Mountain road

Mountain road in Wilbraham, Massachusetts is graded at 49 corners, about 17.4 for every mile you drive. 3 of them are genuinely tight, and the sharpest turns in at a 9 m radius. There is no real rest on it — the longest straight is only 275 m before the next corner.

Graded corners

49

Tight (1–2)

3

Tightest radius

9 m

Corners per mile

17.4

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.