Transition Curve
A curve in a length of railway track in which the entrance and exit to the curve are of larger radius of curvature than the centre of the curve.
Trap Points ...
Transition Curve
A curve that gradualy increases or decreases. Also called an easement.
Traveling Card ...
Transition Curve
A section of track with a gradually diminishing radius between the straight track and the circular portion of the curve.
Trestle ...
Track transition curve: The gradual application of superelevation and tighter curve radius, calculated with reference to the anticipated line speed and the final curve radius, on the approach to a bend.
 See also: Current, Track, Curve, Engine, Section
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