A section of a two-lane highway (3.60 meter lanes) is designed for 120km/h. At one point a vertical curve connects a 2.5% and +1.5 % grade. The PVT of this curve is at station 100+000. It is known that a horizontal curve starts (has PC) 89.6

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Curve setting

A curve is a turn that is provided horizontally or vertically in the design of highways, railways, and runways. A curve connects two straight lines that are separated by the deflection angle. It helps to change the direction and alignment of the highways, railway tracks, and runways. Therefore, the gradual change in their alignment is made by using a curve to provide comfort to the passengers and this also provides an easy turn to change the direction of the moving vehicle.