SIOUX CITY, Iowa – Aug. 6, 2025 – If you drive on Iowa 3 between Westfield, Iowa and Richland, S.D., you need to be aware of an upcoming construction project that may slow down your trip, according to the Iowa Department of Transportation’s District 3 office.
Beginning on Monday, Aug. 11, weather permitting, crews will close Iowa 3 so a joint Iowa DOT/DAIR project can take place. When the roadway is closed you will follow a marked detour route using Big Sioux River Road in Akron which turns into SD 48, Union County Road 2/477th Avenue, and SD 50, which becomes Iowa 3.
The anticipated project completion date is Saturday, Aug. 16.
The Iowa DOT reminds motorists to 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, drivers should stay alert, allow ample space between vehicles, and wear seat belts.
The latest traveler information is available anytime through our 511 system. Visit 511ia.org; call 511 (within Iowa) or 800-288-1047 (nationwide); stay connected with 511 on Facebook or X (find links at https://iowadot.gov/travel-tools/iowa-511/511-social-media-sites); or download the free app to your mobile device.
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For general information about this closure, please contact Sarah Tracy, District 3 transportation planner, at 712-274-5831 or sarah.tracy@iowadot.us.