Vertical Curve Calculator

initial Roadway Grade (G1) : %
End Roadway Grade (G2) : %
Horizontal Length of Curve :
Vertical Curve Formula:

Vertical Curves are very important transition elements for highways. It provides a transition between two sloped roadways.

the parabolic formula for a vertical curve can be illustrated as:

Where:

epvc: elevation of the PVC

g1: Initial Roadway Grade (m/m)

g2: Final Roadway Grade (m/m)

L: Length of Curve (m)

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