Iowa DOT News Release

Temporary 4-way stop signs to replace signal lights on U.S. 18 at Grand Avenue and Clark Street in Charles City beginning on Monday, May 10

Posted on: May 06, 2021

NEW HAMPTON, Iowa – May 6, 2021 – As part of the U.S. 18 asphalt pavement resurfacing project, work to replace the existing signal lights on U.S. 18 at the intersections with Grand Avenue and Clark Street in Charles City will begin on Monday, May 10, and continue until mid-October, weather permitting, according to the Iowa Department of Transportation’s New Hampton construction office.

Work will begin with the removal of the existing signals and installation of temporary stop signs at the intersections to control traffic while new signal lights are being installed. Underground work for utilities, storm sewers, signals and curbing, as well as pavement work on U.S. 18 from Gilbert Street to the Cedar River railroad crossing will be taking place, as well.

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: Ron Loecher at 641-394-3161 or

Iowa highway in the evening