Iowa DOT News Release

Nighttime lane and ramp closures on U.S. 20 from Lakeport Road to the Iowa/Nebraska state line in Sioux City begin Monday night, Sept. 7

Posted on: September 03, 2020

SIOUX CITY, Iowa – Sept. 3, 2020 – A pavement resurfacing project on U.S. 20 from Lakeport Road to the Iowa/Nebraska state line in Sioux City requires nighttime lane and ramp closures on Sunday through Friday nights beginning Monday, Sept. 7 until Friday, Sept. 18, weather permitting, according to the Iowa Department of Transportation’s District 3 Office.

Lane closures will occur from 6 p.m. until 6 a.m. and ramp closures will occur from 8 p.m. until 6 a.m. nightly. Ramp traffic will need to follow the signed detour route. 

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: Dakin Schultz at 712-274-5837 or

Iowa highway in the evening