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Interstates in South Dakota

Below are short notes about the main interstates that run through South Dakota. Use the map to check real-time traffic conditions.

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I-90

I-90 serves key corridors in South Dakota. Expect typical congestion near urban centers and interchanges; check local DOT feeds for incidents and construction. This page is static — maps above show live traffic overlay.

I-29

I-29 serves key corridors in South Dakota. Expect typical congestion near urban centers and interchanges; check local DOT feeds for incidents and construction. This page is static — maps above show live traffic overlay.