Question: An equal - tangent crest vertical curve is being designed for a speed of 5 0 mph . The curve connects grades of 1 .

An equal-tangent crest vertical curve is being designed for a speed of 50 mph . The curve
connects grades of 1.4% and -3.6% in the direction of interest. The curve high point is at
station 110+30 and has an elevation of 241 ft . What is the station and elevation of the PVC
and the PVI?
An equal - tangent crest vertical curve is being

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