Vertical Curve Calculator — Free Online Tool
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Vertical Curve Calculator

Calculate parabolic vertical curves, high/low points, and elevations

Vertical Curve Standard: Parabolic vertical curve elevations are computed using initial grade ($g_1$), final grade ($g_2$), curve length ($L$), and PVC station/elevation.
Curve Parameters & Grades

Calculation Results

āš ļø Vertical curves must satisfy AASHTO sight distance criteria (stopping sight distance and passing sight distance) for safe highway and roadway design.

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