GRIMES, Iowa – May 9, 2025 – If you drive on northbound Interstate 80/I-35 between the Southwest Mixmaster and Iowa 141 you need to be aware of upcoming overnight closure of the roadway that may slow down your trip, according to the Iowa Department of Transportation’s Grimes Construction office.
Northbound I-80/I-35 will be closed to traffic beginning at 10 p.m. on Wednesday, May 14, until 4 a.m. on Thursday, May 15, weather permitting.
When northbound I-80/I-35 is closed, you will follow a marked detour route that uses I-235, Valley West Drive, 100th Street, NW Urbandale Drive, and I-80/I-35 (see map).
Visit the Iowa DOT website at https://iowadot.gov/dsminterstates/Hickman-Road-Interchange/Hickman-Road-Interchange-Construction for additional information about construction at the U.S. 6/Hickman Road interchange.
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 Frank Leong, Grimes construction office, at 515-986-2863 or frank.leong@iowadot.us.