South Dakota DOT Seeks Public Input On Rapid City-Area Transportation Study
The South Dakota Department of Transportation is seeking public input on a transportation study for Interstate 90 and Highway 16B in the Rapid City area.
Rapid City, SD, October 13, 2026 —
The South Dakota Department of Transportation is seeking public input on a transportation study involving Interstate 90 and Highway 16B in the Rapid City area.
The department’s request concerns both highway routes, but the available information does not describe the study’s scope, the issues it will examine or how public comments may be submitted. It also does not provide a deadline, meeting schedule or other details about the input process.
The summary does not identify specific proposed changes, construction plans or decisions tied to the study. It therefore remains unclear what questions officials hope to address through public feedback or how that feedback will be used. No project costs, timelines or findings were included in the information provided.
Public input is the only stated next step. The available summary does not say whether the department has released additional study materials or when further information may be made available.
The study concerns I-90 and Highway 16B in the Rapid City area, but no specific locations along either route were identified. The department’s request, as described, is limited to seeking public input on the transportation study.
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