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Amtrak "Acela Express" passes through Harrison, NJ. On the southern leg of its journey, the train is limited to 6 inches of unbalanced superelevation. South of New York, curve speed is not as important as on the way to Boston.

© Bill Hough, used with permission. His email address is: a dotcom after yahoo, and the username is psa188

Unit conversion for text on this page.
6 inches unbalanced superelevation 152 mm unbalanced superelevation 1 m/s2 unbalanced lateral acceleration