Iowa DOT News

Traffic shift on U.S. 20 east Sioux City scheduled for Wednesday, Nov. 22

SIOUX CITY, Iowa – Nov. 21, 2023 – If you’re traveling on U.S. 20 east of Sioux City, traffic lanes will be shifted onto the recently reconstructed ramps and eastbound lanes on Wednesday, Nov. 22 at noon, weather permitting. Please pay close attention to all signs in the area as you get adjusted to the new traffic pattern.

Help keep everyone on the road safer. Drive with caution, obey the posted speed limit and other signs in the work area, and be aware that traffic fines for moving violations are at least double in work zones. As in all work zones, you should stay alert, allow ample space between vehicles, and wear seat belts. 

The latest traveler information is available anytime through our 511 system. Visit; call 511 (within Iowa) or 800-288-1047 (nationwide); stay connected with 511 on Facebook or Twitter (find links at; or download the free app to your mobile device. 

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For general information about this project contact Dakin Schultz, District 3 Office, at 712-274-5837 or [email protected]


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