🔄 Horizontal Curve Calculator

Calculate horizontal curve elements including stationing, tangents, and spiral transitions. Support for circular curves with complete geometric analysis.

Key formulas: Δ = L/R (radians), T = R × tan(Δ/2), E = R × (sec(Δ/2) - 1)

Horizontal Curve Inputs

Total deflection angle of the curve
Point of intersection station
Typical range: 0.10-0.20
Road banking percentage
Typical: 20m for detailed calculation

Results

Enter curve parameters to see complete horizontal curve analysis.