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Horizontal Curves Definitions and Formulas
Horizontal Curve Formulas
$$L = 100\frac{I^{\circ}}{D^{\circ}}$$
$$L = RI_{\text{radians}}$$
$$L = \frac{RI 2 \pi}{360^{\circ}}$$
$$ R = \frac{5729.578}{D}$$
$$ T = R\tan\frac{I}{2}$$
$$ LC = 2R\sin\frac{I}{2}$$
$$ E = T\tan\frac{I}{4}$$
$$ M = E\cos\frac{I}{2}$$
