Overnight Closures of East- and Westbound I-80 in Dallas County Begin July 21

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DE SOTO, Iowa – July 14, 2026 – Motorists who travel on Interstate 80 in Dallas County need to be aware of upcoming overnight closures that begin on Tuesday, July 21, according to the Iowa Department of Transportation’s (DOT) Creston Construction office. 

Eastbound I-80

  • Crews will close eastbound I-80 at 8 p.m. Tuesday, July 21 until 5 a.m. Wednesday, July 22, from U.S. 169 (Exit 110) at De Soto, to Dallas County Road R-16 (Exit 113) near Van Meter.  
  • This closure will allow crews to shift eastbound traffic onto the newly constructed lanes.

Westbound I-80

  • Crews will close westbound I-80 from Dallas County Road R-16 (Exit 113) near Van Meter, to Dallas County Road P-56 (Exit 106) to allow for the removal of temporary barrier rail and pavement markings and to paint new markings on the new configuration.
  • Westbound I-80 will be closed from 9 p.m. Wednesday, July 22, until 5 a.m. Thursday, July 23, and again at 9 p.m. Thursday, July 23, until 5 a.m. Friday, July 24.

U.S. 169 south of Adel is currently closed. Traffic will need to follow the signed detour routes. Please refer to the detour routes on the map below. 

I-80 Closures De Soto to Van Meter

I-80 Closures De Soto to Van Meter

Visit the Iowa DOT website at https://iowadot.gov/modes-travel/roads-highways/major-construction-projects/des-moines-area-interstate-projects#i-80-in-dallas-county for additional information about construction along I-80 in Dallas County.

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. 

It’s easy to subscribe to Your 511 and sign up to receive email/text alerts. Visit https://new.511ia.org/#login to sign up. For instructions and help with this feature, visit https://www.511ia.org/help/section/how-to-create-and-manage-a-511-account.html.

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For general questions about this project contact Akhilesh Pal, Creston construction office, at 641-782-4310 or akhilesh.pal@iowadot.us.