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Distance
27.5 mi
Duration
1h 2m
Checkpoints
3
Created
JUL 6, 2026
The road
Custer Limestone Road in Custer, South Dakota is graded at 280 corners, about 10.2 for every mile you drive. 22 of them are genuinely tight, and the sharpest turns in at a 12 m radius.
- Graded corners
- 280
- Tight (1–2)
- 22
- Tightest radius
- 12 m
- Corners per mile
- 10.2
Corners are graded from the route’s own geometry on the rally 1–6 scale, where 1 is a hairpin. Road & Rally calls them out as you drive.
Checkpoints
3
- #01
US Highway 16/385, Custer, South Dakota 57730, United States
- #02
Custer Limestone Road, Custer, South Dakota 57730, United States
- #03
Custer Limestone Road, Hill City, South Dakota 82701, United States
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