Iowa DOT News Release

Lane closures on U.S. 20 near the U.S. 20/Iowa 21 interchange in Waterloo begin Sunday night, March 31

Posted on: March 27, 2019

NEW HAMPTON, Iowa – March 27, 2019 – Setup of inside lane closures on U.S. 20 from the Cedar River bridges to the U.S. 20/Iowa 21 interchange will occur from 9 p.m. Sunday, March 31, until 6 a.m. Monday, April 1, weather permitting, according to the Iowa Department of Transportation’s New Hampton construction office.

The inside lane closures are needed to construct median crossovers to allow traffic to be placed in a head-to-head lane configuration in the current westbound lanes. Once all U.S. 20 traffic is in the westbound lanes, pavement removal and replacement will begin in the eastbound lanes. After the eastbound lanes are completed, work will begin on the westbound lanes in the same manner.

This project is scheduled for completion in mid-fall 2019.

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.

For more information about this and other Iowa DOT construction projects in Black Hawk and Bremer counties, follow the Black Hawk and Bremer County Construction Facebook page at!BlackHawkBremerCo.

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: Ron Loecher at 641-394-3161 or

Iowa highway in the evening