Two parallel roads 400 m. apart were to be connected by equal turnouts. The intermediate tangent is 400 m. and the radius of each curve is 1100 m. Find the distance between the center of each curve in meter. Find the central angle of the simple curve in decimal degrees. Find the length of turnouts from PC on the first road to PT on the second road in meter.

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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.