Iowa DOT News Release

Iowa 117/North Walnut Street at the Iowa Interstate Railroad crossing in Colfax to temporarily close Sept. 28 for repairs

Posted on: September 15, 2020

AMES, Iowa – Sept. 15, 2020 – Replacement of the Iowa Interstate Railroad crossing on Iowa 117/North Walnut Street in Colfax will require closing the roadway to traffic from Monday morning Sept. 28 until Tuesday, Oct. 6, weather permitting, according to the Iowa Department of Transportation’s District 1 office. Motorists will be directed onto a signed detour during this closure.

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: John Narigon at 515-986-5471 or

Iowa highway in the evening