Question: An equal-tangent crest curve has been designed for 65 mph to connect grades of 1.5% and -2.1% for a new vehicle that has a

An equal-tangent crest curve has been designed for 65 mph to connect

An equal-tangent crest curve has been designed for 65 mph to connect grades of 1.5% and -2.1% for a new vehicle that has a 3 ft driver's eye height and to avoid an object located only 1 ft high. Standard practical stopping distance design standards were used except the acceleration was assumed to be 9 ft/sec2. If the PVT of the curve is at elevation 1000 ft and located at station 1000+75, what is the station and elevation of the high point of the curve?

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