Woodbury County Road L-37

April - Sept. 15 - Work on the U.S. 20 improvement project requires the closure of Woodbury County Road L-37 at the intersection with U.S. 20 and 155 Street beginning Thursday, April 14, weather permitting. Traffic on Woodbury County Road L-37 will be detoured onto Woodbury County Road D-22 to Correctionville. The roadways will remained closed to traffic through Sept. 15.

Moville to Correctionville

March - November - Construction work for the U.S. 20 reconstruction project requires closing U.S. 20 from 10 miles east of Moville to Correctionville beginning Monday, March 14, weather permitting, according to the Iowa Department of Transportation’s Sioux City construction office.

Motorists will be detoured around the construction zone by taking Woodbury County Road L-21 to Woodbury County Road D-22, and then onto Iowa 31. Peterson Contractors Inc. of Reinbeck is the contractor for this $29 million dollar project.

This detour will last until the week of Nov. 21, 2016.
Detour map

Holstein to Adams Avenue

C.J. Moyna & Sons of Elkader, IA was awarded the $36.1 million contract.

Correctionville to Holstein

Ames Construction Inc. of Burnsville, MN was awarded the $62.9 million contract. Construction activity is expected to begin in March.


Construction schedule overview

Construction of two additional lanes of U.S. 20 between Early and Moville began in 2014. This final 40 miles of the U.S. 20 expansion is scheduled for completion in fall 2018. Once completed, a four-lane U.S. 20 will span Iowa.

Click on the colored lines on the map for more information.



2014-2018

2015

2016-2018

2016-2018

2017-2018

Detour routes


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