Iowa Avenue (Onawa, Iowa)

Visitors entering Onawa on State Highway 175 are greeted with a large welcome sign noting the community’s claim to fame: having the widest main street in the United States. The street, actually named Iowa Avenue, is 150 feet wide, large enough to fit a 10-lane highway. It’s composed of two lanes of traffic in each connection, along with frontage lanes and angled parking on each side of the street.

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Published November 22nd, 2010 | Downtowns | Monona County | Map