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US 20 westbound: Exit ramp closed.
US 20 westbound: Exit ramp closed.

At Exit 230: IA 21 (Waterloo). The exit ramp is closed due to road construction work. A detour is in operation. Until October 31, 2019 at about 11:59PM CDT.

Web Comment: New Hampton RCE (800-373-7343) - Black Hawk County **Ramp from US 20 West to IA 21**

Last updated on September 27
See Waterloo area traffic map