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Large rocks creating road hazard near state park

Heard on: Ziebach SD Interop Group Calls
00:54
00:00
I had an individual call in in reference to grapefruit-sized rocks on Iron Mountain Road in the S curves.
audio iconTraffic
US-16A, South Dakota
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Recent Traffic Incidents in Custer County, SD

AI Summary

Traffic reported near US-16A, South Dakota on Feb 18, 2026, 5:36 AM. As discussed during the dispatch call, emergency units were dispatched to Iron Mountain Road near Custer State Park after a caller reported large rocks posing a hazard to vehicles, especially motorcycles. AI-generated summary from public dispatch audio. Not an official report.

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