Route information | ||||
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Maintained by Iowa DOT | ||||
Length | 28.385 mi[2] (45.681 km) | |||
Existed | January 1931[1]–present | |||
Major junctions | ||||
South end | US 20 southwest of Masonville | |||
Iowa 3 southeast of Arlington | ||||
North end | Iowa 150 south of Fayette | |||
Location | ||||
Country | United States | |||
State | Iowa | |||
Counties | ||||
Highway system | ||||
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Iowa Highway 187 (Iowa 187) is a highway in northeastern Iowa. It begins at U.S. Highway 20 (US 20) southwest of Masonville and ends at Iowa 150 south of Fayette.