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South DakotaDepartment of Transportation

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U.S. Highway 85 From Wyoming to Cheyenne Crossing

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175

Rapid City Area Office

605-394-2244

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2300 Eglin St
Rapid City, SD 57703

South Dakota Department of Transportation
Becker-Hansen Building
700 E. Broadway Ave.
Pierre, SD 57501

605-773-3265 (voice) 605-773-6214 (fax) Contact Us

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South Dakota Department of Transportation
Becker-Hansen Building
700 E. Broadway Ave.
Pierre, SD 57501

605-773-3265 (voice) 605-773-6214 (fax) Contact Us

U.S. Highway 85 From Wyoming to Cheyenne Crossing

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© 2026 State of South Dakota. All Rights Reserved.