Iowa DOT News Release

Westbound U.S. 20 ramp to southbound I-29 in Sioux City to temporarily close Thursday night, April 23

Posted on: April 20, 2020

SIOUX CITY, Iowa – April 20, 2020 – A nighttime patching operation will require closing the westbound U.S. 20 ramp to southbound Interstate 29 in Sioux City from 6 p.m. Thursday, April 23, until 6 a.m. Friday, April 24, weather permitting, according to the Iowa Department of Transportation’s District 3 Office.

During this closure, motorists will be directed around the work zone using U.S. 20, I-129, and Dakota Avenue.

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