Q. The curve having varying radii and introduced in between a straight and a circular curve is:

A
Vertical curve
B
Transition curve
C
Compound curve
D
Super elevation
Solution:

When a straight line and a curve is to be joined a transition curve is introduced in between them. A transition curve is a curve of constantly varying radius, used to join a circular arc to a straight line or to an arc of different curvature.

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