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Distance
4.5 mi
Duration
46m
Checkpoints
3
Created
OCT 26, 2026
The road
Unnamed Hawaiian Road #4 in Hawaii is graded at 99 corners, about 21.9 for every mile you drive. 56 of them are genuinely tight (57% of the road), and the sharpest turns in at an 8 m radius. There is no real rest on it — the longest straight is only 70 m before the next corner.
- Graded corners
- 99
- Tight (1–2)
- 56
- Tightest radius
- 8 m
- Corners per mile
- 21.9
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
Haiku
- #02
10 Hana Highway
- #03
10 Hana Highway
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