 Iowa Highway 188 | ||||
|---|---|---|---|---|
 Iowa 188 highlighted in red | ||||
| Route information | ||||
| Maintained by Iowa DOT | ||||
| Length | 24.231 mi[1] (38.996 km) | |||
| Existed | 1945[2]–present | |||
| Major junctions | ||||
| South end |  Iowa 3 near Clarksville | |||
| East end |  US 63 near Tripoli | |||
| Location | ||||
| Country | United States | |||
| State | Iowa | |||
| Counties | ||||
| Highway system | ||||
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Iowa Highway 188 (Iowa 188) is a state highway in north-central Iowa. The route is signed both north–south and east–west because of a 90-degree corner near the route's midpoint. The route begins at Iowa Highway 3 south of Clarksville and ends at U.S. Highway 63 near Tripoli.
- ^ 2009 Volume of Traffic on the Primary Road System of Iowa (PDF) (Report). Iowa Department of Transportation. January 1, 2009. Retrieved July 5, 2010.
- ^ Iowa Centennial Highway Map (PDF) (Map). Iowa State Highway Commission. 1946. Retrieved June 6, 2011.