The locating engineer a railroad curve runs a 6⁰ curve to the PCC, 250m long from the PC of the compound curve, thence from the PCC, a 1⁰40’ curve was run towards to the PT 500m long. Determine the length of the long chord connecting the PC and PT. Use by chord basis

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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.