WEST DES MOINES, Iowa — Oct. 22, 2026 — If you drive on I-35, I-80, and I-235 around the Southwest Mixmaster you need to be aware of overnight road and ramp closures that may slow down your trip, according to the Iowa Department of Transportation’s District 1 office.
In order to perform various work around the southwest mixmaster, the following closures are planned:
Thursday Oct. 22nd
- From 9pm – 5am, the following ramps will be closed:
- WB I-235 to SB I-35
- NB I-35 to WB I-235
- WB I-235 to NB I-35
- WB I-235 to 50th St.
Friday Oct. 23rd
- The previously scheduled closures for Friday 10/23 are canceled.
Sunday Oct. 25th and Monday Oct. 26th
- From 9pm – 5am, the eastbound Valley West Drive entrance and exit ramps will be closed:
Monday Oct. 26th and Tuesday Oct. 27th
- From 10pm – 4am, there will be a full closure of eastbound I-235 following ramps will be closed: between the southbound I-35 exit ramp and the westbound I-80/southbound I-35 entrance ramp
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.
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For general questions about this project contact Kasi Province, Grimes Construction office, at 515-986-2863 or [email protected].
2300 SE 17th St.
Grimes, IA 50111