Iowa DOT News Release

Temporary closure of Pottawattamie County Road M-47 scheduled for Monday, Oct. 3 at 6 a.m.

Posted on: September 28, 2022

ATLANTIC, Iowa – Sept. 28, 2022 – An Iowa Interstate Railroad project to rebuild the at-grade crossing on Pottawattamie County Road M-47 south of Walnut will require closing the roadway to motorists from 6 a.m. Monday, Oct. 3 until Wednesday morning Oct. 5, weather permitting, according to the Iowa Department of Transportation’s District 4 Office.

Motorists will follow a marked detour route using Pottawattamie County Road G-30/Mahogany Road, U.S. 59, and Iowa 83 through Avoca (see map).

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Contact: Scott Suhr at 712-243-7627 or

Iowa highway in the evening