| Highway 30 | ||||
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Route of SD 30 (in red) |
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| Route information | ||||
| Defined by SDCL §31-4-154 | ||||
| Maintained by SDDOT | ||||
| Length: | 17 mi (27 km) | |||
| Existed: | 1954 (approx.) – present | |||
| Major junctions | ||||
| West end: | I-29 west of White | |||
| East end: | MN 19 southwest of Hendricks, Minnesota | |||
| Highway system | ||||
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South Dakota numbered highways
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South Dakota Highway 30 is a state route located in east central South Dakota. It begins at Interstate 29 west of White, and runs easterly to the Minnesota border, becoming Minnesota State Highway 19. It is 17 miles (27 kilometers) in length.
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This is the second usage of the South Dakota 30 identifier.
The initial South Dakota 30 was assigned in the 1920s, to the route of the Black and Yellow Trail. It began at the Wyoming border southwest of Lead, and ran eastward across the state to the Minnesota border near Elkton. The number was replaced around 1926 with the implementation of the U.S. highway system. The Wyoming to Sturgis segment became U.S. Highway 85, the Sturgis to Midland segment South Dakota Highway 65, and the Hayes to Minnesota segment U.S. Highway 14.
The present South Dakota 30 was implemented around 1954, consisting of two segments. One segment ran from South Dakota Highway 25 north of De Smet, to U.S. Highway 81 south of Lake Poinsett; the second segment extended from U.S. Highway 77 east to the Minnesota border. These two segments were connected by 1960.
The western terminus was pulled back to U.S. 77 (I-29) by 1965.
South Dakota 30 currently is entirely within Brookings County.
The route of SD 30 is defined in South Dakota Codified Laws § 31-4-154.[1]