Definition of superelevation in English:

superelevation

Syllabification: su·per·el·e·va·tion
Pronunciation: /ˌso͞opərˌeləˈvāSHən
 
/

noun

  • The amount by which the outer edge of a curve on a road or railroad is banked above the inner edge.
    More example sentences
    • The LC.C. Accident Report assigns the accident to excessive speed on the curve, which had a limit of 20 mph, since it was a 12-1/2 degree curve with only three inches of superelevation.
    • Mr Gallagher, who is an experienced road construction supervisor, also highlighted a deficiency in the superelevation of the road (agreed by the council) at the site of the crash scene.
    • Okay, the superelevation wasn't that steep, but still…

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