all turning 70 years old, are going to be replaced this year. The DOT press release says work will … Continue reading →

A month ago, the Iowa Transportation Commission approved fiscal year 2026 grants for the Traffic Safety Improvement Program. I worked on a Substack piece that ran the week afterward. The best part was that six days after the press release, … Continue reading →

At the Iowa Lincoln Highway Association chapter meeting this fall, someone said he heard that some semi drivers are avoiding US 20 in northwest Iowa, even though it’s now a four-lane road, because of limited slowdowns at Correctionville and Lawton. … Continue reading →