Iowa DOT releases details of I-380 reconstruction project - KWWL - Eastern Iowa Breaking News, Weather, Closings

Iowa DOT releases details of I-380 reconstruction project


The Iowa Department of Transportation has released details on the project that will reconstruct 6.49 miles of southbound Interstate 380 from the U.S. 20 interchange to west of River Forest Road in Waterloo this summer.

During the project, the current pavement will be replaced with 11.5 inch thick concrete and the roadway will be widened by two feet, making a 14 foot wide driving lane and 12 foot wide passing lane.  They will also replace the bridge approaches and guardrails.

During the project, the ramps from River Forest Road and Raymond Road to southbound 380 will be closed.  The ramps at Evansdale Drive will remain open. 

The DOT says they will use median crossovers to move southbound traffic to the northbound lanes.  They will also construct two emergency parking areas in the northbound lanes.

The project is scheduled to begin in late April with patching work in the northbound lanes and the construction of the median crossovers.  That work is estimated to take four weeks to complete.

Then, in mid-May, southbound traffic will be move to the northbound lanes for the reconstruction project.  Drivers are urged to find an alternate route.

Emergency detour routes have been established in the event that the interstate would need to be shut down during the project.

The DOT will use cameras, sensors and message boards to help keep traffic moving as smoothly as possible in the construction area.  You can view real-time conditions at

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