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reverse curve

an S -shaped curve, as on highways and railroad tracks, produced by the joining of two curves that turn in opposite directions. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for reverse curve
  • Also, be aware that trucks can experience resonance in a reverse curve.
  • Near the middle of the test track a narrow reverse curve segment of roadway connected the north and south sides of the test track.
  • The three signs showing a single reverse curve arrow have been deleted.

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