Length: 240.866 mi. Direction: south-north. South Dakota Highway 47 (SD-47) is a highway in the central part of South Dakota that begins at the Nebraska state line and ends north of Eureka at the North Dakota state line. The road stretches across the counties of Keya Paha, Gregory, Lyman, Buffalo, Hyde, Faulk, Potter, Walworth, Edmunds, McPherson, and McIntosh. It was opened in 1927.
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