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A vertical summit curve has tangent grades of +2.5% and -1.5% intersecting at station 12+460.12 at...

A vertical summit curve has tangent grades of +2.5% and -1.5% intersecting at station 12+460.12 at an elevation of 150m above sea level. If the length of the curve is 182m:

a. Compute the length of the passing sight distance.

b. Compute the stationing of the highest point of the curve.

c. Compute the elevation of the highest point of the curve.

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