ANKENY, Iowa – May 8, 2026 – If you drive north on Interstate 35 between Ankeny and Ames, you need to be aware of overnight closures for northbound traffic from Northeast 36th Street (Exit 94) up to U.S. 30 (Exit 111), according to the Iowa Department of Transportation’s (DOT) Marshalltown construction office.
Northbound I-35 will be closed nightly on Sunday and Monday, May 10 and 11, from 9 p.m. to 5 a.m., weather permitting, for shoulder widening work.
Detour route during overnight closures
When the interstate is closed, follow the marked detour route:
Exit northbound I-35 at Northeast 36th Street (Exit 94).
Travel west on Northeast 36th Street to U.S. 69.
Travel north on U.S. 69 to U.S. 30 in Ames.
Travel east on U.S. 30 to return to northbound I-35 (Exit 111).
The northbound I-35 rest area will be closed to the public beginning at 10 a.m. on Sunday morning, May 10. The rest area will not reopen until 5 a.m. on Tuesday morning, May 12.
Travel information and work zone safety
Visit 511ia.org for current detour route information before traveling through this construction zone and pay attention to detour signs and message boards while driving.
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 Iowa DOT’s 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.
This content is sourced from
Iowa Department of Transportation
. It reflects the author's views and has not been edited by our newsroom. It may have been generated using AI assistance.