Iowa DOT News Release

Detour of U.S. 18/71 in Spencer begins Monday, May 16

Posted on: April 27, 2022

SIOUX CITY, Iowa – April 27, 2022 – A railroad crossing replacement on U.S. 18/71 in Spencer will require detouring U.S. 18/71 traffic beginning on Monday, May 16 until May 24, weather permitting, according to the Iowa Department of Transportation’s District 3 office.

Traffic will be detoured using Clay County roads M-50 and P-19.

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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Contact: Dakin Schultz at 712-274-5837 or

Iowa highway in the evening