Iowa DOT News Release

Update: East First Street interchange at I-35 (exit 92) in Ankeny will now close Tuesday morning, June 2

Posted on: May 19, 2020

GRIMES, Iowa – May 19, 2020 – A project to reconstruct the interchange at East First Street and Interstate 35 (exit 92) in Ankeny into a diverging diamond interchange requires closing the interchange and East First Street between Southeast Delaware Avenue and Southeast Creekview Drive beginning Tuesday morning, June 2, until early November, weather permitting, according to the Iowa Department of Transportation’s Grimes construction office.

Construction crews will be removing all the exiting pavement, grading the roadbed, paving new lanes on East First Street, paving new ramps, and installing new signals, street lights, and signage. Additional information about the new diverging diamond interchange at East First Street is available at

I-35 traffic wanting access to East First Street will be detoured to the Northeast 36th Street interchange (exit 94). Traffic on East First Street wanting to access to I-35 will be detoured to U.S. 69/North Ankeny Boulevard, Northeast 36th Street, and then I-35.

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; 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.

To receive email or text alerts about traffic incidents, road closures, traffic delays, and other restrictions that affect this highway route or other routes you travel, the Iowa DOT offers the “Your 511” option on It’s easy to subscribe to Your 511 and sign up to receive the email/text alerts. Visit for simple, step-by-step instructions.


Contact: Brian Meyer at 515-986-2863 or

Iowa highway in the evening