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Distance
159.0 mi
Duration
4h 20m
Checkpoints
16
Created
JUL 4, 2026
The road
Driftless Area Scenic Byway in Postville, Iowa is graded at 956 corners, about 6 for every mile you drive. 38 of them are genuinely tight, and the sharpest turns in at an 11 m radius. The longest straight runs 6.2 miles, so there is room to breathe between the technical sections.
- Graded corners
- 956
- Tight (1–2)
- 38
- Tightest radius
- 11 m
- Corners per mile
- 6
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
16
- #01
130 South Lawler Street
- #02
618 Cherry Valley Drive
- #03
1492 Linton Drive
- #04
2348 Natures Ln
- #05
1426 Great River Road
- #06
2246 Lafayette Ridge Drive
- #07
1576 Elon Drive
- #08
1231 Iowa Highway 9
- #09
1558 Iowa River Drive
- #10
3375 North Winn Road
- #11
309 Montgomery Street
- #12
Old Stage Road
- #13
10 9th Street Northwest
- #14
776 North Fork Hollow Road
- #15
Yellow River Drive
- #16
Driftless Area Scenic Byway
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