Route information | ||||
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Maintained by MoDOT | ||||
Length | 40.954 mi[1] (65.909 km) | |||
Major junctions | ||||
South end | Route 16 west of Canton | |||
US 136 south of Kahoka | ||||
North end | Iowa 81 near Farmington, IA | |||
Location | ||||
Country | United States | |||
State | Missouri | |||
Highway system | ||||
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Route 81 is a highway in northeastern Missouri. Its northern terminus is at the Iowa state line where it continues as Iowa Highway 81. Its southern terminus is at Route 16 west of Canton.