Petersburg Pass

Petersburg Pass in Williamstown, Massachusetts is graded at 47 corners, about 6.7 for every mile you drive. 2 of them are genuinely tight, and the sharpest turns in at an 8 m radius.

Graded corners

47

Tight (1–2)

2

Tightest radius

8 m

Corners per mile

6.7

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.