External Distance in Highway and Road Formulas

External distance can be described as distance from point of intersection of tangents to midpoint of curve. And is denoted by E. External Distance is usually measured using the Meter for Length. Note that the value of External Distance is always negative.

Formulas to find External Distance in Highway and Road

fxExternal DistanceGo

Highway and Road formulas that make use of External Distance

fxRadius of Curve using External DistanceGo

List of variables in Highway and Road formulas

fx Radius of Circular Curve Go

fx Central Angle of Curve Go

FAQ

What is the External Distance?

External distance can be described as distance from point of intersection of tangents to midpoint of curve. External Distance is usually measured using the Meter for Length. Note that the value of External Distance is always negative.

Can the External Distance be negative?

Yes, the External Distance, measured in Length can be negative.

What unit is used to measure External Distance?

External Distance is usually measured using the Meter[m] for Length. Millimeter[m], Kilometer[m], Decimeter[m] are the few other units in which External Distance can be measured.

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