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 | ||||
|
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.