Vertical Curves

Spiral Geometry

Vertical Curves

Design Criteria

General Equation of a Vertical Parabolic Curve

Definitions

Equation of an Equal Tangent Vertical Parabolic Curve in Surveying Terminology

Vertical Curve Computation Using the Tangent offset Equation

Example

High or Low Points on a Curve

Designing a Curve to Pass Through a Fixed Point

Sight Distance

Safe Length of Crest Curve