Two parallel tangents have directions of due east and are 200 m. apart, are connected by a reverse curve having equal radius of 800 m. The P.C. of the curve is on the upper tangent while the P.T. is at the lower tangent. If the horizontal distance parallel to the tangent from the P.C. to the P.T. of the reverse curve is 800 m. a. Compute the distance of the intermediate tangent between the curves. b. Compute the distance between the centers of the reversed curve. c. Compute the stationing of P.T. if sta. of the P.C. is 10 + 020.40.

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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.